To start an interactive session on a compute node use theqlogin command. This is useful for menu-driven applications or other interactive programs.
By default qlogin will request 1GB of memory, 1 CPU core, and 1GB of scratch disk.
The qlogin command can also request a specific number of CPU cores, RAM, or scratch disk space (non-shared, local disk available available in /scratch on each compute node) for your interactive session. For example, the following command requests 4 CPU cores, 24GB of RAM, and 10GB of scratch disk: