Linux Package Management 5

Question 1

What is the function of `apt-get -f install`?

Accepted Answer

Fixes broken package dependencies

Answer

`apt-get -f install` (fix-broken) attempts to repair a system with broken dependencies by installing or removing packages as needed.

Question 2

Which command would you use to add a new Flatpak remote repository named 'flathub'?

Accepted Answer

flatpak remote-add --if-not-exists flathub <url>

Answer

`flatpak remote-add` registers a new remote repository, and `--if-not-exists` prevents an error if it's already configured.

Question 3

What does `rpm --rebuilddb` do?

Accepted Answer

Rebuilds the RPM database from installed package headers

Answer

`rpm --rebuilddb` reconstructs the RPM database files from the installed package headers, used to fix a corrupted database.

Question 4

How do you prevent a specific package from being upgraded with `apt-mark`?

Accepted Answer

apt-mark hold package

Answer

`apt-mark hold package` marks a package so that `apt-get upgrade` and `apt upgrade` skip it.

Question 5

Which `dnf` module command switches a module stream to a different version?

Accepted Answer

dnf module switch-to

Answer

`dnf module switch-to` changes the active stream of a module (e.g., switching PHP from 7.4 to 8.0) and updates packages accordingly.

Linux Practice Test