Useful shell commands » History » Revision 17
Revision 16 (Amber Herold, 11/15/2011 11:10 AM) → Revision 17/28 (Amber Herold, 11/15/2011 11:11 AM)
h1. Useful shell commands Link to "top 10 cheat sheets":http://www.cyberciti.biz/tips/linux-unix-commands-cheat-sheets.html. h3. make a folder writable <pre> chmod -R g+rw eman_recon14</pre> h3. check the status of a job # ssh to the processing server # <pre>qstat -au YOUR_USER_NAME</pre> # will list your jobs h3. check which nodes are currently being used on processing machine <pre> qstat -an </pre> h3. check the status of each node on the cluster There's a couple ways you can check. One is using the command 'pbsnodes'. That will spew a bunch of info about each of the nodes including status. For a graphic version use the command xpbsmon ( remember to use -X with ssh to display it back to your computer). h3. kill a process # Log into the machine it is running on <pre>ssh fly</pre> # Look for processes with your user name <pre>ps -ef |grep [your_username]</pre> # Kill the process using the number in the first column after your username <pre>kill [process id]</pre> # If the process was a copy, remove the destination folder <pre>rm [destination folder]</pre> # list system stats <pre>top</pre> h3. submit a job to a job manager <pre> qsub <jobfilename> </pre> h3. Kill a job running through the job manager * use *qdel* <job number> h3. Start an interactive session on a node <pre> qsub -I </pre> * you can type in job file contents line by line and see results. h3. Check how much space is available on a data drive * cd to the drive (cd /ami/data00) and type: <pre> df -h . </pre> * to show disc usage status of all mounted systems: <pre> df -h </pre> h3. see how large the files are in a directory <pre> du </pre> * Or for a more human readable command: <pre> du -sch * </pre> h3. See what groups a user belongs to <pre> id <username> </pre> * *note:* the user's umask should be set to 002 in their .cshrc file if they are not using the global one to make sure AMI group members can process their data.