upgrade from 13.10 to 14.04
12578
How do I upgrade to a newer version of Ubuntu?
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
77692
How do I update Drush to the latest available version?
144507
No facility exists in Update Manager to upgrade to a new version, why?
35093
Upgrading from the command line?
11556
Can I smoothly upgrade from one LTS to next LTS release?
16578
How to upgrade a single package using apt-get?
100135
What does "upgrade to 18.04" mean?
113942
Is it possible to install Python 3.x in 14.04 LTS, or upgrade from Python 2.7.6 to 2.7.8?
102559
How to install package from newer distribution?
129223
Ubuntu upgrade from 17.04 to 18.04
7580
How to safely upgrade from an older Ubuntu version to a newer one?
90512
Upgrading from 12.10 WUBI install to 13.04
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
98844
upgrade 14.04 with errors and shows red sign on top
31506
How do I update Ubuntu manually?
119169
Should I upgrade to 14.04 LTS?