Does client OS verify packages downloaded from Ubuntu main repository?
47062
How is the authenticity of Ubuntu updates verified?
75915
Where can I find a complete list of packages that I have installed after initial installation?
39012
How does Ubuntu flavor iso differ from a desktop package?
22736
How do I find the build dependencies of a package?
86921
How do I check if a package is installed on my server?
67561
How do I find what packages I've installed via terminal?
129891
How to verify if the client files are the same as the server files?
49658
Elegant way to check for missing packages and install them?
68366
Checking installed packages
116937
Why apt can't find the source code of any package?
50569
What kind of content is in the Canonical Partners repository? Is it as secure & safe as the Main repo?
91008
How can I verify the authenticity of an APK file I downloaded?
138270
Is there a way to determine what packages or libraries should be loaded to support an executable?
79410
How do I find out which repository a package comes from?
94603
Where are packages stored installed with APT in Ubuntu 16.04?
81981
How to test if package is installed?
89366
Which package version am I using?