Downgrade Ubuntu 12.10 to 12.04
2136
How to roll back Ubuntu to a previous version?
24165
Upgrade to version newer than repositories
7095
How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?
36529
How to revert an update?
108999
Downgrading from SQL Server 2008 to 2005
118307
Why does upgrade from 12.04 to 12.10 using a CD/DVD still require download?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
3612
Can I downgrade to Mavericks after installing Yosemite (beta/developer preview)?
68597
Will upgrading Ubuntu remove installed software?
126343
How to downgrade a package via apt-get?
112536
Upgrading Ubuntu chroot environment?
71348
Downgrading sfdx-cli
7521
Revert Android Update 4.0 to 3.0/3.2
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
89166
How to downgrade Kernel
38590
How do I suppress the "New release '12.10' available" message?
30645
How to install (old) packages for Ubuntu 9.04?