How do I upgrade from a rather old (17.04) version of Ubuntu to the current version?
1520
How to install software or upgrade from an old unsupported release?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
31506
How do I update Ubuntu manually?
61516
Where can I get the repositories for old Ubuntu versions?
144507
No facility exists in Update Manager to upgrade to a new version, why?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
75380
upgrading glibc to a version at least 2.17 or higher in ubuntu 12.04 LTS?
67365
How to install another Ubuntu alongside different version of Ubuntu?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
58979
How can I upgrade Ubuntu LTS to the next one offline?
421
How do I update a Drupal distribution to a newer version?
40021
How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
16050
Can I upgrade Xubuntu 18.04 32-bit?
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
21323
Where can I download the latest release of Ubuntu?
36703
How do I upgrade from 12.10 to 13.04?