How to install a graphical user interface (GUI) for Red Hat Enterprise Linux?

Solution Verified - Updated 2024-08-07T07:29:21+00:00 -

Issue

After installing Red Hat Enterprise Linux, the system does not boot to a GUI mode.
X Windows System was not selected during the install, how can it be added post-install?
Getting error message: Unable to import modules. Maybe you're not running under X?
Unable to boot to GUI mode
startx command is not working.
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How to install the GNOME Desktop Environment from text mode on Red Hat Enterprise Linux 5/6/7?
Which packages need to be installed on RHEL for starting the X11 server?
Need help to get "X Windows" system started on RHEL.
Which rpm packages are required for graphical display?

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