Starting X on Boot on Red Hat 7 Linux Baesd Systems
The Tip Show How to Automatically Switch between Server and Graphical Desktop Environment on Boot for CentOS/Red-Hat/Oracle Enterprise 7.x GNU/Linux Systems.
The Systems make use by default of systemd, and systemd uses ‘targets’ instead of runlevels.

Switching Desktop
To Switch to:
- Graphical Desktop
su -c "ln -f /lib/systemd/system/graphical.target /etc/systemd/system/default.target"
- Server
su -c "ln -f /lib/systemd/system/multi-user.target /etc/systemd/system/default.target"
- Graphical Desktop
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