How to upgrade Ubuntu to specific version?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
131371
How can I install a newer kernel?
130579
how to upgrade a single package in debian
77705
Unable to upgrade in ubuntu
99668
How can I tell what version of Linux I'm using?
52190
How and when is old-releases.ubuntu.com updated?
479
How can I boot with an older kernel version?
75380
upgrading glibc to a version at least 2.17 or higher in ubuntu 12.04 LTS?
33651
How to upgrade from Ubuntu 12.10 to 14.04
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
94545
How to update ubuntu's python with latest version from source?
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
84349
How to know default software version for all Ubuntu software for a specific Ubuntu version?
158735
How to update Wine to the latest version?
95336
Installing particular versions when repo has newer versions?
87297
Does upgrading Ubuntu respect my existing partitions?
109624
How do I tell apt to never upgrade a particular package?