The difference between simply installing software & adding to repository
7371
What are PPAs and how do I use them?
137065
Do I really need apt-daily.service and apt-daily-upgrade.service?
743
How do I enable the "Universe" repository?
154815
How do I add a repository from behind a proxy?
61177
How to set up an APT repository?
98636
What's the difference between a PPA and a repository?
79410
How do I find out which repository a package comes from?
121470
How to install 'add-apt-repository' using the terminal?
114040
Difference between installing SuperSU using Play Store versus a custom recovery that installs it from a file?
34314
Why are there 2 packages for some applications (e.g. Chromium) in Ubuntu Software?
56863
What are the differences between Desktop, Server, and Alternate Installs?
26745
Skipping acquire of configured file 'contrib/binary-i386/Packages' as repository ... doesn't support architecture 'i386'
144022
How to install a package from a local repository?
44509
Difference between "git add -A" and "git add ."
20954
Using git to manage /etc?
152479
Why are apt-get repositories hardcoded to a specific release?
16500
How do you merge two Git repositories?