problems upgrading ubuntu focal fossa
103103
How do I switch to a closer Ubuntu mirror?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
95210
APT wedged by kernel version mismatch
16526
Should I upgrade to the "mainline" kernels?
132933
Is there a tool to update my PPA sources.list entries after upgrading?
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
37419
How to upgrade pulseaudio
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
140470
How do I update kernel to the latest mainline version?
7357
upgrade to 13.10 stalled and restart failed
87236
How to upgrade Ubuntu 12.04 to 13.10?
5882
How to upgrade Ubuntu from an ISO image
127766
how to upgrade my Debian package with minor changes
87297
Does upgrading Ubuntu respect my existing partitions?
49161
Upgrade manager wants me to do a partial upgrade
35146
Will apt-get dist-upgrade upgrade my system to newer version?