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iridium_cluster:testnodes [2014/05/09 09:42] florido |
iridium_cluster:testnodes [2014/06/03 09:45] florido |
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- | ====== Iridium Cluster Testing nodes ====== | + | ====== Interactive access to the cluster: Iridium Cluster Testing nodes ====== |
> **Q:** Why do I need this? | > **Q:** Why do I need this? | ||
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<code>ssh myusername@pptest-iridium.lunarc.lu.se</code> | <code>ssh myusername@pptest-iridium.lunarc.lu.se</code> | ||
- | One can speed up access to the cluster by using the ssh ''config'' file (read [[:it_tips:ssh|here]] for detailed explanation). You can copy-paste the following into your ''.ssh/config'' file **and modify it to your needs**: | + | One can speed up access to the cluster by using the ssh ''config'' file (read [[:it_tips:ssh#Speedup connection with the ssh config file|here]] for detailed explanation). You can copy-paste the following into your ''.ssh/config'' file **and modify it to your needs**: |
+ | |||
+ | ---- | ||
**Particle physics:** | **Particle physics:** | ||
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</code> | </code> | ||
+ | **Example:** My username is //guest03//. In the template above, I would change all the <Username …> to //guest03//, and //nX// to //n12//. | ||
+ | |||
+ | then to login to n12 I will do: | ||
+ | |||
+ | ssh iridiumn12 | ||
+ | |||
+ | And I will have to input 2 passwords: one for pptest-iridium and one for the node. | ||
+ | |||
+ | The number of passwords can be reduced if one uses a [[_it_tips:ssh#Reduce passwords using a private/public ssh key pair|private/public ssh key pair.]] | ||
+ | |||
+ | ---- | ||
**Nuclear physics:** | **Nuclear physics:** | ||
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</code> | </code> | ||
- | ==== setup the work environment ==== | + | **Example:** My username is //guest03//. In the template above, I would change all the <Username …> to //guest03//, and //nX// to //n12//. |
+ | |||
+ | then to login to n12 I will do: | ||
+ | |||
+ | ssh iridiumn12 | ||
+ | |||
+ | And I will have to input 2 passwords: one for nptest-iridium and one for the node. | ||
+ | |||
+ | The number of passwords can be reduced if one uses a [[_it_tips:ssh#Reduce passwords using a private/public ssh key pair|private/public ssh key pair.]] | ||
+ | |||
+ | ---- | ||
+ | |||
+ | ==== Setup the work environment ==== | ||
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: | ||
^ Environment | Script to run | Description | | ^ Environment | Script to run | Description | | ||
- | ^ ATLAS Experiment environment | ''setupATLAS'' | Will setup all the neeeded environment variables for ATLAS experiment, and present a selection of other environments that the user can setup. | | + | ^ ATLAS Experiment environment | ''setupATLAS'' | Will setup all the needed environment variables for ATLAS experiment, and present a selection of other environments that the user can setup. | |
+ | ^ 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/ | | ||
==== Local disk space on the test nodes ==== | ==== Local disk space on the test nodes ==== |