Ubuntu 14.04 to 18.04 do-release-upgrade: "No new release found"
1520
How to install software or upgrade from an old unsupported release?
81570
What does `--frontend` do in `do-release-upgrade` and where can I find the list of possible values?
60659
Install newer package version from trusty-backports
43648
Why isn't an upgrade to 20.04 from 18.04 available yet?
19288
Update manager doesn't offer an upgrade to the new release
114305
On really old Ubuntu 6.06 - How to upgrade
30754
Cannot update: "No available releases found"
473
I installed an alpha or beta, am I up to date with the final release if I keep upgrading?
149984
Can't update or install anything. Ubuntu 3.11.0.14
54571
How do I install the latest version of Git with apt?
41964
Where is the update to 14.04.1 in update-manager?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
9901
How to upgrade from 18.10 to 19.10, using the command line?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
100135
What does "upgrade to 18.04" mean?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
2670
Why is "No new release found" when upgrading from a LTS to the next?