Ubuntu 15.10 upgrade
87297
Does upgrading Ubuntu respect my existing partitions?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
77705
Unable to upgrade in ubuntu
124563
Will Ubuntu minimal cd install ubuntu-desktop on release upgrade or just installed packages?
145283
Can I install from a Windows 10 ISO or USB stick and still get the free upgrade?
157020
Better Way To Install Ubuntu 15.10 Without Making Partitions
87236
How to upgrade Ubuntu 12.04 to 13.10?
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
36703
How do I upgrade from 12.10 to 13.04?
153774
Upgrade to Ubuntu 13.10 from ISO image
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
49161
Upgrade manager wants me to do a partial upgrade
16526
Should I upgrade to the "mainline" kernels?
120436
Point Release upgrade from 14.04.1 to 14.04.2?
63431
What version of ubuntu is to be installed in dell-mini-10?
100135
What does "upgrade to 18.04" mean?