upgrading Ubuntu 11.10 to 16.04LTS - can I skip in between upgrades?
211
Can I skip over releases when upgrading?
58979
How can I upgrade Ubuntu LTS to the next one offline?
66915
How to request a package upgrade in the next Ubuntu release
29191
Upgrade to 18.04 from 17.10
132533
back-up: which patitions to back-up before upgrading/reinstalling
16428
Upgrade to the latest PHP version in ubuntu 16.04
42346
Why does Ubuntu release version at x.04 and x.10?
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
109624
How do I tell apt to never upgrade a particular package?
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
77705
Unable to upgrade in ubuntu
87236
How to upgrade Ubuntu 12.04 to 13.10?
23713
What is "dist-upgrade" and why does it upgrade more than "upgrade"?
31506
How do I update Ubuntu manually?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?