Is what I did ok?

Sun Apr 8 20:15:03 UTC 2007

On Sun, 2007-04-08 at 22:06 +0300, OOzy Pal wrote:
> 
> and I created a new Fiesty source.list then I did this
> 
> sudo aptitude update
> sudo aptitude upgrade 

The recommended way is to use the upgrade-manager. If you use aptitude,
then "aptitude dist-upgrade" is the way to go. I very much recommend
that you read the upgrade instructions
https://help.ubuntu.com/community/FeistyUpgrades