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Install/reinstall or restore gnome2 on CentOS through CLI.

June 3rd, 2012 by Andrea Matesi 2961 Views

Paint this scenario:

[YOUR BOSS]:”What is this evolution crap?, What is this bluetooth?, What is this pcscd?, What is this GAM-SERVER?" (while referring to a just installed CentOS 5.x dedicated mail server ps output).

[YOU]: end up spending hours trying to remove random "unuseful" stuff & services and loosely remove too much (like I did...), then, after rebooting, you are welcomed by X/twm in all it’s magnificence...don’t panic!

Through the CLI it is possible to (re)install or restore gnome2, just type (as root) the following at a terminal:

yum -y groupinstall “GNOME Desktop Environment”

The next time you reboot, you’ll get your much-desired gnome 2 desktop environment back.

Catch: if, for gosh-knows-why, Gnome 2 still doesn’t start, check "/etc/sysconfig/desktop" contents, and (if empty), add:

DISPLAYMANAGER=GNOME

From:
https://www.centos.org/modules/newbb/viewtopic.php?topic_id=17751&forum=37&post_id=65444
http://www.linuxquestions.org/questions/red-hat-31/stuck-w-twm-window-manager-in-centos-5-3-a-780599/

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