- Never use apt-get or aptitude.
Use update-manager instead (see how to below). Update-manager fixes common errors, removes old artwork, etc.
- Don’t use any critical applications when upgrading.
Of course you can browse and such, but the system can’t upgrade all the
packages at the same time so if you’re running packages that have
dependencies you might get version conflicts and in the worst case a
program can crash and you lose work.
- Take your time.
- Upgrading can easily take up to 2 hours depending on your internet connection and computer performance.
- Take into account that some programs might need some extra attention after the upgrade.
- Preferably have another PC with internet close by.
It’s no must but this way you can always search the internet to find
solutions for any problems that you might encounter. A live CD is also
- Read guides.
They will show you common pitfalls. Learn from other people’s mistakes.