How to:Upgrade to ubuntu 10.10

If your ubuntu update manager not showing new upgrade release, then follow following steps to upgrade your ubuntu to 10.10 ...
1) In your sources.list file change 'lucid' to 'maverick' (if previous is 10.04)

2) install update manager if it's not there.

          $ sudo aptitude install update-manager-core


3) enter following command to upgrade:


          $ sudo do-release-upgrade -d


Then take rest for an hour... It will take time.


NOTE: If step 3 is not working restart after step 2.


OR after step 2 try...


                    $ aptitude dist-upgrade