Want to enable root logon in Ubuntu 12.04? Well, even though it’s not recommended, it’s still possible to login with the root or administrator account, and this brief tutorial is going to show you how. The reason it’s not recommended is simple; because people make mistakes. Making the smallest mistakes in Ubuntu while login as the root user can completely render your computer inoperable. Besides damaging your system, it also creates security risks to login as the root user. Enable Login as Root in Ubuntu 12.04Precise Pangolin/11.10 Oneiric Ocelot
If you still want to login as the root user after all the risks I mentioned above, then continue below to learn how.
To Enable root, open Terminal and enter following commands:
Now Restart your pc and login as root.
sudo passwd root sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf'