Is it possible to de-upgrade from Ubuntu 16.10 (Yakketi Yak) to 16.04 (Xenial Xerus) ?
2136
How to roll back Ubuntu to a previous version?
3612
Can I downgrade to Mavericks after installing Yosemite (beta/developer preview)?
75798
How to upgrade to the latest GNOME version?
66220
How can I instruct yum to install a specific version of package X?
140850
Why does do-release-upgrade on Xubuntu running version 18.04 not offer to update to 20.04.1?
72152
Upgrading 16.04 to 16.04.1
10709
Can i upgrade ubuntu without losing my apps and files?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
125976
What Happens When I Upgrade Ubuntu?
29191
Upgrade to 18.04 from 17.10
132495
14.04.5 to 16.04 Update failed - xenial.tar.gz.gpg missing
58979
How can I upgrade Ubuntu LTS to the next one offline?
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
109902
Will I lose the already installed applications if I upgrade from ubuntu 18.04 to 20.04
129223
Ubuntu upgrade from 17.04 to 18.04
35093
Upgrading from the command line?