How to check updates installed?
118645
Where can I look up my update history?
8353
How do I access my software updater if it doesn't display anywhere?
109126
How to know the time/date of when the packages are installed?
55857
How do I get a list of obsolete packages?
81115
Find what packages are installed from a repository
35508
How to find program name(s) of an installed package?
89603
How can I know if reboot is required after update?
73749
How to find manually installed packages?
49658
Elegant way to check for missing packages and install them?
138747
How to list installed packages in apt that are not backed by a repository?
38313
Checking if Ubuntu package contains desired update
47062
How is the authenticity of Ubuntu updates verified?
34581
Be notified of an update to an app that is not installed
80106
How do I enable automatic updates?
90822
How can I install just security updates from the command line?
8052
How can I check the integrity of a downloaded Ubuntu CD?
13107
How to install updates via command line?