Updating Kubuntu to new release
12578
How do I upgrade to a newer version of Ubuntu?
64198
How to update grub on a dual boot machine?
54169
How to properly update Grub in Hosted environment
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
77692
How do I update Drush to the latest available version?
117112
Why isn't Ubuntu moving its repositories to old-releases anymore?
93942
How to fix "Failed to download repository information" error while updating?
155154
I am currently using 19.04 and I got "No new release found for 19.10"
27534
How do I install and use the latest version of GNOME?
40100
How do I install and uninstall kubuntu desktop environment?
73768
How to install Kubuntu on other hard disk
63176
How can I update to Ubuntu 21.04?
5882
How to upgrade Ubuntu from an ISO image
140371
Update Ubuntu 10.04
129223
Ubuntu upgrade from 17.04 to 18.04
63278
Update Linux Subsystem on Windows (Ubuntu) to 16.04
52190
How and when is old-releases.ubuntu.com updated?