Stuck upgrading from 15.10 to 16.04
70317
How to recover from a Nvidia fail on Ubuntu 16.04?
27352
Login broken after 15.10 -> 16.04 LTS upgrade, related to NVIDIA driver
86777
Distribution upgrade problem "No new release found"
5316
Update from 14.04 to 16.04 failed with GPG error
98511
16.04 Cannot install anything from Ubuntu Software center
7580
How to safely upgrade from an older Ubuntu version to a newer one?
4266
16.04 upgrade broke mysql-server
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
50810
No upgrade available for 19.04 from 18.10
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
39053
16.04 apt-get update hangs
72112
'starting version 219' bug after the 15.04 update
151579
Interrupted upgrade from 15.10 to 16.04, Ubuntu boots into black screen