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.

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
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