How to Enable Graphical Mode on Red Hat 7

he recommended way to enable graphical mode on RHEL  V7 is to install first following packages

# yum groupinstall gnome-desktop x11 fonts

Alternatively  you can also target the "Server with GUI" group instead.

# yum groupinstall "Server with GUI"

Once all required packages are installed , we need to configure to start GNOME related services automatically at system reboot.

This can be done by following command:

# systemctl set-default graphical.target