Is it safe to remove source code PPA?
9896
How do I get and modify the source code of packages installed through apt-get?
50569
What kind of content is in the Canonical Partners repository? Is it as secure & safe as the Main repo?
113493
How to remove disabled (unused) snap packages with a single line of command?
111573
What's the best way to re-enable PPAs/repos after an upgrade?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
50991
What is the Difference Between `apt-get purge` and `apt-get remove`?
69765
How do I cherry pick packages from a PPA?
66289
How to hide add-on source code
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
8282
Are PPAs safe to add to my system and what are some "red flags" to watch out for?
44613
PPA & Packaging: Having versions of packages for multiple distros
106396
How do I detect and remove Python packages installed via pip?
107426
Practices for hiding the executable code of compiled applications
157525
How to delete old versions of same packages from a Local Repository?
26662
What is the correct way to completely remove an application?
22030
What testing is done to make sure no packages in the repos have malware?
1687
How to revert software sources back to default?