Ubuntu 14.04 upgrade succeeded partially - I would like to use a different mirror; how can I do that?
36025
How do I change which mirror I get updates and software from?
89856
How to resume the interrupted upgrade from 14.10 to 15.04?
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
59017
How to repair Ubuntu installation after interrupted dist-upgrade without losing any custom settings?
143747
How do I enable the "backports" repository?
5820
How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?
26167
What is the easiest way to strip a desktop edition to a server edition?
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
105288
How can I mirror one of the screens in a 3-monitor setup?
37210
How can I mirror/flip display output?
148176
Apt-mirror for amd64 did not include focal/main/dep11 and focal/main/cnf/Commands-amd64
33651
How to upgrade from Ubuntu 12.10 to 14.04
144507
No facility exists in Update Manager to upgrade to a new version, why?
144175
How do I install and keep updated with the most recent versions of Blender on Ubuntu?
127669
How can I install the "third party" software option after I've skipped it in the installer?
63176
How can I update to Ubuntu 21.04?
63514
How do I decide what version of Ubuntu to install?