An upgrade from 'zesty' to 'bionic' is not supported with this tool
129223
Ubuntu upgrade from 17.04 to 18.04
59559
How to upgrade Git on Ubuntu Hardy?
37908
drush/drush dev-master requires codegyre/robo ~1.0.0-beta1
154622
How do I resolve this installation error?
48809
"The upgrade has aborted" error, how to proceed?
86448
Can't install unity tweak tool
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
101714
Is there any way to roll back the most recent upgrade?
93908
How can I install the latest Netbeans?
149914
Geny motion failed to import OVA
106783
Bionic - Group addition using usermod -aG doesn't take effect until the next reboot
99568
How do I set MATE 1.6 to use Compiz?
26745
Skipping acquire of configured file 'contrib/binary-i386/Packages' as repository ... doesn't support architecture 'i386'
13970
Why am I not getting the Ubuntu 18.04 upgrade?
24165
Upgrade to version newer than repositories
150518
Version error when uploading Change Set