Chapter 9: Package Management Answers

#!/bin/bash
# @type: executable
# @requires: none
# @safe: yes
set -euo pipefail

# Exercise 1: Use DNF to search for packages related to the "network" term, 
# listing only packages that are not yet installed.
#
# Task: Search for available network-related packages.

sudo dnf list available *network*

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 2: Install the zsh package using DNF, ensuring the installation proceeds 
# without any interactive prompts.
#
# Task: Install zsh package non-interactively.

sudo dnf install -y zsh

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 3: Remove the zsh package and any dependencies that are no longer needed, 
# using a single DNF command.
#
# Task: Uninstall zsh and clean up unused dependencies.

sudo dnf remove -y zsh

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 4: Display a detailed description and list of packages (mandatory, default, and optional) 
# included in the "Legacy UNIX Compatibility" package group.
#
# Task: Show information about a package group.

sudo dnf group info "Legacy UNIX Compatibility"

#!/bin/bash
# @type: executable
# @requires: none
# @safe: yes
set -euo pipefail

# Exercise 5: Determine which installed RPM package owns the /etc/filesystems file.
#
# Task: Find the package that provides a specific file.

rpm -qf /etc/filesystems

#!/bin/bash
# @type: executable
# @requires: none
# @safe: yes
set -euo pipefail

# Exercise 6: Use the rpm command to list all files included in the installed bash package.
#
# Task: Display all files provided by the bash package.

sudo rpm -ql bash

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 7: Use the dnf config-manager utility to enable the 
# codeready-builder-for-rhel-10-x86_64-rpms repository.
#
# Task: Enable a DNF repository.

sudo dnf config-manager --enable codeready-builder-for-rhel-10-x86_64-rpms

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 8: Install virt-manager package.
#
# Task: Install the virt-manager virtualization management tool.

sudo dnf install -y virt-manager

#!/bin/bash
# @type: executable
# @requires: none
# @safe: yes
set -euo pipefail

# Exercise 9: Write the flatpak command to add the Flathub remote repository only 
# for the current user, without system-wide privileges, and only if the remote doesn't already exist.
#
# Task: Add Flathub repository for user-level flatpak installations.

flatpak remote-add --user --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

echo "Flathub repository added for current user."

#!/bin/bash
# @type: executable
# @requires: root
# @safe: no
set -euo pipefail

# Exercise 10: Install Gimp from Flathub.
#
# Task: Install the GIMP image editor using flatpak.

flatpak install flathub org.gimp.GIMP

echo "GIMP has been installed via Flatpak."