Avoiding host server OS upgrades?

(Michael Downey) #1

Continuing the discussion from Discourse Docker Image version 1.3.3, released:

Can anyone shed some light on why this would be the case?

(Gerhard Schlager) #2

From the Digital Ocean guide: How To Upgrade to Ubuntu 16.04 LTS

Although many systems can be upgraded in place without incident, it is often safer and more predictable to migrate to a major new release by installing the distribution from scratch, configuring services with careful testing along the way, and migrating application or user data as a separate step.

And a problem specific to Digital Ocean that I ran into recently:

On DigitalOcean systems, an upgraded Ubuntu 14.04 system will be left with an older kernel which may not be upgradeable for some time.