4. GNOME Desktop Support (Optional)
If GUI is not selected during installation, follow the steps below for support:
Install additional xorg-x11-server packages.
1.
# yum groups install "GNOME Desktop"
# yum install xorg-x11-server-devel
# yum install libXrandr-devel
2.
Start X server with GNOME.
# startx
Enable GUI as default system target.
# systemctl set-default graphical.target
# systemctl enable gdm.service
# reboot
Disable the GUI and revert to use VGA console.
3.
# systemctl disable graphical.target
# systemctl disable gdm.service
# reboot
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