On Saturday, April 27 from 8:00 AM to 9:00 AM, we will be performing an upgrade of the GitLab system. During that time, GitLab and git services on git.unl.edu may be unavailable.
Add page about enabling Indirect GLX for Linux and Mac
See this page for details. Instructions for re-enabling it are on this page. For newer Xorg versions, there is also a config flag that is easier to use: