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Interactive Jobs

Interactive jobs give you a shell directly on a compute node — useful for testing, debugging, or running applications that need direct input.

Basic Interactive Session

srun --ntasks=1 -p power-general-shared-pool -A public-users_v2 --qos=public --pty bash

On a Specific Node

srun --ntasks=1 -p power-general-shared-pool -A public-users_v2 --qos=public --nodelist=compute-0-12 --pty bash

With GUI (X11 Forwarding)

Make sure you connected to the login node with ssh -X first:

srun --ntasks=1 -p power-general-shared-pool -A public-users_v2 --qos=public --x11 --pty bash

With Multiple CPUs

srun --ntasks=1 --cpus-per-task=4 -p power-general-shared-pool -A public-users_v2 --qos=public --nodes=1 --pty bash

Important

  • Interactive jobs consume resources for as long as your session is open — exit when done
  • If your connection drops, the interactive job will terminate
  • For long-running work, use sbatch instead
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