What is Ubuntu base update?
108670
Daily Ubuntu base update
72082
Is using Software Updater the same thing as running apt-get update and apt-get upgrade?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
34373
Where can I get the latest Ubuntu Alpha or Beta?
120229
Understanding various update and upgrade commands
21528
How can I find the version of Ubuntu that is installed?
5242
How to update software installed via .deb file
12578
How do I upgrade to a newer version of Ubuntu?
2236
Why don't the Ubuntu repositories have the latest versions of software?
13107
How to install updates via command line?
61311
Difference between update servers
41964
Where is the update to 14.04.1 in update-manager?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
16753
Why should I regularly run 'apt-get update' and similar commands?
43917
What is the difference between apt-get update and upgrade?
41360
A question about the last security update for Ubuntu ("ATTENTION: Due to an unavoidable ABI change...")
94621
archive.ubuntu.com missing raring-updates