Is it required to update from Ubuntu 12.04 to 14.04?
119595
Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?
142310
Ubuntu 12.04 software upgrade does not show 12.10 upgrade
16526
Should I upgrade to the "mainline" kernels?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
421
How do I update a Drupal distribution to a newer version?
140470
How do I update kernel to the latest mainline version?
211
Can I skip over releases when upgrading?
125976
What Happens When I Upgrade Ubuntu?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
124563
Will Ubuntu minimal cd install ubuntu-desktop on release upgrade or just installed packages?
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
140371
Update Ubuntu 10.04
9578
Are security.ubuntu.com updates eventually merged into normal updates?
97346
Is it possible to skip releases during an upgrade?
121201
Why can't I update applications without upgrading the whole OS?
83960
How do I change my update server in Ubuntu 18.04?
66915
How to request a package upgrade in the next Ubuntu release