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Hi, Sorry for the newbie question! We have a cluster that runs on centOS. I wanted to zip some files (very large files). I am told that I should use ...
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- 01-22-2014 #1
- Join Date
- Sep 2013
running commands on slave nodes?
Sorry for the newbie question!
We have a cluster that runs on centOS. I wanted to zip some files (very large files). I am told that I should use the head node for this as it would tie down the CPU. How can I do this using one of the other nodes in the cluster?
For small files, I would just log into the cluster using ssh (ie. ssh myname AT ourCluster DOT x DOT y DOT z) and run the tar from command line. But this would be using the head node.
How do I do the same operations, but use a node other than the head node?
- 01-22-2014 #2
- Join Date
- Apr 2012
- Virginia, USA
- 01-22-2014 #3
With ssh you can also have it execute a command on your remote node, I did this to zip and transer files. I wrote a script and put it on my nodes then was able to from my workstation ssh to remote nodes and run the script.