Upgrade an unsupported release of Ubuntu(Ubuntu 10.04)!
1520
How to install software or upgrade from an old unsupported release?
110148
Why does `do-release-upgrade` skip a version?
51350
While updating the ubuntu 16.04 does not have a Release file Error
77705
Unable to upgrade in ubuntu
63278
Update Linux Subsystem on Windows (Ubuntu) to 16.04
80233
Upgrade to 20.04 from 19.10 isn't available
43648
Why isn't an upgrade to 20.04 from 18.04 available yet?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
97346
Is it possible to skip releases during an upgrade?
211
Can I skip over releases when upgrading?
2136
How to roll back Ubuntu to a previous version?
107792
Update information outdated, "Failed to fetch cdrom"
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
33651
How to upgrade from Ubuntu 12.10 to 14.04
967
How can I avoid "please insert CD/DVD" error when updating Ubuntu?