Cluster: Difference between revisions

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The perceus manual is [http://www.warewulf-cluster.org/portal/book/export/html/7 here]
The perceus manual is [http://www.warewulf-cluster.org/portal/book/export/html/7 here]


Perceus commands like 'wwnodes' 'wwtop' and 'wwstats' to look at the Cortex cluster compute nodes.
* listing available cluster nodes:
 
  wwstats
 
* list cluster usage
 
  wwtop
 
* to restrict the scope of these commands to cortex cluster, add the following line to your .bashrc
 
  export NODES='*cortex'


* module list
* module list
* module avail
* module avail
* module help
* module help
* help pages are [http://lrc.lbl.gov/html/guide.html here]


=== Matlab ===
=== Matlab ===

Revision as of 17:59, 10 July 2009

Connect

get a password

  • press the PASS WORD button on your crypto card
  • enter passoword
  • press enter
  • the 7 digit password is given (without the dash)

ssh to the gateway computer (hadley)

note: please don't use the gateway for computations (e.g. matlab)!

 ssh -Y neuro-calhpc.berkeley.edu (or hadley.berkeley.edu) 

and use your crypto password

Useful commands

Start interactive session on compute node

  • start interactive session: qsub -X -I
  • start interactive session on particular node: qsub -X -I -l nodes=n0001.cortex

Perceus commands

The perceus manual is here

  • listing available cluster nodes:
 wwstats
  • list cluster usage
 wwtop
  • to restrict the scope of these commands to cortex cluster, add the following line to your .bashrc
 export NODES='*cortex'
  • module list
  • module avail
  • module help

Matlab

note: remember to start an interactive session before starting matlab!

We don't currently have a proper Matlab installation. However, you can run an old version by appending the following to the .bashrc file in your home directory:

 export PATH=$PATH:/global/home/users/jack/matlab74/bin