HPC Grid Tutorial: How to Load Modules

This is an overview of how to unload and load module applications for the Grid. If you'd like to use a certain application on the Grid, be sure to check the available modules to see if it's not already installed. If not, submit a software installation request.

Useful commands for loading and unloading modules:

• module spider
  • Reports all the modules that can be loaded on a system

• module spider module_name shows the information on a particular module

This tells you that you need to load a gnu compiler module before you can load the mpich module.

• module avail
  • Reports modules that can be loaded directly as well as default and already loaded modules.

• module load module_name
  • Loads the named module
  • e.g. module load matlab

• module unload module_name
  • Unloads the named module
  • E.g. module unload matlab

• module swap
  • Switches modules
  • E.g. if we wanted to load the intel module we would get this error. The gnu7 compiler is loaded by default, and you can only have one compiler loaded at a time. The error messages give the command to use module swap in order to swap compiler modules. You can simply highlight the text to copy it, and right-click to paste!

Enter the command: module swap gnu7 intel/2020

• module list
  • List of loaded modules.

• ml
  • By itself means module list.
  • It can be paired with an argument such as a module name or module command
  • E.g. ml spider means module spider, ml intel/2019 means module load intel/2019.

• You can use the auto-fill feature to check all the available choices for a particular module.
  • E.g. ml intel and hit the tab key twice

• E.g. ml ls-dyna and the hit the tab key twice