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Connecting to Rostam
How to connect to Rostam via ssh
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2020-05-12 11:13:34 UTC

Accessing the System

The ssh command (SSH protocol) is the standard way to connect to Rostam. SSH also includes support for the file transfer utilities scp and sftp. Wikipedia is a good source of information on SSH. SSH is available within Linux and from the terminal app in the Mac OS. If you are using Windows, you will need an SSH client that supports the SSH-2 protocol: e.g. Bitvise, OpenSSH, PuTTY, or SecureCRT. Initiate a session using the ssh command or the equivalent; from the Linux command line the launch command looks like this:

localhost$ ssh myuser@rostam.cct.lsu.edu

To connect with X11 support on Rostam:

localhost$ ssh -X myuser@rostam.cct.lsu.edu

Two-step Authentication

Access to all LSU systems now requires Two-Factor Authentication (2FA). You can set up your two-factor authentication after you logged in for the first time. Please follow the instructions Two-Factor Authentication Setup

Advanced Connection Topics

Connecting to the cluster by typing password and using the full hostname could be a bit obnoxious.

You can:

  • Setup Public Key Authentication to avoid typing password for each login.
  • Configure SSH client to avoid typing username and hostname each time
  • Setup ProxyJump to access a compute node directly from your workstation.

By following our Advanced SSH Configuration instructions.