I can't upgrade from Ubuntu11.10 to 12.04
1520
How to install software or upgrade from an old unsupported release?
29191
Upgrade to 18.04 from 17.10
144507
No facility exists in Update Manager to upgrade to a new version, why?
149984
Can't update or install anything. Ubuntu 3.11.0.14
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
113056
How to upgrade from 12.04 to 12.10 using CD?
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
87236
How to upgrade Ubuntu 12.04 to 13.10?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
90512
Upgrading from 12.10 WUBI install to 13.04
48809
"The upgrade has aborted" error, how to proceed?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
110148
Why does `do-release-upgrade` skip a version?
72152
Upgrading 16.04 to 16.04.1
65099
Unable to install any updates through update manager/apt-get upgrade
17645
Unable to upgrade pip
2670
Why is "No new release found" when upgrading from a LTS to the next?