apt (Debian/Ubuntu) basics in Linux CLI - Mini Project: Build & Apply

apt (Debian/Ubuntu) basics

📖 Scenario: You are managing a Debian or Ubuntu system. You want to learn how to use apt commands to check for updates, install software, and verify installed packages.

🎯 Goal: Learn to use basic apt commands to update package lists, install a package, and check installed packages.

📋 What You'll Learn

Use apt update to refresh package lists

Use apt install to install a specific package

Use apt list --installed to list installed packages

💡 Why This Matters

🌍 Real World

System administrators and users often need to install, update, and manage software packages on Debian or Ubuntu systems using <code>apt</code>.

💼 Career

Knowing basic <code>apt</code> commands is essential for Linux system administration, DevOps roles, and software development environments using Debian-based Linux.

1

Update package lists

Type the command sudo apt update to refresh the package lists from the repositories.

Linux CLI

# Type the command to update package lists
# Your code here

Need a hint?

This command downloads the latest package information so your system knows about new versions.

2

Install the curl package

Type the command sudo apt install curl to install the curl package.

Linux CLI

sudo apt update
# Type the command to install curl
# Your code here

Need a hint?

This command downloads and installs the curl tool for transferring data with URLs.

3

List installed packages

Type the command apt list --installed to show all installed packages on your system.

Linux CLI

sudo apt update
sudo apt install curl
# Type the command to list installed packages
# Your code here

Need a hint?

This command lists all packages currently installed on your system.

4

Show installed version of curl

Type the command apt list --installed | grep curl to find the installed version of curl.

Linux CLI

sudo apt update
sudo apt install curl
apt list --installed
# Type the command to show installed curl package details
# Your code here

Need a hint?

This command filters the installed packages list to show only lines containing curl.