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Posted to hdfs-user@hadoop.apache.org by Automation Me <an...@gmail.com> on 2013/05/01 00:04:49 UTC
Re: New to Hadoop-SSH communication
Hi Tariq,
Master:
Users:
hduser hduser
hostname:
ubuntu
*etc/hosts*
127.0.0.1 localhost
127.0.1.1 ubuntu
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.1.1 master
127.0.0.2 slave
Slave Machine:
Etc/Hosts
127.0.0.1 localhost
127.0.1.1 ubuntu
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.1.1 master
127.0.0.2 slave
users:
hduser hduser
Hostname:
ubuntu
On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com> wrote:
> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
> -ubuntu hostname for all machines
>
> @Tariq i will send the hosts file and users of all the machines.
>
>
> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
> mitra.kaseebhotla@gmail.com> wrote:
>
>> Looks like you have just cloned/copied the same VMs. Change the hostname
>> of each:
>>
>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>
>>
>>
>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> Thank you Tariq.
>>>
>>> I am using the same username on both the machines and when i try to
>>> copy a file master to slave just to make sure SSH is working fine, The file
>>> is copying into master itself not an slave machine.
>>>
>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>
>>> Any suggestions...
>>>
>>>
>>> Thanks
>>> Annt
>>>
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>
>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>> either use same username on both the machines or add the IPs along with
>>>> proper user@hostname in /etc/hosts file.
>>>>
>>>> HTH
>>>>
>>>> Warm Regards,
>>>> Tariq
>>>> https://mtariq.jux.com/
>>>> cloudfront.blogspot.com
>>>>
>>>>
>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>
>>>>> My host file:
>>>>>
>>>>> 127.0.1.1 Master
>>>>> 127.0.1.2 Slave
>>>>>
>>>>> The following changes i made in two VM's
>>>>>
>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>
>>>>> on Master VM
>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>
>>>>> ssh-keygen -t rsa -P ""
>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>
>>>>> When i login into master and slave and check
>>>>>
>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>
>>>>>
>>>>> Could you assist me on this?
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>>
>> --
>> ________________________________________
>>
>> To Understand Recursion,
>> You must first Understand Recursion
>> ________________________________________
>>
>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
I am still not able to communicate between two Vm's. Changed the hostname
as Master and Slave.Copied the hostnames in master slave
etc/hosts.reinstalled SSH server.
But when i try to copy the file from master to slave its copying to the
master and not to the slave
scp -r /usr/local/hadoop/conf hduser@slave:/home/hduser/Downloads/Somethings
Master etc/hosts
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
Slave etc/hosts
#127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
am i missing anything..Thanks in advance..
On Tue, Apr 30, 2013 at 6:18 PM, Automation Me <an...@gmail.com> wrote:
> Thank you Mitra..I will change the hostname
>
>
> On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
> mitra.kaseebhotla@gmail.com> wrote:
>
>> and change the hostname to reflect your actual hostnames.
>>
>>
>>
>> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>
>>> comment out 127.0.1.1 ubuntu in both the machines.
>>>
>>> if it still doesn't work change 127.0.1.1 master to something else,
>>> like 127.0.0.3 or something.
>>>
>>> Warm Regards,
>>> Tariq
>>> https://mtariq.jux.com/
>>> cloudfront.blogspot.com
>>>
>>>
>>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Hi Tariq,
>>>>
>>>>
>>>> Master:
>>>>
>>>> Users:
>>>> hduser hduser
>>>>
>>>> hostname:
>>>> ubuntu
>>>>
>>>> *etc/hosts*
>>>>
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> Slave Machine:
>>>>
>>>> Etc/Hosts
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> users:
>>>> hduser hduser
>>>>
>>>> Hostname:
>>>>
>>>> ubuntu
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>>> -ubuntu hostname for all machines
>>>>>
>>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>>
>>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>>> hostname of each:
>>>>>>
>>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Thank you Tariq.
>>>>>>>
>>>>>>> I am using the same username on both the machines and when i try to
>>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>>> is copying into master itself not an slave machine.
>>>>>>>
>>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>>
>>>>>>> Any suggestions...
>>>>>>>
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>>
>>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>>
>>>>>>>> HTH
>>>>>>>>
>>>>>>>> Warm Regards,
>>>>>>>> Tariq
>>>>>>>> https://mtariq.jux.com/
>>>>>>>> cloudfront.blogspot.com
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <anautomate@gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>>
>>>>>>>>> My host file:
>>>>>>>>>
>>>>>>>>> 127.0.1.1 Master
>>>>>>>>> 127.0.1.2 Slave
>>>>>>>>>
>>>>>>>>> The following changes i made in two VM's
>>>>>>>>>
>>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>>
>>>>>>>>> on Master VM
>>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>>
>>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>>
>>>>>>>>> When i login into master and slave and check
>>>>>>>>>
>>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Could you assist me on this?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> Annt
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ________________________________________
>>>>>>
>>>>>> To Understand Recursion,
>>>>>> You must first Understand Recursion
>>>>>> ________________________________________
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>>
>> --
>> ________________________________________
>>
>> To Understand Recursion,
>> You must first Understand Recursion
>> ________________________________________
>>
>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
I am still not able to communicate between two Vm's. Changed the hostname
as Master and Slave.Copied the hostnames in master slave
etc/hosts.reinstalled SSH server.
But when i try to copy the file from master to slave its copying to the
master and not to the slave
scp -r /usr/local/hadoop/conf hduser@slave:/home/hduser/Downloads/Somethings
Master etc/hosts
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
Slave etc/hosts
#127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
am i missing anything..Thanks in advance..
On Tue, Apr 30, 2013 at 6:18 PM, Automation Me <an...@gmail.com> wrote:
> Thank you Mitra..I will change the hostname
>
>
> On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
> mitra.kaseebhotla@gmail.com> wrote:
>
>> and change the hostname to reflect your actual hostnames.
>>
>>
>>
>> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>
>>> comment out 127.0.1.1 ubuntu in both the machines.
>>>
>>> if it still doesn't work change 127.0.1.1 master to something else,
>>> like 127.0.0.3 or something.
>>>
>>> Warm Regards,
>>> Tariq
>>> https://mtariq.jux.com/
>>> cloudfront.blogspot.com
>>>
>>>
>>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Hi Tariq,
>>>>
>>>>
>>>> Master:
>>>>
>>>> Users:
>>>> hduser hduser
>>>>
>>>> hostname:
>>>> ubuntu
>>>>
>>>> *etc/hosts*
>>>>
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> Slave Machine:
>>>>
>>>> Etc/Hosts
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> users:
>>>> hduser hduser
>>>>
>>>> Hostname:
>>>>
>>>> ubuntu
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>>> -ubuntu hostname for all machines
>>>>>
>>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>>
>>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>>> hostname of each:
>>>>>>
>>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Thank you Tariq.
>>>>>>>
>>>>>>> I am using the same username on both the machines and when i try to
>>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>>> is copying into master itself not an slave machine.
>>>>>>>
>>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>>
>>>>>>> Any suggestions...
>>>>>>>
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>>
>>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>>
>>>>>>>> HTH
>>>>>>>>
>>>>>>>> Warm Regards,
>>>>>>>> Tariq
>>>>>>>> https://mtariq.jux.com/
>>>>>>>> cloudfront.blogspot.com
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <anautomate@gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>>
>>>>>>>>> My host file:
>>>>>>>>>
>>>>>>>>> 127.0.1.1 Master
>>>>>>>>> 127.0.1.2 Slave
>>>>>>>>>
>>>>>>>>> The following changes i made in two VM's
>>>>>>>>>
>>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>>
>>>>>>>>> on Master VM
>>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>>
>>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>>
>>>>>>>>> When i login into master and slave and check
>>>>>>>>>
>>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Could you assist me on this?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> Annt
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ________________________________________
>>>>>>
>>>>>> To Understand Recursion,
>>>>>> You must first Understand Recursion
>>>>>> ________________________________________
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>>
>> --
>> ________________________________________
>>
>> To Understand Recursion,
>> You must first Understand Recursion
>> ________________________________________
>>
>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
I am still not able to communicate between two Vm's. Changed the hostname
as Master and Slave.Copied the hostnames in master slave
etc/hosts.reinstalled SSH server.
But when i try to copy the file from master to slave its copying to the
master and not to the slave
scp -r /usr/local/hadoop/conf hduser@slave:/home/hduser/Downloads/Somethings
Master etc/hosts
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
Slave etc/hosts
#127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
am i missing anything..Thanks in advance..
On Tue, Apr 30, 2013 at 6:18 PM, Automation Me <an...@gmail.com> wrote:
> Thank you Mitra..I will change the hostname
>
>
> On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
> mitra.kaseebhotla@gmail.com> wrote:
>
>> and change the hostname to reflect your actual hostnames.
>>
>>
>>
>> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>
>>> comment out 127.0.1.1 ubuntu in both the machines.
>>>
>>> if it still doesn't work change 127.0.1.1 master to something else,
>>> like 127.0.0.3 or something.
>>>
>>> Warm Regards,
>>> Tariq
>>> https://mtariq.jux.com/
>>> cloudfront.blogspot.com
>>>
>>>
>>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Hi Tariq,
>>>>
>>>>
>>>> Master:
>>>>
>>>> Users:
>>>> hduser hduser
>>>>
>>>> hostname:
>>>> ubuntu
>>>>
>>>> *etc/hosts*
>>>>
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> Slave Machine:
>>>>
>>>> Etc/Hosts
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> users:
>>>> hduser hduser
>>>>
>>>> Hostname:
>>>>
>>>> ubuntu
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>>> -ubuntu hostname for all machines
>>>>>
>>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>>
>>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>>> hostname of each:
>>>>>>
>>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Thank you Tariq.
>>>>>>>
>>>>>>> I am using the same username on both the machines and when i try to
>>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>>> is copying into master itself not an slave machine.
>>>>>>>
>>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>>
>>>>>>> Any suggestions...
>>>>>>>
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>>
>>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>>
>>>>>>>> HTH
>>>>>>>>
>>>>>>>> Warm Regards,
>>>>>>>> Tariq
>>>>>>>> https://mtariq.jux.com/
>>>>>>>> cloudfront.blogspot.com
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <anautomate@gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>>
>>>>>>>>> My host file:
>>>>>>>>>
>>>>>>>>> 127.0.1.1 Master
>>>>>>>>> 127.0.1.2 Slave
>>>>>>>>>
>>>>>>>>> The following changes i made in two VM's
>>>>>>>>>
>>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>>
>>>>>>>>> on Master VM
>>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>>
>>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>>
>>>>>>>>> When i login into master and slave and check
>>>>>>>>>
>>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Could you assist me on this?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> Annt
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ________________________________________
>>>>>>
>>>>>> To Understand Recursion,
>>>>>> You must first Understand Recursion
>>>>>> ________________________________________
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>>
>> --
>> ________________________________________
>>
>> To Understand Recursion,
>> You must first Understand Recursion
>> ________________________________________
>>
>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
I am still not able to communicate between two Vm's. Changed the hostname
as Master and Slave.Copied the hostnames in master slave
etc/hosts.reinstalled SSH server.
But when i try to copy the file from master to slave its copying to the
master and not to the slave
scp -r /usr/local/hadoop/conf hduser@slave:/home/hduser/Downloads/Somethings
Master etc/hosts
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
Slave etc/hosts
#127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
127.0.0.2 slave
127.0.0.3 master
am i missing anything..Thanks in advance..
On Tue, Apr 30, 2013 at 6:18 PM, Automation Me <an...@gmail.com> wrote:
> Thank you Mitra..I will change the hostname
>
>
> On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
> mitra.kaseebhotla@gmail.com> wrote:
>
>> and change the hostname to reflect your actual hostnames.
>>
>>
>>
>> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>
>>> comment out 127.0.1.1 ubuntu in both the machines.
>>>
>>> if it still doesn't work change 127.0.1.1 master to something else,
>>> like 127.0.0.3 or something.
>>>
>>> Warm Regards,
>>> Tariq
>>> https://mtariq.jux.com/
>>> cloudfront.blogspot.com
>>>
>>>
>>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Hi Tariq,
>>>>
>>>>
>>>> Master:
>>>>
>>>> Users:
>>>> hduser hduser
>>>>
>>>> hostname:
>>>> ubuntu
>>>>
>>>> *etc/hosts*
>>>>
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> Slave Machine:
>>>>
>>>> Etc/Hosts
>>>> 127.0.0.1 localhost
>>>> 127.0.1.1 ubuntu
>>>>
>>>> # The following lines are desirable for IPv6 capable hosts
>>>> ::1 ip6-localhost ip6-loopback
>>>> fe00::0 ip6-localnet
>>>> ff00::0 ip6-mcastprefix
>>>> ff02::1 ip6-allnodes
>>>> ff02::2 ip6-allrouters
>>>>
>>>>
>>>> 127.0.1.1 master
>>>> 127.0.0.2 slave
>>>>
>>>>
>>>> users:
>>>> hduser hduser
>>>>
>>>> Hostname:
>>>>
>>>> ubuntu
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>>> -ubuntu hostname for all machines
>>>>>
>>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>>
>>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>>> hostname of each:
>>>>>>
>>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Thank you Tariq.
>>>>>>>
>>>>>>> I am using the same username on both the machines and when i try to
>>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>>> is copying into master itself not an slave machine.
>>>>>>>
>>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>>
>>>>>>> Any suggestions...
>>>>>>>
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>>
>>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>>
>>>>>>>> HTH
>>>>>>>>
>>>>>>>> Warm Regards,
>>>>>>>> Tariq
>>>>>>>> https://mtariq.jux.com/
>>>>>>>> cloudfront.blogspot.com
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <anautomate@gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>>
>>>>>>>>> My host file:
>>>>>>>>>
>>>>>>>>> 127.0.1.1 Master
>>>>>>>>> 127.0.1.2 Slave
>>>>>>>>>
>>>>>>>>> The following changes i made in two VM's
>>>>>>>>>
>>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>>
>>>>>>>>> on Master VM
>>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>>
>>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>>
>>>>>>>>> When i login into master and slave and check
>>>>>>>>>
>>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Could you assist me on this?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> Annt
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ________________________________________
>>>>>>
>>>>>> To Understand Recursion,
>>>>>> You must first Understand Recursion
>>>>>> ________________________________________
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>>
>> --
>> ________________________________________
>>
>> To Understand Recursion,
>> You must first Understand Recursion
>> ________________________________________
>>
>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Mitra..I will change the hostname
On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
mitra.kaseebhotla@gmail.com> wrote:
> and change the hostname to reflect your actual hostnames.
>
>
>
> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>
>> comment out 127.0.1.1 ubuntu in both the machines.
>>
>> if it still doesn't work change 127.0.1.1 master to something else,
>> like 127.0.0.3 or something.
>>
>> Warm Regards,
>> Tariq
>> https://mtariq.jux.com/
>> cloudfront.blogspot.com
>>
>>
>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>
>>> Hi Tariq,
>>>
>>>
>>> Master:
>>>
>>> Users:
>>> hduser hduser
>>>
>>> hostname:
>>> ubuntu
>>>
>>> *etc/hosts*
>>>
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> Slave Machine:
>>>
>>> Etc/Hosts
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> users:
>>> hduser hduser
>>>
>>> Hostname:
>>>
>>> ubuntu
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>> -ubuntu hostname for all machines
>>>>
>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>
>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>> hostname of each:
>>>>>
>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Thank you Tariq.
>>>>>>
>>>>>> I am using the same username on both the machines and when i try to
>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>> is copying into master itself not an slave machine.
>>>>>>
>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>
>>>>>> Any suggestions...
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>
>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>
>>>>>>> HTH
>>>>>>>
>>>>>>> Warm Regards,
>>>>>>> Tariq
>>>>>>> https://mtariq.jux.com/
>>>>>>> cloudfront.blogspot.com
>>>>>>>
>>>>>>>
>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>
>>>>>>>> My host file:
>>>>>>>>
>>>>>>>> 127.0.1.1 Master
>>>>>>>> 127.0.1.2 Slave
>>>>>>>>
>>>>>>>> The following changes i made in two VM's
>>>>>>>>
>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>
>>>>>>>> on Master VM
>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>
>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>
>>>>>>>> When i login into master and slave and check
>>>>>>>>
>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>
>>>>>>>>
>>>>>>>> Could you assist me on this?
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Annt
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ________________________________________
>>>>>
>>>>> To Understand Recursion,
>>>>> You must first Understand Recursion
>>>>> ________________________________________
>>>>>
>>>>
>>>>
>>>
>>
>
>
> --
> ________________________________________
>
> To Understand Recursion,
> You must first Understand Recursion
> ________________________________________
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Mitra..I will change the hostname
On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
mitra.kaseebhotla@gmail.com> wrote:
> and change the hostname to reflect your actual hostnames.
>
>
>
> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>
>> comment out 127.0.1.1 ubuntu in both the machines.
>>
>> if it still doesn't work change 127.0.1.1 master to something else,
>> like 127.0.0.3 or something.
>>
>> Warm Regards,
>> Tariq
>> https://mtariq.jux.com/
>> cloudfront.blogspot.com
>>
>>
>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>
>>> Hi Tariq,
>>>
>>>
>>> Master:
>>>
>>> Users:
>>> hduser hduser
>>>
>>> hostname:
>>> ubuntu
>>>
>>> *etc/hosts*
>>>
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> Slave Machine:
>>>
>>> Etc/Hosts
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> users:
>>> hduser hduser
>>>
>>> Hostname:
>>>
>>> ubuntu
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>> -ubuntu hostname for all machines
>>>>
>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>
>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>> hostname of each:
>>>>>
>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Thank you Tariq.
>>>>>>
>>>>>> I am using the same username on both the machines and when i try to
>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>> is copying into master itself not an slave machine.
>>>>>>
>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>
>>>>>> Any suggestions...
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>
>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>
>>>>>>> HTH
>>>>>>>
>>>>>>> Warm Regards,
>>>>>>> Tariq
>>>>>>> https://mtariq.jux.com/
>>>>>>> cloudfront.blogspot.com
>>>>>>>
>>>>>>>
>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>
>>>>>>>> My host file:
>>>>>>>>
>>>>>>>> 127.0.1.1 Master
>>>>>>>> 127.0.1.2 Slave
>>>>>>>>
>>>>>>>> The following changes i made in two VM's
>>>>>>>>
>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>
>>>>>>>> on Master VM
>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>
>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>
>>>>>>>> When i login into master and slave and check
>>>>>>>>
>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>
>>>>>>>>
>>>>>>>> Could you assist me on this?
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Annt
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ________________________________________
>>>>>
>>>>> To Understand Recursion,
>>>>> You must first Understand Recursion
>>>>> ________________________________________
>>>>>
>>>>
>>>>
>>>
>>
>
>
> --
> ________________________________________
>
> To Understand Recursion,
> You must first Understand Recursion
> ________________________________________
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Mitra..I will change the hostname
On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
mitra.kaseebhotla@gmail.com> wrote:
> and change the hostname to reflect your actual hostnames.
>
>
>
> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>
>> comment out 127.0.1.1 ubuntu in both the machines.
>>
>> if it still doesn't work change 127.0.1.1 master to something else,
>> like 127.0.0.3 or something.
>>
>> Warm Regards,
>> Tariq
>> https://mtariq.jux.com/
>> cloudfront.blogspot.com
>>
>>
>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>
>>> Hi Tariq,
>>>
>>>
>>> Master:
>>>
>>> Users:
>>> hduser hduser
>>>
>>> hostname:
>>> ubuntu
>>>
>>> *etc/hosts*
>>>
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> Slave Machine:
>>>
>>> Etc/Hosts
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> users:
>>> hduser hduser
>>>
>>> Hostname:
>>>
>>> ubuntu
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>> -ubuntu hostname for all machines
>>>>
>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>
>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>> hostname of each:
>>>>>
>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Thank you Tariq.
>>>>>>
>>>>>> I am using the same username on both the machines and when i try to
>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>> is copying into master itself not an slave machine.
>>>>>>
>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>
>>>>>> Any suggestions...
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>
>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>
>>>>>>> HTH
>>>>>>>
>>>>>>> Warm Regards,
>>>>>>> Tariq
>>>>>>> https://mtariq.jux.com/
>>>>>>> cloudfront.blogspot.com
>>>>>>>
>>>>>>>
>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>
>>>>>>>> My host file:
>>>>>>>>
>>>>>>>> 127.0.1.1 Master
>>>>>>>> 127.0.1.2 Slave
>>>>>>>>
>>>>>>>> The following changes i made in two VM's
>>>>>>>>
>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>
>>>>>>>> on Master VM
>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>
>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>
>>>>>>>> When i login into master and slave and check
>>>>>>>>
>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>
>>>>>>>>
>>>>>>>> Could you assist me on this?
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Annt
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ________________________________________
>>>>>
>>>>> To Understand Recursion,
>>>>> You must first Understand Recursion
>>>>> ________________________________________
>>>>>
>>>>
>>>>
>>>
>>
>
>
> --
> ________________________________________
>
> To Understand Recursion,
> You must first Understand Recursion
> ________________________________________
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Mitra..I will change the hostname
On Tue, Apr 30, 2013 at 6:16 PM, Mitra Kaseebhotla <
mitra.kaseebhotla@gmail.com> wrote:
> and change the hostname to reflect your actual hostnames.
>
>
>
> On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>
>> comment out 127.0.1.1 ubuntu in both the machines.
>>
>> if it still doesn't work change 127.0.1.1 master to something else,
>> like 127.0.0.3 or something.
>>
>> Warm Regards,
>> Tariq
>> https://mtariq.jux.com/
>> cloudfront.blogspot.com
>>
>>
>> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>>
>>> Hi Tariq,
>>>
>>>
>>> Master:
>>>
>>> Users:
>>> hduser hduser
>>>
>>> hostname:
>>> ubuntu
>>>
>>> *etc/hosts*
>>>
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> Slave Machine:
>>>
>>> Etc/Hosts
>>> 127.0.0.1 localhost
>>> 127.0.1.1 ubuntu
>>>
>>> # The following lines are desirable for IPv6 capable hosts
>>> ::1 ip6-localhost ip6-loopback
>>> fe00::0 ip6-localnet
>>> ff00::0 ip6-mcastprefix
>>> ff02::1 ip6-allnodes
>>> ff02::2 ip6-allrouters
>>>
>>>
>>> 127.0.1.1 master
>>> 127.0.0.2 slave
>>>
>>>
>>> users:
>>> hduser hduser
>>>
>>> Hostname:
>>>
>>> ubuntu
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>>> -ubuntu hostname for all machines
>>>>
>>>> @Tariq i will send the hosts file and users of all the machines.
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>>> mitra.kaseebhotla@gmail.com> wrote:
>>>>
>>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>>> hostname of each:
>>>>>
>>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Thank you Tariq.
>>>>>>
>>>>>> I am using the same username on both the machines and when i try to
>>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>>> is copying into master itself not an slave machine.
>>>>>>
>>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>>
>>>>>> Any suggestions...
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>>
>>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>>> either use same username on both the machines or add the IPs along with
>>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>>
>>>>>>> HTH
>>>>>>>
>>>>>>> Warm Regards,
>>>>>>> Tariq
>>>>>>> https://mtariq.jux.com/
>>>>>>> cloudfront.blogspot.com
>>>>>>>
>>>>>>>
>>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I am new to Hadoop and trying to install multinode cluster on
>>>>>>>> ubuntu VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>>
>>>>>>>> My host file:
>>>>>>>>
>>>>>>>> 127.0.1.1 Master
>>>>>>>> 127.0.1.2 Slave
>>>>>>>>
>>>>>>>> The following changes i made in two VM's
>>>>>>>>
>>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>>
>>>>>>>> on Master VM
>>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>>
>>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>>
>>>>>>>> When i login into master and slave and check
>>>>>>>>
>>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>>
>>>>>>>>
>>>>>>>> Could you assist me on this?
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Annt
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ________________________________________
>>>>>
>>>>> To Understand Recursion,
>>>>> You must first Understand Recursion
>>>>> ________________________________________
>>>>>
>>>>
>>>>
>>>
>>
>
>
> --
> ________________________________________
>
> To Understand Recursion,
> You must first Understand Recursion
> ________________________________________
>
Re: New to Hadoop-SSH communication
Posted by Mitra Kaseebhotla <mi...@gmail.com>.
and change the hostname to reflect your actual hostnames.
On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
--
________________________________________
To Understand Recursion,
You must first Understand Recursion
________________________________________
Re: New to Hadoop-SSH communication
Posted by Mitra Kaseebhotla <mi...@gmail.com>.
and change the hostname to reflect your actual hostnames.
On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
--
________________________________________
To Understand Recursion,
You must first Understand Recursion
________________________________________
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Tariq. I will try that...
On Tue, Apr 30, 2013 at 6:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Tariq. I will try that...
On Tue, Apr 30, 2013 at 6:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Tariq. I will try that...
On Tue, Apr 30, 2013 at 6:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Mitra Kaseebhotla <mi...@gmail.com>.
and change the hostname to reflect your actual hostnames.
On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
--
________________________________________
To Understand Recursion,
You must first Understand Recursion
________________________________________
Re: New to Hadoop-SSH communication
Posted by Automation Me <an...@gmail.com>.
Thank you Tariq. I will try that...
On Tue, Apr 30, 2013 at 6:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Mitra Kaseebhotla <mi...@gmail.com>.
and change the hostname to reflect your actual hostnames.
On Tue, Apr 30, 2013 at 3:14 PM, Mohammad Tariq <do...@gmail.com> wrote:
> comment out 127.0.1.1 ubuntu in both the machines.
>
> if it still doesn't work change 127.0.1.1 master to something else,
> like 127.0.0.3 or something.
>
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
>
>
> On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com>wrote:
>
>> Hi Tariq,
>>
>>
>> Master:
>>
>> Users:
>> hduser hduser
>>
>> hostname:
>> ubuntu
>>
>> *etc/hosts*
>>
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> Slave Machine:
>>
>> Etc/Hosts
>> 127.0.0.1 localhost
>> 127.0.1.1 ubuntu
>>
>> # The following lines are desirable for IPv6 capable hosts
>> ::1 ip6-localhost ip6-loopback
>> fe00::0 ip6-localnet
>> ff00::0 ip6-mcastprefix
>> ff02::1 ip6-allnodes
>> ff02::2 ip6-allrouters
>>
>>
>> 127.0.1.1 master
>> 127.0.0.2 slave
>>
>>
>> users:
>> hduser hduser
>>
>> Hostname:
>>
>> ubuntu
>>
>>
>> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>>
>>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>>> -ubuntu hostname for all machines
>>>
>>> @Tariq i will send the hosts file and users of all the machines.
>>>
>>>
>>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>>> mitra.kaseebhotla@gmail.com> wrote:
>>>
>>>> Looks like you have just cloned/copied the same VMs. Change the
>>>> hostname of each:
>>>>
>>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>>
>>>>> Thank you Tariq.
>>>>>
>>>>> I am using the same username on both the machines and when i try to
>>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>>> is copying into master itself not an slave machine.
>>>>>
>>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>>
>>>>> Any suggestions...
>>>>>
>>>>>
>>>>> Thanks
>>>>> Annt
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>>
>>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>>> either use same username on both the machines or add the IPs along with
>>>>>> proper user@hostname in /etc/hosts file.
>>>>>>
>>>>>> HTH
>>>>>>
>>>>>> Warm Regards,
>>>>>> Tariq
>>>>>> https://mtariq.jux.com/
>>>>>> cloudfront.blogspot.com
>>>>>>
>>>>>>
>>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>>
>>>>>>> My host file:
>>>>>>>
>>>>>>> 127.0.1.1 Master
>>>>>>> 127.0.1.2 Slave
>>>>>>>
>>>>>>> The following changes i made in two VM's
>>>>>>>
>>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>>
>>>>>>> on Master VM
>>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>>
>>>>>>> ssh-keygen -t rsa -P ""
>>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>>
>>>>>>> When i login into master and slave and check
>>>>>>>
>>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>>
>>>>>>>
>>>>>>> Could you assist me on this?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Annt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ________________________________________
>>>>
>>>> To Understand Recursion,
>>>> You must first Understand Recursion
>>>> ________________________________________
>>>>
>>>
>>>
>>
>
--
________________________________________
To Understand Recursion,
You must first Understand Recursion
________________________________________
Re: New to Hadoop-SSH communication
Posted by Mohammad Tariq <do...@gmail.com>.
comment out 127.0.1.1 ubuntu in both the machines.
if it still doesn't work change 127.0.1.1 master to something else, like
127.0.0.3 or something.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com> wrote:
> Hi Tariq,
>
>
> Master:
>
> Users:
> hduser hduser
>
> hostname:
> ubuntu
>
> *etc/hosts*
>
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> Slave Machine:
>
> Etc/Hosts
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> users:
> hduser hduser
>
> Hostname:
>
> ubuntu
>
>
> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>
>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>> -ubuntu hostname for all machines
>>
>> @Tariq i will send the hosts file and users of all the machines.
>>
>>
>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>> mitra.kaseebhotla@gmail.com> wrote:
>>
>>> Looks like you have just cloned/copied the same VMs. Change the hostname
>>> of each:
>>>
>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>
>>>
>>>
>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Thank you Tariq.
>>>>
>>>> I am using the same username on both the machines and when i try to
>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>> is copying into master itself not an slave machine.
>>>>
>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>
>>>> Any suggestions...
>>>>
>>>>
>>>> Thanks
>>>> Annt
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>
>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>> either use same username on both the machines or add the IPs along with
>>>>> proper user@hostname in /etc/hosts file.
>>>>>
>>>>> HTH
>>>>>
>>>>> Warm Regards,
>>>>> Tariq
>>>>> https://mtariq.jux.com/
>>>>> cloudfront.blogspot.com
>>>>>
>>>>>
>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>
>>>>>> My host file:
>>>>>>
>>>>>> 127.0.1.1 Master
>>>>>> 127.0.1.2 Slave
>>>>>>
>>>>>> The following changes i made in two VM's
>>>>>>
>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>
>>>>>> on Master VM
>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>
>>>>>> ssh-keygen -t rsa -P ""
>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>
>>>>>> When i login into master and slave and check
>>>>>>
>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>
>>>>>>
>>>>>> Could you assist me on this?
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> ________________________________________
>>>
>>> To Understand Recursion,
>>> You must first Understand Recursion
>>> ________________________________________
>>>
>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Mohammad Tariq <do...@gmail.com>.
comment out 127.0.1.1 ubuntu in both the machines.
if it still doesn't work change 127.0.1.1 master to something else, like
127.0.0.3 or something.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com> wrote:
> Hi Tariq,
>
>
> Master:
>
> Users:
> hduser hduser
>
> hostname:
> ubuntu
>
> *etc/hosts*
>
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> Slave Machine:
>
> Etc/Hosts
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> users:
> hduser hduser
>
> Hostname:
>
> ubuntu
>
>
> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>
>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>> -ubuntu hostname for all machines
>>
>> @Tariq i will send the hosts file and users of all the machines.
>>
>>
>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>> mitra.kaseebhotla@gmail.com> wrote:
>>
>>> Looks like you have just cloned/copied the same VMs. Change the hostname
>>> of each:
>>>
>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>
>>>
>>>
>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Thank you Tariq.
>>>>
>>>> I am using the same username on both the machines and when i try to
>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>> is copying into master itself not an slave machine.
>>>>
>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>
>>>> Any suggestions...
>>>>
>>>>
>>>> Thanks
>>>> Annt
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>
>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>> either use same username on both the machines or add the IPs along with
>>>>> proper user@hostname in /etc/hosts file.
>>>>>
>>>>> HTH
>>>>>
>>>>> Warm Regards,
>>>>> Tariq
>>>>> https://mtariq.jux.com/
>>>>> cloudfront.blogspot.com
>>>>>
>>>>>
>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>
>>>>>> My host file:
>>>>>>
>>>>>> 127.0.1.1 Master
>>>>>> 127.0.1.2 Slave
>>>>>>
>>>>>> The following changes i made in two VM's
>>>>>>
>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>
>>>>>> on Master VM
>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>
>>>>>> ssh-keygen -t rsa -P ""
>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>
>>>>>> When i login into master and slave and check
>>>>>>
>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>
>>>>>>
>>>>>> Could you assist me on this?
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> ________________________________________
>>>
>>> To Understand Recursion,
>>> You must first Understand Recursion
>>> ________________________________________
>>>
>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Mohammad Tariq <do...@gmail.com>.
comment out 127.0.1.1 ubuntu in both the machines.
if it still doesn't work change 127.0.1.1 master to something else, like
127.0.0.3 or something.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com> wrote:
> Hi Tariq,
>
>
> Master:
>
> Users:
> hduser hduser
>
> hostname:
> ubuntu
>
> *etc/hosts*
>
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> Slave Machine:
>
> Etc/Hosts
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> users:
> hduser hduser
>
> Hostname:
>
> ubuntu
>
>
> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>
>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>> -ubuntu hostname for all machines
>>
>> @Tariq i will send the hosts file and users of all the machines.
>>
>>
>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>> mitra.kaseebhotla@gmail.com> wrote:
>>
>>> Looks like you have just cloned/copied the same VMs. Change the hostname
>>> of each:
>>>
>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>
>>>
>>>
>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Thank you Tariq.
>>>>
>>>> I am using the same username on both the machines and when i try to
>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>> is copying into master itself not an slave machine.
>>>>
>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>
>>>> Any suggestions...
>>>>
>>>>
>>>> Thanks
>>>> Annt
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>
>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>> either use same username on both the machines or add the IPs along with
>>>>> proper user@hostname in /etc/hosts file.
>>>>>
>>>>> HTH
>>>>>
>>>>> Warm Regards,
>>>>> Tariq
>>>>> https://mtariq.jux.com/
>>>>> cloudfront.blogspot.com
>>>>>
>>>>>
>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>
>>>>>> My host file:
>>>>>>
>>>>>> 127.0.1.1 Master
>>>>>> 127.0.1.2 Slave
>>>>>>
>>>>>> The following changes i made in two VM's
>>>>>>
>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>
>>>>>> on Master VM
>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>
>>>>>> ssh-keygen -t rsa -P ""
>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>
>>>>>> When i login into master and slave and check
>>>>>>
>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>
>>>>>>
>>>>>> Could you assist me on this?
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> ________________________________________
>>>
>>> To Understand Recursion,
>>> You must first Understand Recursion
>>> ________________________________________
>>>
>>
>>
>
Re: New to Hadoop-SSH communication
Posted by Mohammad Tariq <do...@gmail.com>.
comment out 127.0.1.1 ubuntu in both the machines.
if it still doesn't work change 127.0.1.1 master to something else, like
127.0.0.3 or something.
Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Wed, May 1, 2013 at 3:34 AM, Automation Me <an...@gmail.com> wrote:
> Hi Tariq,
>
>
> Master:
>
> Users:
> hduser hduser
>
> hostname:
> ubuntu
>
> *etc/hosts*
>
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> Slave Machine:
>
> Etc/Hosts
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
>
> 127.0.1.1 master
> 127.0.0.2 slave
>
>
> users:
> hduser hduser
>
> Hostname:
>
> ubuntu
>
>
> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <an...@gmail.com>wrote:
>
>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>> -ubuntu hostname for all machines
>>
>> @Tariq i will send the hosts file and users of all the machines.
>>
>>
>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>> mitra.kaseebhotla@gmail.com> wrote:
>>
>>> Looks like you have just cloned/copied the same VMs. Change the hostname
>>> of each:
>>>
>>> http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart
>>>
>>>
>>>
>>> On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <an...@gmail.com>wrote:
>>>
>>>> Thank you Tariq.
>>>>
>>>> I am using the same username on both the machines and when i try to
>>>> copy a file master to slave just to make sure SSH is working fine, The file
>>>> is copying into master itself not an slave machine.
>>>>
>>>> scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>>>>
>>>> Any suggestions...
>>>>
>>>>
>>>> Thanks
>>>> Annt
>>>>
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <do...@gmail.com>wrote:
>>>>
>>>>> ssh is actually *user@some_machine *to *user@some_other_machine*.
>>>>> either use same username on both the machines or add the IPs along with
>>>>> proper user@hostname in /etc/hosts file.
>>>>>
>>>>> HTH
>>>>>
>>>>> Warm Regards,
>>>>> Tariq
>>>>> https://mtariq.jux.com/
>>>>> cloudfront.blogspot.com
>>>>>
>>>>>
>>>>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <an...@gmail.com>wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>>>>> VM's.I am not able to communicate between two clusters using SSH.
>>>>>>
>>>>>> My host file:
>>>>>>
>>>>>> 127.0.1.1 Master
>>>>>> 127.0.1.2 Slave
>>>>>>
>>>>>> The following changes i made in two VM's
>>>>>>
>>>>>> 1.Updated the etc/hosts file in two vm's
>>>>>>
>>>>>> on Master VM
>>>>>> i did SSH keygen and trying to copy the key into Slave
>>>>>>
>>>>>> ssh-keygen -t rsa -P ""
>>>>>> cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>>>> ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>>>>
>>>>>> When i login into master and slave and check
>>>>>>
>>>>>> master@ubuntu>Hostname it says UBUNTU
>>>>>> slave@ubuntu>Hostname it says UBUNTU
>>>>>>
>>>>>>
>>>>>> Could you assist me on this?
>>>>>>
>>>>>> Thanks
>>>>>> Annt
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> ________________________________________
>>>
>>> To Understand Recursion,
>>> You must first Understand Recursion
>>> ________________________________________
>>>
>>
>>
>