65 lines
2.4 KiB
Markdown
65 lines
2.4 KiB
Markdown
---
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title: Using PModules
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#tags:
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#keywords:
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last_updated: 20 June 2019
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#summary: ""
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sidebar: merlin6_sidebar
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permalink: /merlin6/using-modules.html
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---
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## Environment Modules
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On top of the operating system stack we provide different software using the PSI developed PModule system.
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PModules is the official supported way and each package is deployed by a specific expert. Usually, in PModules
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software which is used by many people will be found.
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If you miss any package/versions or a software with a specific missing feature, contact us. We will study if is feasible or not to install it.
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### Basic commands:
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Basic generic commands would be:
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```bash
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module avail # to see the list of available software packages provided via pmodules
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module use unstable # to get access to a set of packages not fully tested by the community
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module load <package>/<version> # to load specific software package with a specific version
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module search <string> # to search for a specific software package and its dependencies.
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module list # to list which software is loaded in your environment
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module purge # unload all loaded packages and cleanup the environment
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```
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Also, you can load multiple packages at once. This can be useful for instance when loading a package with its dependencies:
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```bash
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# Single line
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module load gcc/8.3.0 openmpi/3.1.3
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# Multiple line
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module load gcc/8.3.0
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module load openmpi/3.1.3
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```
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In the example above, we load ``openmpi/3.1.3`` but we also specify ``gcc/8.3.0`` which is a strict dependency. The dependency must be
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loaded in advance.
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---
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## When to request for new PModules packages
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### Missing software
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If you don't find a specific software and you know from other people interesing on it, it can be installed in PModules. Please contact us
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and we will try to help with that. Deploying new software in PModules may take few days.
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Usually installation of new software are possible as long as few users will use it. If you are insterested in to maintain this software,
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please let us know.
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### Missing version
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If the existing PModules versions for a specific package do not fit to your needs, is possible to ask for a new version.
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Usually installation of newer versions will be supported, as long as few users will use it. Installation of intermediate versions can
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be supported if this is strictly justified.
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