IT/Software/Upgrading Between Versions
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General
Though you can upgrade every 6 months there is often little reason to do this in a production environment.
Every two years a LTS(Long Term Support) release comes out.
- It is supported for 5 years.
- It does get point releases and kernel upgrades.
- Most software can be brought to a current version with a ppa
Common Thoughts
- We generally try to tweak a server as little as possible.
- Staying in line with common practice help us get help when needed.
- As you upgrade make notes of what config files have changed.
- Choose the Package Maintainer's version.
- New features have likely been added.
- It usually keeps a copy of the old one.
- Choose the Package Maintainer's version.
Check
sudo do-release-upgrade -c
The c is obviously for check
Upgrade
sudo do-release-upgrade
This normally only works after the point release is out.
You can force it sooner with the -d flag at the end
sudo do-release-upgrade -d
The upgrade path from 16.04 to 18.04 was bad.
The upgrade path from 18.04 to 20.04.1 was great.
- You may need to purge a ppa or two for it to work.
- We recommend y-ppa manager