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iridium_cluster:testnodes [2014/06/02 08:18]
florido [Setup the work environment]
iridium_cluster:testnodes [2015/01/21 13:15]
florido [Keeping your session alive and your work running even if you disconnect]
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 ^ hostname ​                   ^ purpose ​                       ^ ^ hostname ​                   ^ purpose ​                       ^
 | **nptest**-iridium.lunarc.lu.se | test node for nuclear physics ​ | | **nptest**-iridium.lunarc.lu.se | test node for nuclear physics ​ |
-| **pptest**-iridium.lunarc.lu.se | test node for particle physics |+| **pptest**-iridium.lunarc.lu.se | test node for particle ​physics and theoretical ​physics |
  
-They can also be used from time to time to host courses.+They can also be used from time to time to host temporary ​courses.
  
 They are meant for **interactive** access to the cluster, as opposed to the ''​arc-iridium.lunarc.lu.se''​ batch interface that can be used for batch submission of jobs. (link and explanation will come) They are meant for **interactive** access to the cluster, as opposed to the ''​arc-iridium.lunarc.lu.se''​ batch interface that can be used for batch submission of jobs. (link and explanation will come)
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 ---- ----
  
-**Particle physics:**+**Particle physics ​and Theoretical Physics:**
 <​code>​ <​code>​
 # access pptest-iridium # access pptest-iridium
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 Administrators provided scripts for quick setup of your work enviroment. Administrators provided scripts for quick setup of your work enviroment.
-Just execute the command in the column //Script to run// at the shell prompt, or add it to your ''​.bashrc''​ or ''​.bash_profile''​ file so that is executed every time you login.+Just execute the command in the column //Script to run// at the shell prompt, or add it to your ''​.bash_profile''​ file so that is executed every time you login
 + 
 +:​!:​**NOTE:​** do NOT add these scripts to ''​.bashrc''​ as suggested previously or you will not be able to rsync/scp. Contents of ''​.bashrc''​ are NOT supposed to generate output, but unfortunately some of these scripts do.
  
 The following are active now: The following are active now:
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 ^ Various other environments through //module// | <​code>​module avail</​code>​ | Will show a list of available environments. To enable one, execute the command <​code>​module load <name of environment></​code>​ More info on modules on http://​modules.sourceforge.net/​ | ^ Various other environments through //module// | <​code>​module avail</​code>​ | Will show a list of available environments. To enable one, execute the command <​code>​module load <name of environment></​code>​ More info on modules on http://​modules.sourceforge.net/​ |
  
 +==== Keeping your session alive and your work running even if you disconnect ====
 +
 +The cluster offers you various tools, among these [[:​it_tips:​screen|Screen]] and the usual ''​nohup''​ command to detach from terminal output.
 +
 +However, I personally suggest a tool called byobu, that is essentially Screen or Tmux on steroids.
 +You can read about it here:
 +https://​help.ubuntu.com/​community/​Byobu
  
 ==== Local disk space on the test nodes ==== ==== Local disk space on the test nodes ====
  
-Every node has a local ''/​tmp''​ temporary disk space that can be used for computations. The contents of such space will be deleted regularly. Users can put any sort of data there.+Every node has a local ''/​tmp''​ temporary disk space that can be used for computations. The contents of such space will be deleted regularly. Users can put any sort of data there. ​Currently the space available is 300GB. 
 + 
  
iridium_cluster/testnodes.txt · Last modified: 2015/09/25 08:42 by florido