Can't update my Ubuntu 13.04
1520
How to install software or upgrade from an old unsupported release?
154072
Ubuntu 17.10 doesn't show up in update-manager
8525
Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
36703
How do I upgrade from 12.10 to 13.04?
7357
upgrade to 13.10 stalled and restart failed
144507
No facility exists in Update Manager to upgrade to a new version, why?
80899
"no public key available" on apt-get update
135383
Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
93052
How can I update my nodeJS to the latest version?
83960
How do I change my update server in Ubuntu 18.04?
74069
Can't update drupal core to 7.27
86777
Distribution upgrade problem "No new release found"
149984
Can't update or install anything. Ubuntu 3.11.0.14
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
123455
Unable to update Node JS - keeps returning to old version [Ubuntu 15.04]
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?