RHEL, CenOS, Fedora

Red Hat Enterprise Linux (RHEL), CentOS, and Fedora use the DNF package manager for handling software installation, updates, and removal.

DNF Basics

DNF (Dandified Yum) is a package manager designed for RHEL, CentOS, Fedora, and related distributions.

Update Package Database

To ensure you have the latest package information, update the package database:

sudo dnf update

Install Packages

To install a package, use the dnf install command followed by the package name:

sudo dnf install [package_name]

Remove Packages

To remove a package:

sudo dnf remove [package_name]

Upgrade Packages

To upgrade all installed packages:

sudo dnf upgrade

Search for Packages

To search for packages by name:

dnf search [search_term]

Show Package Information

To display detailed information about a package:

dnf info [package_name]

Additional DNF Commands

Group Management

DNF can also manage package groups. To install a package group:

sudo dnf groupinstall [group_name]

Repositories

To list enabled repositories:

dnf repolist

Cleaning

To clean package cache and free up space:

sudo dnf clean all

RPM Fusion Repository

RPM Fusion is a third-party repository that provides additional packages for Fedora-based distributions. To enable it:

sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm

sudo dnf install https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm

Managing DNF Plugins

DNF has several plugins that provide additional functionalities. Some commonly used ones include:

• dnf-automatic: Automatically updates the system.
• dnf-plugin-system-upgrade: Supports system upgrades.

Keep Your System Updated

Regularly update your system to ensure security and stability:

sudo dnf upgrade

These commands should help you manage packages efficiently on your RHEL, CentOS, or Fedora system. Remember to use sudo to execute commands as a superuser when required.