Am 08.04.2015 um 16:22 schrieb Liam O'Toole <liam.p.otoole at gmail.com>: > On 2015-04-08, David Both > <dboth at millennium-technology.com> > wrote: >> The easy way to restart gdm is when you are on the login screen itself >> or the desktop simply press Ctrl-Alt-Backspace. This works for Upstart >> in CentOS 6.x but will not work for CentOS 7.x which uses Systemd. The >> service command does not work for gdm. However, logging out of the >> desktop will restart gdm. It works for the graphical login exactly >> like the gettys in a TTY environment. > > Thanks for the suggestion. > > Logging out and keying ctrl-alt-backspace both restart X, certainly, but > I'm not so sure about gdm. I'm not at a CentOS 6 machine right now so I > can't confirm one way or the other. gdm is a "sub-process" of X ... -- LF