do-release-upgrade 14.04 LTS -> 18.04 LTS Fails

When attempting to upgrade (been delaying way too long) I get an error telling me that the essential package ubuntu-minimal could not be located.

Am I out of luck upgrade this linode? Do I have to rebuild this linode from scratch?

Bill

2 Replies

Hey Bill,

It's possible you just need to update your /etc/apt/sources.list to get the upgrade working. I took a look on Ubuntu's Mirrors Page and found the University of Arizona's Mirrors were up-to-date and still had 14.04 and 16.04 source files available. If you want to try their mirrors, you'll want to run the following commands and then try the upgrade again.

deb http://mirror.arizona.edu/ubuntu/ trusty main 
deb-src http://mirror.arizona.edu/ubuntu/ trusty main 

If this doesn't help, you might be better off rebuilding the Linode with a more recent distribution.

Ryan L.
Linode Support Staff

@Billy_J The below link has best practices for properly upgrading your Linode's distribution.

https://www.linode.com/community/questions/19726/how-do-upgrade-ubuntu-when-at-end-of-life

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