13.04 will not show up as an upgrade on my update manager
211
Can I skip over releases when upgrading?
8353
How do I access my software updater if it doesn't display anywhere?
134080
Still can't upgrade? Is there a new delay?
135452
How do you see what packages are available for update
4660
Should I be offered the option to upgrade to 18.04.1?
118978
Not all updates can be installed: partial upgrade
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
87236
How to upgrade Ubuntu 12.04 to 13.10?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
113145
What does 'apt-get install update' do?
35190
"Software Updater" & "Software & Updates" not working
29191
Upgrade to 18.04 from 17.10
121201
Why can't I update applications without upgrading the whole OS?
2670
Why is "No new release found" when upgrading from a LTS to the next?
13107
How to install updates via command line?
52232
After upgrading to 13.04 Unity interface is not showing
140850
Why does do-release-upgrade on Xubuntu running version 18.04 not offer to update to 20.04.1?