Package Management & Software Installation Flashcards

Which command lists all files installed by a specific RPM package named 'httpd'?

Answer: rpm -ql httpd

rpm -ql (query list) shows all files installed by the specified package.

What does the 'dnf group install' command do on RHEL/CentOS systems?

Answer: Installs a predefined collection of related packages

dnf group install installs a package group, which is a curated set of related packages (e.g., 'Development Tools').

Which file in a Debian-based system contains the list of APT repository sources?

Answer: /etc/apt/sources.list

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

What command would you use to find which RPM package owns the file /usr/bin/python3?

Answer: rpm -qf /usr/bin/python3

rpm -qf (query file) identifies the package that owns a specified installed file.

Which dnf command is equivalent to 'yum localinstall package.rpm'?

Answer: dnf install ./package.rpm

In dnf, installing a local RPM file is done with 'dnf install ./package.rpm' using the explicit path.

What is the purpose of the 'apt-cache showpkg' command?

Answer: Displays package dependency and reverse-dependency information

apt-cache showpkg displays detailed information about a package including its dependencies and packages that depend on it.

Which command verifies the integrity of all installed RPM packages on a system?

Answer: rpm -Va

rpm -Va (verify all) checks all installed packages against the RPM database for file changes, permissions, and checksums.