Convert Ubunu into Lubuntu

sudo apt-get update
sudo apt-get install lubuntu-desktop

Then type as follow to install lxde:
sudo apt-get install lxde

Remove Gnome completely from TTY by Ctrl+Alt+F3 using

sudo apt-get purge gdm

Link: http://askubuntu.com/questions/209746/how-to-remove-gnome-completely

For assistance:
www.ubuntuforums.org/showthread.php?t=1844755


------------------------------------------------------ कोई भी मूल्य एवं संस्कृति तब तक जीवित नहीं रह सकती जब तक वह आचरण में नहीं है.