The NIG Supercomputer

Interactive Jobs (interactive job)

This is an old document

This document is a former NIG supercomputer (2019) document and is kept for reference purposes.

Please note that it does not work in the same way on the current NIG supercomputer (2025).

When you execute the qlogin command on the gateway node, a free interactive node will be allocated.

$ ssh gw.ddbj.nig.ac.jp
Enter passphrase for key '/home/your_account/.ssh/id_rsa': 
Last login: Sat Apr  9 16:53:55 2022 from XXX.XXX.XXX.XXX
---------------------------------------------------------------------
Thank you for using NIG supercomputer system.
This is the gateway node, do not run program here.
Please use 'qlogin' to login to a interactive node.
---------------------------------------------------------------------

$ qlogin -l s_vmem=16G -l mem_req=16G
Your job 15193768 ("QLOGIN") has been submitted
waiting for interactive job to be scheduled ...
Your interactive job 15193768 has been successfully scheduled.
Establishing /home/geadmin/UGER/utilbin/lx-amd64/qlogin_wrapper session to host at137 ...

$

In this example, the interactive node at137 is allocated to the user, and you will see the prompt for at137 at the end. You can execute commands interactively from this prompt.