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linux_environment_modules [2020/06/11 15:03]
pgh5a
linux_environment_modules [2021/12/02 14:08] (current)
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-====== Environment ​Modules ​======+==== Software ​Modules ====
  
-[[http://​modules.sourceforge.net|Environment ​Modules]] ​are designed ​to manage ​software installed on our Linux systems. ​This allows us to provide a wide range of software across all our servers so that you don't have to install software on your own or configure the software.  We also offer different versions of software, letting users choose which they want to use.+[[http://​modules.sourceforge.net|Software ​Modules]] ​make it easy for you to use software installed on our Linux systems. ​We provide a wide range of software across all our servers so that you don't have to install software on your own.  We also offer different versions of software, letting users choose which they want to use. 
  
-===== Using Modules ​=====+\\ 
 + 
 +=== Using Modules ===
  
 Type ''​%%module avail%%''​ to get a list of available software. Type ''​%%module avail%%''​ to get a list of available software.
  
 <​code>​ <​code>​
-[pgh5a@portal04 ~]$ module avail+[abc1de@portal04 ~]$ module avail
 ------------------------------- /​sw/​centos/​Modules/​systemModfiles ------------------------------------------------------------- ------------------------------- /​sw/​centos/​Modules/​systemModfiles -------------------------------------------------------------
 slurm-client ​        ​slurm-client-testing slurm-client ​        ​slurm-client-testing
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 <​code>​ <​code>​
-pgh5a@portal04 ~ $ module load python3 ​             # Load the module for use in your current session +abc1de@portal04 ~ $ module load python3 ​             # Load the module for use in your current session 
-pgh5a@portal04 ~ $ which python+abc1de@portal04 ~ $ which python
 /​sw/​centos/​python/​3.6.2/​bin/​python /​sw/​centos/​python/​3.6.2/​bin/​python
-pgh5a@portal04 ~ $ python ​                          # When you run `python` you get the version that has been loaded+abc1de@portal04 ~ $ python ​                          # When you run `python` you get the version that has been loaded
 Python 3.6.2 (default, Oct  6 2017, 13:​03:​05) ​ Python 3.6.2 (default, Oct  6 2017, 13:​03:​05) ​
 [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux
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 <​code>​ <​code>​
-pgh5a@portal ~ $ module load matlab +abc1de@portal ~ $ module load matlab 
-pgh5a@portal ~ $ module load php +abc1de@portal ~ $ module load php 
-pgh5a@portal ~ $ module list+abc1de@portal ~ $ module list
 Currently Loaded Modulefiles:​ Currently Loaded Modulefiles:​
   1) matlab ​   2) python3 ​  3) php   1) matlab ​   2) python3 ​  3) php
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 <​code>​ <​code>​
-pgh5a@portal ~ $ module display python+abc1de@portal ~ $ module display python
 ------------------------------------------------------------------- -------------------------------------------------------------------
 /​sw/​centos/​Modules/​modulefiles/​python:​ /​sw/​centos/​Modules/​modulefiles/​python:​
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 prepend-path MANPATH /​sw/​centos/​python/​current/​share/​man ​ prepend-path MANPATH /​sw/​centos/​python/​current/​share/​man ​
 ------------------------------------------------------------------- -------------------------------------------------------------------
-pgh5a@portal ~ $ echo $LD_LIBRARY_PATH ​+abc1de@portal ~ $ echo $LD_LIBRARY_PATH ​
 /​sw/​centos/​python/​3.6.2/​lib /​sw/​centos/​python/​3.6.2/​lib
 </​code>​ </​code>​
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 <​code>​ <​code>​
-pgh5a@portal ~ $ module switch python3 python2 +abc1de@portal ~ $ module switch python3 python2 
-pgh5a@portal ~ $ module unload php +abc1de@portal ~ $ module unload php 
-</​code>​+</​code>​\\
  
-===== Things to keep in mind =====+=== Shell Scripting/​Slurm Batch ===
  
-==== Shell Scripting/​Slurm Batch ====+If you write shell scripts or slurm batch files that make use of these software packages, remember that you must still load modules from inside of your script. ​ For example, your script must contain the line ''​%%module load python3%%''​ before you can use python from inside of your script. ​
  
-If you write shell scripts or slurm batch files that make use of these software packages, remember that you must still load modules from inside of your script. ​ For example, your script must contain the line ''​%%module load python3%%''​ before you can use python from inside of your script.+\\
  
 === Initialize Modules System === === Initialize Modules System ===
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 <code bash> <code bash>
 source /​etc/​profile.d/​modules.sh source /​etc/​profile.d/​modules.sh
-</​code>​+</​code>​\\ 
 + 
 +=== Virtual Environments === 
 +For most Python related packages (i.e. pip install ...), it is often more applicable to utilize a virtual environment. This can be done with [[ https://​docs.conda.io/​projects/​conda/​en/​latest/​user-guide/​tasks/​manage-environments.html | Anaconda]] 
 +or [[ https://​docs.python.org/​3/​library/​venv.html | venv ]]. The former requires loading an anaconda module, and the latter requires the python3 module. 
 + 
 +\\ 
 + 
 +=== Module Requests === 
 +If a module is needed but not listed, please send an email to cshelpdesk@virginia.edu with the following:​\\ 
 +1. In the subject line, write "​Software Module Request: // software name and the version //"​\\ 
 +2. In the body of the email, please include information about the software being requested (version and any associated links)
  • linux_environment_modules.1591887819.txt.gz
  • Last modified: 2020/06/11 15:03
  • by pgh5a