Help! Trying to upgrade 18.04 to 20.04.1, but upgrade button does nothing
3913
Is the "Final Release" a "Development Release"?
65099
Unable to install any updates through update manager/apt-get upgrade
154526
How to upgrade to GNOME 3.30 on Ubuntu 18.04.1
125703
Is there a way to run an update and upgrade in one command?
66915
How to request a package upgrade in the next Ubuntu release
51768
Could not calculate the upgrade, what happened?
67481
How to revert a do-release-upgrade?
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
129223
Ubuntu upgrade from 17.04 to 18.04
103929
sudo apt upgrade error 18.04 (Broken Packages)
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
151605
upgrading from 15.10 to 16.04 apt not installed
76241
"no public key available" while upgrading using update-manager
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
116445
"Can't check signature: public key not found" while upgrading, why?