There was an error contacting the mirror of the Ubuntu archive which you use due to a name resolution failure. Please ensure that you can resolve archive.ubuntu.com and try the upgrade again.
2020-04-27 12:40:40,036 DEBUG url_downloadable: http://archive.ubuntu.com/ubuntu/dists/focal/Release 2020-04-27 12:40:40,036 DEBUG s='http' n='archive.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f='' 2020-04-27 12:41:05,085 DEBUG error from httplib: '<urlopen error [Errno -3] Temporary failure in name resolution>' ** Summary changed: - Upgrade to 20.04 fails + Upgrade to 20.04 fails due to inability to resolve archive.ubuntu.com ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875351 Title: Upgrade to 20.04 fails due to inability to resolve archive.ubuntu.com To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1875351/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs