How to upgrade Ubuntu
1520
How to install software or upgrade from an old unsupported release?
16578
How to upgrade a single package using apt-get?
46043
Upgrade or replace a Wubi installation?
130579
how to upgrade a single package in debian
36703
How do I upgrade from 12.10 to 13.04?
32829
One single command to update everything in Ubuntu?
63514
How do I decide what version of Ubuntu to install?
72152
Upgrading 16.04 to 16.04.1
9738
How can I replace Windows with Ubuntu?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
63232
How to update kernel to the latest mainline version without any Distro-upgrade?
67359
Upgrade to the latest PHP version in Ubuntu
144507
No facility exists in Update Manager to upgrade to a new version, why?
132293
If I can, how do I install Ubuntu from Ubuntu?
102559
How to install package from newer distribution?
140371
Update Ubuntu 10.04
112536
Upgrading Ubuntu chroot environment?