Cannot upgrade Ubuntu 19.10 to the latest LTS
1520
How to install software or upgrade from an old unsupported release?
49161
Upgrade manager wants me to do a partial upgrade
149984
Can't update or install anything. Ubuntu 3.11.0.14
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
118307
Why does upgrade from 12.04 to 12.10 using a CD/DVD still require download?
110148
Why does `do-release-upgrade` skip a version?
48809
"The upgrade has aborted" error, how to proceed?
75380
upgrading glibc to a version at least 2.17 or higher in ubuntu 12.04 LTS?
77705
Unable to upgrade in ubuntu
100963
How to only perform LTS upgrades?
43648
Why isn't an upgrade to 20.04 from 18.04 available yet?
63176
How can I update to Ubuntu 21.04?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
7580
How to safely upgrade from an older Ubuntu version to a newer one?
11556
Can I smoothly upgrade from one LTS to next LTS release?
29191
Upgrade to 18.04 from 17.10
12578
How do I upgrade to a newer version of Ubuntu?