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I have installed ubuntu-12.04.1-server-i386 and on top of that i have installed Ubuntu desktop environment so that i can maintain server easily.

Hear I totally understand that installing Desktop environment will affect my server efficiency but its quit easy to maintain server with GUI so I am wondering that is there any workaround to enable or disable Ubuntu Desktop Environment whenever we need it like we do in Windows for services ? I searched and reffed many sites but did not found anything related to this.

Thanks in advance and sorry for my poor English.

enter image description here

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2 Answers 2

Try to disable GUI, just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command(s) below:

sudo update-rc.d -f gdm remove

When you restart your computer, you’ll get text-mode login. To run GUI again:

startx

To enable GUI again:

sudo update-rc.d -f gdm defaults

Source:HTG

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I execute command "sudo update-rc.d -f gdm remove" nothing happens! then i tried "sudo service lightdm stop" but it stops at checking battery stste and "sudo service gdm stop" is unrecognized service –  Rushik Parikh Jan 9 at 9:22
    
I installed 12.04 server yesterday, and followed the steps, and it worked. Did exactly as the source said. Let me know. –  Mitch Jan 9 at 9:51
    
i have have added image in the question. I guess the command is not executing properly –  Rushik Parikh Jan 9 at 10:48
    
"sudo echo "manual" >> /etc/init/lightdm.override" worked for me –  Rushik Parikh Jan 9 at 11:10
    
I tried that, and it didn't work for me. see image –  Mitch Jan 9 at 11:27
up vote 2 down vote accepted

This is a specific instance of a generic question, "how do I prevent an upstart service from running at boot".

You can use an override:

sudo echo "manual" >> /etc/init/lightdm.override

To start lightdm on command:

sudo start lightdm

To restore your system so that lightdm is always started on boot:

sudo rm /etc/init/lightdm.override

For more information, the upstart cookbook is your friend:

http://upstart.ubuntu.com/cookbook/

SRC : Here

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And how do I shut down the GUI again? –  Håkon K. Olafsen May 6 at 8:17
1  
sudo service lightdm stop –  Rushik Parikh May 7 at 11:44

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