Ubuntu 19.10 upgrade to 20.04 (out of date)
1520
How to install software or upgrade from an old unsupported release?
66915
How to request a package upgrade in the next Ubuntu release
2670
Why is "No new release found" when upgrading from a LTS to the next?
74079
How to Upgrade Ubuntu 12.04.2, 12.04.3 to 12.04.4, the next Hardware Enablement Stack?
12614
Upgrade problem
154072
Ubuntu 17.10 doesn't show up in update-manager
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
31506
How do I update Ubuntu manually?
103929
sudo apt upgrade error 18.04 (Broken Packages)
127766
how to upgrade my Debian package with minor changes
127206
Python error when upgrading from 18.10 to 19.04
12578
How do I upgrade to a newer version of Ubuntu?
42346
Why does Ubuntu release version at x.04 and x.10?
100135
What does "upgrade to 18.04" mean?
16050
Can I upgrade Xubuntu 18.04 32-bit?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
110896
Package installation - Outdated repository