Friday, June 19, 2015

CentOS 7 / RHEL 7 - XDMCP

If you're trying to get XDMCP working on CentOS 7 or RHEL 7, you must switch lightdm and xfce b/c GDM and Gnome (and I assume KDE) require direct hardware access. I kept getting a black screen when trying to connect. Switching to lightdm resolved this.

This page explains it best.