yum/dnf (RHEL/CentOS) basics in Linux CLI - Mini Project: Build & Apply

Basic Package Management with yum/dnf on RHEL/CentOS

📖 Scenario: You are managing a Red Hat Enterprise Linux (RHEL) or CentOS server. You need to install, update, and check packages using the yum or dnf package manager.This project will guide you through basic commands to handle packages safely and efficiently.

🎯 Goal: Learn to list installed packages, install a new package, update existing packages, and check package info using yum or dnf.

📋 What You'll Learn

Use yum or dnf commands to manage packages

List installed packages

Install a specific package

Update all packages

Show detailed info about a package

💡 Why This Matters

🌍 Real World

System administrators often need to manage software packages on RHEL or CentOS servers to keep systems secure and functional.

💼 Career

Knowing basic package management commands is essential for Linux system administrators and DevOps engineers working with RHEL-based systems.

1

List installed packages

Run the command yum list installed to display all installed packages on the system.

Linux CLI

# Run the command to list installed packages
# Your code here

Need a hint?

This command shows all packages currently installed on your system.

2

Install the 'nano' text editor package

Use the command yum install nano -y to install the nano text editor without asking for confirmation.

Linux CLI

yum list installed
# Install the nano package without confirmation
# Your code here

Need a hint?

The -y option automatically answers yes to prompts.

3

Update all packages

Run the command yum update -y to update all installed packages to their latest versions without confirmation prompts.

Linux CLI

yum list installed
yum install nano -y
# Update all packages without confirmation
# Your code here

Need a hint?

Updating keeps your system secure and up to date.

4

Show detailed info about the 'nano' package

Use the command yum info nano to display detailed information about the installed nano package.

Linux CLI

yum list installed
yum install nano -y
yum update -y
# Show detailed info about nano package
# Your code here

Need a hint?

This command shows version, repository, and description of the package.