I went ahead and switched my mirror of the Ubuntu archive to mirrors.digitalocean.com and set RELEASE_UPGRADER_ALLOW_THIRD_PARTY=1, which just prevents the unknown mirror question from appearing, and ran into the following issue:
2019-04-23 11:34:19,521 WARNING mirror check skipped, *overriden* via config 2019-04-23 11:34:19,521 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu cosmic main restricted universe multiverse' 2019-04-23 11:34:19,522 DEBUG verifySourcesListEntry: deb http://mirrors.digitalocean.com/ubuntu disco main restricted universe multiverse 2019-04-23 11:34:19,522 DEBUG url_downloadable: http://mirrors.digitalocean.com/ubuntu/dists/disco/Release 2019-04-23 11:34:19,522 DEBUG s='http' n='mirrors.digitalocean.com' p='/ubuntu/dists/disco/Release' q='' f='' 2019-04-23 11:34:19,567 DEBUG error from httplib: 'HTTP Error 403: Forbidden' 2019-04-23 11:34:19,567 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu cosmic main restricted universe multiverse' was disabled (no Release file) The disco release file is accessible by other means and given that the release upgrader is just using urlopen to retrieve the Release file I suggest you take this up with digitalocean. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1825938 Title: Cannot update to 19.04 ubuntu-minimal could not be located To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1825938/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
