Linux Package Management 2

Question 1

Which command shows the installation history of packages on an RPM-based system?

Accepted Answer

yum history

Answer

`yum history` displays a list of all past yum transactions including installs, updates, and removals.

Question 2

On a Debian system, which file lists the configured APT repositories?

Accepted Answer

/etc/apt/sources.list

Answer

`/etc/apt/sources.list` (and files in `/etc/apt/sources.list.d/`) define where APT looks for packages.

Question 3

What does `rpm -V package-name` do?

Accepted Answer

Checks installed files against the RPM database

Answer

`rpm -V` (verify) compares the installed files of a package against metadata stored in the RPM database to detect changes.

Question 4

Which `dnf` command would you use to find which package provides the `/usr/bin/python3` binary?

Accepted Answer

dnf provides /usr/bin/python3

Answer

`dnf provides <path>` queries which package owns or provides a given file or capability.

Question 5

What is a key purpose of the `dpkg --get-selections` command?

Accepted Answer

Export the list of installed packages

Answer

`dpkg --get-selections` outputs all package selections (installed, deinstalled, etc.), commonly used to backup and restore package lists.

Linux Practice Test