Upgrade from 12.04 to 14.04 problems
2670
Why is "No new release found" when upgrading from a LTS to the next?
20398
dpkg broken after 15.04 upgrade fail
141240
Problem booting after updating from Ubuntu 14.10 to 15.04
129143
Error upgrading to High Sierra
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
48809
"The upgrade has aborted" error, how to proceed?
142310
Ubuntu 12.04 software upgrade does not show 12.10 upgrade
211
Can I skip over releases when upgrading?
35566
Kernel did not upgrade between 14.04 LTS to 16.04 LTS
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
75621
Store won't open after upgrade
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
3969
Can't login to Ubuntu 14.04 after upgrade
119169
Should I upgrade to 14.04 LTS?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?