Install Server X

yum install '@X Window System'

Install Gnome

yum install gnome-software gnome-classic-session gnome-terminal nautilus-open-terminal control-center

Démarrage en mode graphique

#ln -s /lib/systemd/system/graphical.target /lib/systemd/system/multi-user.target
ln -fs /lib/systemd/system/graphical.target /etc/systemd/system/default.target