[Nutch Wiki] Update of "NutchHadoopTutorial" by DennisKubes

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  This will need to be copied to all of the slave nodes like this:
  
  {{{
- scp /nutch/home/conf/hadoop-env.sh nutch@devcluster02:/nutch/home/conf/hadoop-env.sh
+ scp /nutch/search/conf/hadoop-env.sh nutch@devcluster02:/nutch/search/conf/hadoop-env.sh
  }}}
  
  And finally you will need to log into each of the slave nodes, create a default ssh key for each machine and then copy it back to the master node where you will append it to the /nutch/home/.ssh/authorized_keys file.  Here are the commands for each slave node, be sure to change the slavenodename when you copy the key file back to the master node so you don't overwrite files: