The following describes a number of commands users may find useful when using available HPC systems.
qhist is a locally written command which summarizes the total usage of a user and user's projects. See the output of
qhist --help for details. To display your usage simply type:
With qhist you can also view your usage for a given time interval, just specifying the exact dates. For example, to check the usage in 2020 one should type:
$qhist 2013-09-01 2013-10-31
Stands for “Node Status” and displays the current status of cluster nodes.
- Green coloured nodes identify fully allocated nodes
- Lilac coloured nodes identify nodes with running jobs but not fully allocated
- White coloured nodes identify available nodes
- Yellow coloured nodes identify offline nodes
- Red coloured nodes identify nodes that are down
A system command which estimates the disk usage of a given directory. It is best practise to use the “-sh” options to get the total usage of the given directories in a human readable format.
$du -sh /path/to/directory
For more details on the du command consult the manual using “man du”.
A system command which estimates the disk usage of a filesystem. The df -h command alone will list the details of all available filesystems.