Desktop Environment : GNOME Desktop2021/07/19

	If you installed Rocky Linux without GUI but now need GUI because of GUI required applications and so on, Install Desktop Environment like follows.
[1]	Install GNOME Desktop Environment on this example.

[root@dlp ~]#

dnf -y group install "Server with GUI"

[2]	After installing Desktop, to start Desktop session on CUI, re-login with a common user and run like follows.

[rocky@dlp ~]$

startx

# GNOME Shell starts by default but if you'd like to use classic mode, set like follows and go startx

[rocky@dlp ~]$

vi ~/.xinitrc

# create new

export XDG_CURRENT_DESKTOP=GNOME-Classic:GNOME
export GNOME_SHELL_SESSION_MODE=classic
exec /usr/bin/gnome-session --session=gnome-classic

[rocky@dlp ~]$

startx

[3]	Or if you would like to change your System to Graphical Login as default, change setting like here and restart computer. Then, Graphical Login screen is shown like follows.

[4]	When initial login for each user, they should select language or keyboard settings. After configuring initial login settings, GNOME Desktop session starts like follows.

[5]	On RHEL 8 / Rocky Linux 8, GNOME Shell is set default but if you would like to change to Classic mode like RHEL 7 / CentOS 7, then Click the icon that is placed on the left side of [Sign In] button on the login screen and Select [Classic] on the selection like follows.

[6]	GNOME Desktop Classic Session starts.

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