16.04 Update not offered via update manager
2670
Why is "No new release found" when upgrading from a LTS to the next?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
130118
Ubunutu 18.04 Updates 404 error
63200
Windows 8.1 update not showing
2236
Why don't the Ubuntu repositories have the latest versions of software?
13107
How to install updates via command line?
12578
How do I upgrade to a newer version of Ubuntu?
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
39053
16.04 apt-get update hangs
12614
Upgrade problem
15687
How do I resume a release upgrade?
135452
How do you see what packages are available for update
41964
Where is the update to 14.04.1 in update-manager?
118978
Not all updates can be installed: partial upgrade
43917
What is the difference between apt-get update and upgrade?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
86777
Distribution upgrade problem "No new release found"