Helpful commands on M3

This page serves as an index of commands on M3 that are meant to make your life a little easier on M3. Some of these are written by the M3 admins, others are popular tools shared by others.

Custom scripts written by us include:

• cinfo: see the state of every node on M3, including which jobs are running on each node (alternative to show_cluster).
• mon_qos: show detailed info about the QoS available on M3, and which ones you personally have access to.
• mon_sacct: show detailed info about a completed job.
• show_cluster: see key info about the state of every node on M3.
• show_job: check the status of your queued, running, and recently completed jobs.
• user_info: check your storage quota usage.

Other useful commands are:

• jobstats: print a report of your CPU and GPU usage for a job
• ncdu: interactively identify the files and directories taking up the most space.
• sacct: check the status of your completed jobs, and get detailed info about them.
• squeue: check the status of your queued and running jobs.
• smux: a terminal multiplexer, allowing you to have multiple terminal sessions open at once, and to keep them running even if you disconnect from M3.