How to become an SDCC user and work with facility resources.

Quick start for new users:

Additional access methods and facility services:

Troubleshooting X11 Sessions

By Louis Pelosi | Thu, 04/29/2021 - 12:14

Diagnosing problems with remote X11 sessions via SSH.

A few of the more common problems with connecting to a remote X11 window session via SSH:

X11 Forwarding

You may not have enabled X11 session forwarding in either your SSH configuration files, or directly in your SSH client application.  On the file system, this can be configured in either, or both, of two configuration files:

  • Your user configuration file:


Overview of Kerberos Services

By Louis Pelosi | Thu, 04/29/2021 - 12:11

Information about the use of Kerberos at the SDCC

The Kerberos Network Authentication Protocol is used by the SDCC to provide password-based authentication of users for many SDCC services. For most purposes at the SDCC users do not directly interact with Kerberos, it is only used behind the scenes as a password verification service.