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Posted to users@cloudstack.apache.org by Granwille Strauss <gr...@namhost.com.INVALID> on 2022/12/05 10:53:48 UTC
Re: Console View Not Working
Hi Guys
Just a quick question, when specifying your console domain in the
general settings, you need to add an A record to said domains DNS zone
to *point to the CCVM public IP*, for it to be accessible and for SSL to
work accordingly. Now if you have more than one CCVM because you have
multiple zones, should you update the DNS A record to include the
additional CCVMs public IPs too? Or is having only one enough?
On 11/21/22 14:23, Granwille Strauss wrote:
>
> Hi Nicolas
>
> On my working zone it shows the same:
>
>> root@v-47-VM:~# telnet public_ip 5900
>> Trying kvm_public_ip...
>> Connected to 41.72.146.218.
>> Escape character is '^]'.
>> RFB 003.008
>
> Both my kvm hosts have the same qemu/libvirt versions too. The issue
> seems to boil down to my routing. I tested other telnet ports such as
> 53 and 80 etc the all come back with no route error.
>
> My existing zone, the one working is fully connected using public IP
> addresses and zero private networking subnets. I created a new zone to
> reconfigure my set up this time using private subnets, since its
> recommended that way. I created a backlink connection between my three
> hosts on the same private VLAN. But it turns out my private backlink
> connection cannot reach the public network. So I now had to configure
> a gateway myself and its supposed to route network from my private
> subnets to the internet such as a ping to 1.1.1.1.
>
> I believe this configuration might be the reason, because as soon as I
> turn off the firewall "gateway" I can telnet successfully from the
> cpvm but then the agents disconnects because if cannot reach the
> public network.
>
> On 11/21/22 14:01, Nicolas Vazquez wrote:
>> Hi Granwille,
>>
>> I see the RFB version offered by the VNC server is 3.8, and the CPVM currently can handle up to 3.3. Can you compare on your working zone the output of the telnet to a VNC working port? Is there any difference on the qemu/libvirt configurations on the hosts from each zone?
>>
>> Regards,
>> Nicolas Vazquez
>>
>>
>> From: Granwille Strauss<gr...@namhost.com.INVALID>
>> Date: Monday, 21 November 2022 at 08:20
>> To: Nux<nu...@li.nux.ro>
>> Cc:users@cloudstack.apache.org <us...@cloudstack.apache.org>
>> Subject: Re: Console View Not Working
>>
>> Hi
>>
>> Its running on the KVM server:
>> root@hostname ~ $ grep -w 5900 /etc/services
>> rfb 5900/tcp # Remote Framebuffer
>> rfb 5900/udp # Remote Framebuffer
>> root@hostname ~ $
>>
>> I stopped the firewall and was able to connect to the VNC service from the cpvm:
>> root@v-78-VM:~# telnet 192.168.50.3 5900
>> Trying 192.168.50.3...
>> Connected to 192.168.50.3.
>> Escape character is '^]'.
>> RFB 003.008
>>
>> Thank you, this helps a lot. I am going to see if white listing some rules might work. And see if it works after testing.
>> On 11/21/22 13:02, Nux wrote:
>>
>> Networking can get tricky, especially if you want to be too smart about it, it will bite back.
>>
>> Anyway, VNC port 5900, is that even listening on the hypervisor, what is ss/netstat saying?
>>
>> Try to find an existing port to test against. If that fails check/disable the firewall on the hypervisor or on any firewall device between management server and hypervisor.
>> ---
>> Nux
>> www.nux.ro<http://www.nux.ro>
>>
>>
>>
>> On 2022-11-21 10:47, Granwille Strauss wrote:
>>
>> Hi Nux
>>
>> Thanks for the update. I ssh'd into the CPVM and when I run `telnet HV_Private_IP 5900` I get no route error. But if I do this with my working existing zone it works fine. So it seems my systemvms cannot reach the VNC server but when I ping from cpvm to kvm private ip I get a successful response, this makes no sense.
>>
>> --
>>
>> Regards / Groete
>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png]<https://www.namhost.com/>
>> Granwille Strauss // Senior Systems Admin
>>
>> e:granwille@namhost.com<ma...@namhost.com>
>> m: +264 81 323 1260<tel:+264813231260>
>> w:www.namhost.com<https://www.namhost.com/>
>>
>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png]<https://www.facebook.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_02/621b3fa39fb210001f975298/85a9dc7c-7bd1-4958-85a9-e6a25baeb028_48x48.png]<https://twitter.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_03/621b3fa39fb210001f975298/c1c5386c-914c-43cf-9d37-5b4aa8e317ab_48x48.png]<https://www.instagram.com/namhostinternetservices/>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_04/621b3fa39fb210001f975298/3aaa7968-130e-48ec-821d-559a332cce47_48x48.png]<https://www.linkedin.com/company/namhos>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_05/621b3fa39fb210001f975298/3a8c09e6-588f-43a8-acfd-be4423fd3fb6_48x48.png]<https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>
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>> Namhost Internet Services (Pty) Ltd,
>>
>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>
>> The content of this message is confidential. If you have received it by mistake, please inform us by email reply and then delete the message. It is forbidden to copy, forward, or in any way reveal the contents of this message to anyone without our explicit consent. The integrity and security of this email cannot be guaranteed over the Internet. Therefore, the sender will not be held liable for any damage caused by the message. For our full privacy policy and disclaimers, please go tohttps://www.namhost.com/privacy-policy
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>>
>>
>>
>>
> --
> Regards / Groete
>
> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>
> *e:* granwille@namhost.com
> *m:* +264 81 323 1260 <tel:+264813231260>
> *w:* www.namhost.com <https://www.namhost.com/>
>
> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>
> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>
> Namhost Internet Services (Pty) Ltd,
> 24 Black Eagle Rd, Hermanus, 7210, RSA
>
>
> The content of this message is confidential. If you have received it
> by mistake, please inform us by email reply and then delete the
> message. It is forbidden to copy, forward, or in any way reveal the
> contents of this message to anyone without our explicit consent. The
> integrity and security of this email cannot be guaranteed over the
> Internet. Therefore, the sender will not be held liable for any damage
> caused by the message. For our full privacy policy and disclaimers,
> please go to https://www.namhost.com/privacy-policy
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> <https://www.adsigner.com/v1/c/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818>
--
Regards / Groete
<https://www.namhost.com> Granwille Strauss // Senior Systems Admin
*e:* granwille@namhost.com
*m:* +264 81 323 1260 <tel:+264813231260>
*w:* www.namhost.com <https://www.namhost.com/>
<https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
<https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
Namhost Internet Services (Pty) Ltd,
24 Black Eagle Rd, Hermanus, 7210, RSA
The content of this message is confidential. If you have received it by
mistake, please inform us by email reply and then delete the message. It
is forbidden to copy, forward, or in any way reveal the contents of this
message to anyone without our explicit consent. The integrity and
security of this email cannot be guaranteed over the Internet.
Therefore, the sender will not be held liable for any damage caused by
the message. For our full privacy policy and disclaimers, please go to
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Powered by AdSigner
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Re: Console View Not Working
Posted by Granwille Strauss <gr...@namhost.com.INVALID>.
I am an idiot I now understand what you mean. In the urldomain setting,
I need to literally specify "*.domain.tld" and then proceed to configure
"1-2-3-4.domain.tld" DNS records. It now fully works as expected, thank
you Nux.
On 12/5/22 15:56, Granwille Strauss wrote:
>
> Thank you
>
> For what its worth, I have two CCVMs and my URL domain for console in
> general settings is set as 'console.domain.tld'. And now I have two A
> records for this subdomain one "pointing" to each CCVM. If I remove
> one IP from the DNS zone, after DNS propagation I cannot access the
> console for any VM. When adding it again back, it seems to work.
>
> On 12/5/22 15:17, Nux wrote:
>>
>> The hostnames are unique, modeled after the following scheme:
>>
>> 1-2-3-4.domain.tld resolves to 1.2.3.4
>>
>> As such, for any IP a CPVM (or indeed SSVM) might get allocated, then
>> you will need to have that kind of resolution working. If you don't
>> have too many IPs, then it might be worth defining A records as the
>> above for all of them, as you won't necessarily know which IP a
>> system VM will use (during the lifecycle of Cloudstack, as you create
>> and delete them).
>>
>>
>> HTH
>>
>> ---
>> Nux
>> www.nux.ro <http://www.nux.ro>
>>
>>
>> On 2022-12-05 10:53, Granwille Strauss wrote:
>>
>>> Hi Guys
>>>
>>> Just a quick question, when specifying your console domain in the
>>> general settings, you need to add an A record to said domains DNS
>>> zone to *point to the CCVM public IP*, for it to be accessible and
>>> for SSL to work accordingly. Now if you have more than one CCVM
>>> because you have multiple zones, should you update the DNS A record
>>> to include the additional CCVMs public IPs too? Or is having only
>>> one enough?
>>>
>>> On 11/21/22 14:23, Granwille Strauss wrote:
>>>>
>>>> Hi Nicolas
>>>>
>>>> On my working zone it shows the same:
>>>>
>>>>> root@v-47-VM:~# telnet public_ip 5900
>>>>> Trying kvm_public_ip...
>>>>> Connected to 41.72.146.218.
>>>>> Escape character is '^]'.
>>>>> RFB 003.008
>>>>
>>>> Both my kvm hosts have the same qemu/libvirt versions too. The
>>>> issue seems to boil down to my routing. I tested other telnet ports
>>>> such as 53 and 80 etc the all come back with no route error.
>>>>
>>>> My existing zone, the one working is fully connected using public
>>>> IP addresses and zero private networking subnets. I created a new
>>>> zone to reconfigure my set up this time using private subnets,
>>>> since its recommended that way. I created a backlink connection
>>>> between my three hosts on the same private VLAN. But it turns out
>>>> my private backlink connection cannot reach the public network. So
>>>> I now had to configure a gateway myself and its supposed to route
>>>> network from my private subnets to the internet such as a ping to
>>>> 1.1.1.1.
>>>>
>>>> I believe this configuration might be the reason, because as soon
>>>> as I turn off the firewall "gateway" I can telnet successfully from
>>>> the cpvm but then the agents disconnects because if cannot reach
>>>> the public network.
>>>>
>>>> On 11/21/22 14:01, Nicolas Vazquez wrote:
>>>>> Hi Granwille,
>>>>>
>>>>> I see the RFB version offered by the VNC server is 3.8, and the CPVM currently can handle up to 3.3. Can you compare on your working zone the output of the telnet to a VNC working port? Is there any difference on the qemu/libvirt configurations on the hosts from each zone?
>>>>>
>>>>> Regards,
>>>>> Nicolas Vazquez
>>>>>
>>>>>
>>>>> From: Granwille Strauss<gr...@namhost.com.INVALID> <ma...@namhost.com.INVALID>
>>>>> Date: Monday, 21 November 2022 at 08:20
>>>>> To: Nux<nu...@li.nux.ro> <ma...@li.nux.ro>
>>>>> Cc:users@cloudstack.apache.org <ma...@cloudstack.apache.org> <us...@cloudstack.apache.org> <ma...@cloudstack.apache.org>
>>>>> Subject: Re: Console View Not Working
>>>>>
>>>>> Hi
>>>>>
>>>>> Its running on the KVM server:
>>>>> root@hostname ~ $ grep -w 5900 /etc/services
>>>>> rfb 5900/tcp # Remote Framebuffer
>>>>> rfb 5900/udp # Remote Framebuffer
>>>>> root@hostname ~ $
>>>>>
>>>>> I stopped the firewall and was able to connect to the VNC service from the cpvm:
>>>>> root@v-78-VM:~# telnet 192.168.50.3 5900
>>>>> Trying 192.168.50.3...
>>>>> Connected to 192.168.50.3.
>>>>> Escape character is '^]'.
>>>>> RFB 003.008
>>>>>
>>>>> Thank you, this helps a lot. I am going to see if white listing some rules might work. And see if it works after testing.
>>>>> On 11/21/22 13:02, Nux wrote:
>>>>>
>>>>> Networking can get tricky, especially if you want to be too smart about it, it will bite back.
>>>>>
>>>>> Anyway, VNC port 5900, is that even listening on the hypervisor, what is ss/netstat saying?
>>>>>
>>>>> Try to find an existing port to test against. If that fails check/disable the firewall on the hypervisor or on any firewall device between management server and hypervisor.
>>>>> ---
>>>>> Nux
>>>>> www.nux.ro <http://www.nux.ro><http://www.nux.ro> <http://www.nux.ro>
>>>>>
>>>>>
>>>>>
>>>>> On 2022-11-21 10:47, Granwille Strauss wrote:
>>>>>
>>>>> Hi Nux
>>>>>
>>>>> Thanks for the update. I ssh'd into the CPVM and when I run `telnet HV_Private_IP 5900` I get no route error. But if I do this with my working existing zone it works fine. So it seems my systemvms cannot reach the VNC server but when I ping from cpvm to kvm private ip I get a successful response, this makes no sense.
>>>>>
>>>>> --
>>>>>
>>>>> Regards / Groete
>>>>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png>]<https://www.namhost.com/> <https://www.namhost.com/>
>>>>> Granwille Strauss // Senior Systems Admin
>>>>>
>>>>> e:granwille@namhost.com <ma...@namhost.com> <ma...@namhost.com>
>>>>> m: +264 81 323 1260<tel:+264813231260> <tel:+264813231260>
>>>>> w:www.namhost.com <http://www.namhost.com><https://www.namhost.com/> <https://www.namhost.com/>
>>>>>
>>>>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png>]<https://www.facebook.com/namhost> <https://www.facebook.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_02/621b3fa39fb210001f975298/85a9dc7c-7bd1-4958-85a9-e6a25baeb028_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_02/621b3fa39fb210001f975298/85a9dc7c-7bd1-4958-85a9-e6a25baeb028_48x48.png>]<https://twitter.com/namhost> <https://twitter.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_03/621b3fa39fb210001f975298/c1c5386c-914c-43cf-9d37-5b4aa8e317ab_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_03/621b3fa39fb210001f975298/c1c5386c-914c-43cf-9d37-5b4aa8e317ab_48x48.png>]<https://www.instagram.com/namhostinternetservices/> <https://www.instagram.com/namhostinternetservices/>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_04/621b3fa39fb210001f975298/3aaa7968-130e-48ec-821d-559a332cce47_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_04/621b3fa39fb210001f975298/3aaa7968-130e-48ec-821d-559a332cce47_48x48.png>]<https://www.linkedin.com/company/namhos> <https://www.linkedin.com/company/namhos>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_05/621b3fa39fb210001f975298/3a8c09e6-588f-43a8-acfd-be4423fd3fb6_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_05/621b3fa39fb210001f975298/3a8c09e6-588f-43a8-acfd-be4423fd3fb6_48x48.png>]<https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA> <https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
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>>>>> Namhost Internet Services (Pty) Ltd,
>>>>>
>>>>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>>>>
>>>>> The content of this message is confidential. If you have received it by mistake, please inform us by email reply and then delete the message. It is forbidden to copy, forward, or in any way reveal the contents of this message to anyone without our explicit consent. The integrity and security of this email cannot be guaranteed over the Internet. Therefore, the sender will not be held liable for any damage caused by the message. For our full privacy policy and disclaimers, please go tohttps://www.namhost.com/privacy-policy <https://www.namhost.com/privacy-policy>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>> --
>>>> Regards / Groete
>>>>
>>>> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>>>>
>>>> *e:* granwille@namhost.com <ma...@namhost.com>
>>>> *m:* +264 81 323 1260 <tel:+264813231260>
>>>> *w:* www.namhost.com <https://www.namhost.com/>
>>>>
>>>> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>>>
>>>> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>>>>
>>>> Namhost Internet Services (Pty) Ltd,
>>>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>>>
>>>>
>>>> The content of this message is confidential. If you have received
>>>> it by mistake, please inform us by email reply and then delete the
>>>> message. It is forbidden to copy, forward, or in any way reveal the
>>>> contents of this message to anyone without our explicit consent.
>>>> The integrity and security of this email cannot be guaranteed over
>>>> the Internet. Therefore, the sender will not be held liable for any
>>>> damage caused by the message. For our full privacy policy and
>>>> disclaimers, please go to https://www.namhost.com/privacy-policy
>>>> <https://www.namhost.com/privacy-policy>
>>>>
>>>> Powered by AdSigner
>>>> <https://www.adsigner.com/v1/c/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818>
>>> --
>>> Regards / Groete
>>>
>>> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>>>
>>> *e:* granwille@namhost.com <ma...@namhost.com>
>>> *m:* +264 81 323 1260 <tel:+264813231260>
>>> *w:* www.namhost.com <https://www.namhost.com/>
>>>
>>> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>>
>>> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>>>
>>> Namhost Internet Services (Pty) Ltd,
>>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>>
>>>
>>> The content of this message is confidential. If you have received it
>>> by mistake, please inform us by email reply and then delete the
>>> message. It is forbidden to copy, forward, or in any way reveal the
>>> contents of this message to anyone without our explicit consent. The
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>>> Internet. Therefore, the sender will not be held liable for any
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>>>
>>> Powered by AdSigner
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> --
> Regards / Groete
>
> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>
> *e:* granwille@namhost.com
> *m:* +264 81 323 1260 <tel:+264813231260>
> *w:* www.namhost.com <https://www.namhost.com/>
>
> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>
> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>
> Namhost Internet Services (Pty) Ltd,
> 24 Black Eagle Rd, Hermanus, 7210, RSA
>
>
> The content of this message is confidential. If you have received it
> by mistake, please inform us by email reply and then delete the
> message. It is forbidden to copy, forward, or in any way reveal the
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--
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<https://www.namhost.com> Granwille Strauss // Senior Systems Admin
*e:* granwille@namhost.com
*m:* +264 81 323 1260 <tel:+264813231260>
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Re: Console View Not Working
Posted by Granwille Strauss <gr...@namhost.com.INVALID>.
Thank you
For what its worth, I have two CCVMs and my URL domain for console in
general settings is set as 'console.domain.tld'. And now I have two A
records for this subdomain one "pointing" to each CCVM. If I remove one
IP from the DNS zone, after DNS propagation I cannot access the console
for any VM. When adding it again back, it seems to work.
On 12/5/22 15:17, Nux wrote:
>
> The hostnames are unique, modeled after the following scheme:
>
> 1-2-3-4.domain.tld resolves to 1.2.3.4
>
> As such, for any IP a CPVM (or indeed SSVM) might get allocated, then
> you will need to have that kind of resolution working. If you don't
> have too many IPs, then it might be worth defining A records as the
> above for all of them, as you won't necessarily know which IP a system
> VM will use (during the lifecycle of Cloudstack, as you create and
> delete them).
>
>
> HTH
>
> ---
> Nux
> www.nux.ro <http://www.nux.ro>
>
>
> On 2022-12-05 10:53, Granwille Strauss wrote:
>
>> Hi Guys
>>
>> Just a quick question, when specifying your console domain in the
>> general settings, you need to add an A record to said domains DNS
>> zone to *point to the CCVM public IP*, for it to be accessible and
>> for SSL to work accordingly. Now if you have more than one CCVM
>> because you have multiple zones, should you update the DNS A record
>> to include the additional CCVMs public IPs too? Or is having only one
>> enough?
>>
>> On 11/21/22 14:23, Granwille Strauss wrote:
>>>
>>> Hi Nicolas
>>>
>>> On my working zone it shows the same:
>>>
>>>> root@v-47-VM:~# telnet public_ip 5900
>>>> Trying kvm_public_ip...
>>>> Connected to 41.72.146.218.
>>>> Escape character is '^]'.
>>>> RFB 003.008
>>>
>>> Both my kvm hosts have the same qemu/libvirt versions too. The
>>> issue seems to boil down to my routing. I tested other telnet ports
>>> such as 53 and 80 etc the all come back with no route error.
>>>
>>> My existing zone, the one working is fully connected using public IP
>>> addresses and zero private networking subnets. I created a new zone
>>> to reconfigure my set up this time using private subnets, since its
>>> recommended that way. I created a backlink connection between my
>>> three hosts on the same private VLAN. But it turns out my private
>>> backlink connection cannot reach the public network. So I now had to
>>> configure a gateway myself and its supposed to route network from my
>>> private subnets to the internet such as a ping to 1.1.1.1.
>>>
>>> I believe this configuration might be the reason, because as soon as
>>> I turn off the firewall "gateway" I can telnet successfully from the
>>> cpvm but then the agents disconnects because if cannot reach the
>>> public network.
>>>
>>> On 11/21/22 14:01, Nicolas Vazquez wrote:
>>>> Hi Granwille,
>>>>
>>>> I see the RFB version offered by the VNC server is 3.8, and the CPVM currently can handle up to 3.3. Can you compare on your working zone the output of the telnet to a VNC working port? Is there any difference on the qemu/libvirt configurations on the hosts from each zone?
>>>>
>>>> Regards,
>>>> Nicolas Vazquez
>>>>
>>>>
>>>> From: Granwille Strauss<gr...@namhost.com.INVALID> <ma...@namhost.com.INVALID>
>>>> Date: Monday, 21 November 2022 at 08:20
>>>> To: Nux<nu...@li.nux.ro> <ma...@li.nux.ro>
>>>> Cc:users@cloudstack.apache.org <ma...@cloudstack.apache.org> <us...@cloudstack.apache.org> <ma...@cloudstack.apache.org>
>>>> Subject: Re: Console View Not Working
>>>>
>>>> Hi
>>>>
>>>> Its running on the KVM server:
>>>> root@hostname ~ $ grep -w 5900 /etc/services
>>>> rfb 5900/tcp # Remote Framebuffer
>>>> rfb 5900/udp # Remote Framebuffer
>>>> root@hostname ~ $
>>>>
>>>> I stopped the firewall and was able to connect to the VNC service from the cpvm:
>>>> root@v-78-VM:~# telnet 192.168.50.3 5900
>>>> Trying 192.168.50.3...
>>>> Connected to 192.168.50.3.
>>>> Escape character is '^]'.
>>>> RFB 003.008
>>>>
>>>> Thank you, this helps a lot. I am going to see if white listing some rules might work. And see if it works after testing.
>>>> On 11/21/22 13:02, Nux wrote:
>>>>
>>>> Networking can get tricky, especially if you want to be too smart about it, it will bite back.
>>>>
>>>> Anyway, VNC port 5900, is that even listening on the hypervisor, what is ss/netstat saying?
>>>>
>>>> Try to find an existing port to test against. If that fails check/disable the firewall on the hypervisor or on any firewall device between management server and hypervisor.
>>>> ---
>>>> Nux
>>>> www.nux.ro <http://www.nux.ro><http://www.nux.ro> <http://www.nux.ro>
>>>>
>>>>
>>>>
>>>> On 2022-11-21 10:47, Granwille Strauss wrote:
>>>>
>>>> Hi Nux
>>>>
>>>> Thanks for the update. I ssh'd into the CPVM and when I run `telnet HV_Private_IP 5900` I get no route error. But if I do this with my working existing zone it works fine. So it seems my systemvms cannot reach the VNC server but when I ping from cpvm to kvm private ip I get a successful response, this makes no sense.
>>>>
>>>> --
>>>>
>>>> Regards / Groete
>>>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png>]<https://www.namhost.com/> <https://www.namhost.com/>
>>>> Granwille Strauss // Senior Systems Admin
>>>>
>>>> e:granwille@namhost.com <ma...@namhost.com> <ma...@namhost.com>
>>>> m: +264 81 323 1260<tel:+264813231260> <tel:+264813231260>
>>>> w:www.namhost.com <http://www.namhost.com><https://www.namhost.com/> <https://www.namhost.com/>
>>>>
>>>> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png>]<https://www.facebook.com/namhost> <https://www.facebook.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_02/621b3fa39fb210001f975298/85a9dc7c-7bd1-4958-85a9-e6a25baeb028_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_02/621b3fa39fb210001f975298/85a9dc7c-7bd1-4958-85a9-e6a25baeb028_48x48.png>]<https://twitter.com/namhost> <https://twitter.com/namhost>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_03/621b3fa39fb210001f975298/c1c5386c-914c-43cf-9d37-5b4aa8e317ab_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_03/621b3fa39fb210001f975298/c1c5386c-914c-43cf-9d37-5b4aa8e317ab_48x48.png>]<https://www.instagram.com/namhostinternetservices/> <https://www.instagram.com/namhostinternetservices/>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_04/621b3fa39fb210001f975298/3aaa7968-130e-48ec-821d-559a332cce47_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_04/621b3fa39fb210001f975298/3aaa7968-130e-48ec-821d-559a332cce47_48x48.png>]<https://www.linkedin.com/company/namhos> <https://www.linkedin.com/company/namhos>[https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_05/621b3fa39fb210001f975298/3a8c09e6-588f-43a8-acfd-be4423fd3fb6_48x48.png <https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_05/621b3fa39fb210001f975298/3a8c09e6-588f-43a8-acfd-be4423fd3fb6_48x48.png>]<https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA> <https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>>>
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>>>> Namhost Internet Services (Pty) Ltd,
>>>>
>>>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>>>
>>>> The content of this message is confidential. If you have received it by mistake, please inform us by email reply and then delete the message. It is forbidden to copy, forward, or in any way reveal the contents of this message to anyone without our explicit consent. The integrity and security of this email cannot be guaranteed over the Internet. Therefore, the sender will not be held liable for any damage caused by the message. For our full privacy policy and disclaimers, please go tohttps://www.namhost.com/privacy-policy <https://www.namhost.com/privacy-policy>
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>>>>
>>>>
>>>>
>>>>
>>> --
>>> Regards / Groete
>>>
>>> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>>>
>>> *e:* granwille@namhost.com <ma...@namhost.com>
>>> *m:* +264 81 323 1260 <tel:+264813231260>
>>> *w:* www.namhost.com <https://www.namhost.com/>
>>>
>>> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>>
>>> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>>>
>>> Namhost Internet Services (Pty) Ltd,
>>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>>
>>>
>>> The content of this message is confidential. If you have received it
>>> by mistake, please inform us by email reply and then delete the
>>> message. It is forbidden to copy, forward, or in any way reveal the
>>> contents of this message to anyone without our explicit consent. The
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>>> Internet. Therefore, the sender will not be held liable for any
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>> --
>> Regards / Groete
>>
>> <https://www.namhost.com> Granwille Strauss // Senior Systems Admin
>>
>> *e:* granwille@namhost.com <ma...@namhost.com>
>> *m:* +264 81 323 1260 <tel:+264813231260>
>> *w:* www.namhost.com <https://www.namhost.com/>
>>
>> <https://www.facebook.com/namhost><https://twitter.com/namhost><https://www.instagram.com/namhostinternetservices/><https://www.linkedin.com/company/namhos><https://www.youtube.com/channel/UCTd5v-kVPaic_dguGur15AA>
>>
>> <https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
>>
>> Namhost Internet Services (Pty) Ltd,
>> 24 Black Eagle Rd, Hermanus, 7210, RSA
>>
>>
>> The content of this message is confidential. If you have received it
>> by mistake, please inform us by email reply and then delete the
>> message. It is forbidden to copy, forward, or in any way reveal the
>> contents of this message to anyone without our explicit consent. The
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--
Regards / Groete
<https://www.namhost.com> Granwille Strauss // Senior Systems Admin
*e:* granwille@namhost.com
*m:* +264 81 323 1260 <tel:+264813231260>
*w:* www.namhost.com <https://www.namhost.com/>
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The content of this message is confidential. If you have received it by
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Re: Console View Not Working
Posted by Nux <nu...@li.nux.ro>.
The hostnames are unique, modeled after the following scheme:
1-2-3-4.domain.tld resolves to 1.2.3.4
As such, for any IP a CPVM (or indeed SSVM) might get allocated, then
you will need to have that kind of resolution working. If you don't have
too many IPs, then it might be worth defining A records as the above for
all of them, as you won't necessarily know which IP a system VM will use
(during the lifecycle of Cloudstack, as you create and delete them).
HTH
---
Nux
www.nux.ro [1]
On 2022-12-05 10:53, Granwille Strauss wrote:
> Hi Guys
>
> Just a quick question, when specifying your console domain in the
> general settings, you need to add an A record to said domains DNS zone
> to point to the CCVM public IP, for it to be accessible and for SSL to
> work accordingly. Now if you have more than one CCVM because you have
> multiple zones, should you update the DNS A record to include the
> additional CCVMs public IPs too? Or is having only one enough?
>
> On 11/21/22 14:23, Granwille Strauss wrote:
>
> Hi Nicolas
>
> On my working zone it shows the same:
>
> root@v-47-VM:~# telnet public_ip 5900
> Trying kvm_public_ip...
> Connected to 41.72.146.218.
> Escape character is '^]'.
> RFB 003.008
>
> Both my kvm hosts have the same qemu/libvirt versions too. The issue
> seems to boil down to my routing. I tested other telnet ports such as
> 53 and 80 etc the all come back with no route error.
>
> My existing zone, the one working is fully connected using public IP
> addresses and zero private networking subnets. I created a new zone to
> reconfigure my set up this time using private subnets, since its
> recommended that way. I created a backlink connection between my three
> hosts on the same private VLAN. But it turns out my private backlink
> connection cannot reach the public network. So I now had to configure a
> gateway myself and its supposed to route network from my private
> subnets to the internet such as a ping to 1.1.1.1.
>
> I believe this configuration might be the reason, because as soon as I
> turn off the firewall "gateway" I can telnet successfully from the cpvm
> but then the agents disconnects because if cannot reach the public
> network.
>
> On 11/21/22 14:01, Nicolas Vazquez wrote:
>
> Hi Granwille,
>
> I see the RFB version offered by the VNC server is 3.8, and the CPVM
> currently can handle up to 3.3. Can you compare on your working zone
> the output of the telnet to a VNC working port? Is there any difference
> on the qemu/libvirt configurations on the hosts from each zone?
>
> Regards,
> Nicolas Vazquez
>
> From: Granwille Strauss <gr...@namhost.com.INVALID>
> Date: Monday, 21 November 2022 at 08:20
> To: Nux <nu...@li.nux.ro>
> Cc: users@cloudstack.apache.org <us...@cloudstack.apache.org>
> Subject: Re: Console View Not Working
>
> Hi
>
> Its running on the KVM server:
> root@hostname ~ $ grep -w 5900 /etc/services
> rfb 5900/tcp # Remote Framebuffer
> rfb 5900/udp # Remote Framebuffer
> root@hostname ~ $
>
> I stopped the firewall and was able to connect to the VNC service from
> the cpvm:
> root@v-78-VM:~# telnet 192.168.50.3 5900
> Trying 192.168.50.3...
> Connected to 192.168.50.3.
> Escape character is '^]'.
> RFB 003.008
>
> Thank you, this helps a lot. I am going to see if white listing some
> rules might work. And see if it works after testing.
> On 11/21/22 13:02, Nux wrote:
>
> Networking can get tricky, especially if you want to be too smart about
> it, it will bite back.
>
> Anyway, VNC port 5900, is that even listening on the hypervisor, what
> is ss/netstat saying?
>
> Try to find an existing port to test against. If that fails
> check/disable the firewall on the hypervisor or on any firewall device
> between management server and hypervisor.
> ---
> Nux
> www.nux.ro [1]<http://www.nux.ro> [1]
>
> On 2022-11-21 10:47, Granwille Strauss wrote:
>
> Hi Nux
>
> Thanks for the update. I ssh'd into the CPVM and when I run `telnet
> HV_Private_IP 5900` I get no route error. But if I do this with my
> working existing zone it works fine. So it seems my systemvms cannot
> reach the VNC server but when I ping from cpvm to kvm private ip I get
> a successful response, this makes no sense.
>
> --
>
> Regards / Groete
> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/logo/621b3fa39fb210001f975298/cd2904ba-304d-4a49-bf33-cbe9ac76d929_248x-.png]<https://www.namhost.com/>
> [2]
> Granwille Strauss // Senior Systems Admin
>
> e: granwille@namhost.com<ma...@namhost.com>
> m: +264 81 323 1260<tel:+264813231260> [3]
> w: www.namhost.com [4]<https://www.namhost.com/> [2]
>
> [https://www.adsigner.com/v1/s/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/social_icon_01/621b3fa39fb210001f975298/9151954b-b298-41aa-89c8-1d68af075373_48x48.png]<https://www.facebook.com/namhost>
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> [9]
>
> [https://www.adsigner.com/v1/i/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner/940x300]<https://www.adsigner.com/v1/l/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818/banner>
> [10]
> Namhost Internet Services (Pty) Ltd,
>
> 24 Black Eagle Rd, Hermanus, 7210, RSA
>
> The content of this message is confidential. If you have received it by
> mistake, please inform us by email reply and then delete the message.
> It is forbidden to copy, forward, or in any way reveal the contents of
> this message to anyone without our explicit consent. The integrity and
> security of this email cannot be guaranteed over the Internet.
> Therefore, the sender will not be held liable for any damage caused by
> the message. For our full privacy policy and disclaimers, please go to
> https://www.namhost.com/privacy-policy
>
> <https://www.adsigner.com/v1/c/631091998d4670001fe43ec2/621c9b76c140bb001ed0f818>
> [11]
>
> --
>
> Regards / Groete
>
> [12]
> Granwille Strauss // Senior Systems Admin
>
> e: granwille@namhost.com
> m: +264 81 323 1260 [3]
> w: www.namhost.com [2]
>
> [5] [6] [7] [8] [9]
>
> [10]
>
> Namhost Internet Services (Pty) Ltd,
>
> 24 Black Eagle Rd, Hermanus, 7210, RSA
>
> The content of this message is confidential. If you have received it by
> mistake, please inform us by email reply and then delete the message.
> It is forbidden to copy, forward, or in any way reveal the contents of
> this message to anyone without our explicit consent. The integrity and
> security of this email cannot be guaranteed over the Internet.
> Therefore, the sender will not be held liable for any damage caused by
> the message. For our full privacy policy and disclaimers, please go to
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Regards / Groete
[12]
Granwille Strauss // Senior Systems Admin
e: granwille@namhost.com
m: +264 81 323 1260 [3]
w: www.namhost.com [2]
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