How to upgrade from 14.04 LTS or 15.10 to 16.04 from terminal
11556
Can I smoothly upgrade from one LTS to next LTS release?
35243
Is it safe to do-release-upgrade from 12.04.4 to 14.04.1?
9901
How to upgrade from 18.10 to 19.10, using the command line?
75798
How to upgrade to the latest GNOME version?
63232
How to update kernel to the latest mainline version without any Distro-upgrade?
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
13832
How to update Ubuntu terminal?
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?
94545
How to update ubuntu's python with latest version from source?
87236
How to upgrade Ubuntu 12.04 to 13.10?
35566
Kernel did not upgrade between 14.04 LTS to 16.04 LTS
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
41964
Where is the update to 14.04.1 in update-manager?
2670
Why is "No new release found" when upgrading from a LTS to the next?
84053
Is upgrading from LTS to LTS as reliable as doing a fresh install?
95336
Installing particular versions when repo has newer versions?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you