What do I backup prior to upgrading 16.04 to 18.04?
102356
Adding second SSD with existing ubuntu and make it bootable
100135
What does "upgrade to 18.04" mean?
61527
How to backup 20+TB of data?
150179
How do I create custom backup script?
114305
On really old Ubuntu 6.06 - How to upgrade
129223
Ubuntu upgrade from 17.04 to 18.04
131490
How do I save Updates/Installed Packages?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
89856
How to resume the interrupted upgrade from 14.10 to 15.04?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
83960
How do I change my update server in Ubuntu 18.04?
102941
Which Folders To Include In backup?
62279
18.04: How to get Wayland back after upgrade to 18.04?
101714
Is there any way to roll back the most recent upgrade?
107895
What's needed for a complete backup system?
4660
Should I be offered the option to upgrade to 18.04.1?
35243
Is it safe to do-release-upgrade from 12.04.4 to 14.04.1?