SSH connection basics in Linux CLI - Mini Project: Build & Apply

SSH Connection Basics

📖 Scenario: You are learning how to connect securely to a remote computer using SSH (Secure Shell). This is like making a private phone call to a friend's computer to work on it from your own machine.

🎯 Goal: You will create a simple SSH command to connect to a remote server using a username and IP address.

📋 What You'll Learn

Create a variable called username with the exact value user123.

Create a variable called server_ip with the exact value 192.168.1.10.

Use the variables to build an SSH command string called ssh_command in the format ssh user123@192.168.1.10.

Print the ssh_command to show the full SSH command.

💡 Why This Matters

🌍 Real World

SSH is used daily by system administrators and developers to securely access remote servers and manage them from anywhere.

💼 Career

Knowing how to build and use SSH commands is essential for IT jobs, cloud computing, and remote work setups.

1

Set up username variable

Create a variable called username and set it to the exact string user123.

Linux CLI

# Create the username variable
# Your code here

Need a hint?

Use username="user123" to store the username.

2

Set up server IP variable

Create a variable called server_ip and set it to the exact string 192.168.1.10.

Linux CLI

username="user123"
# Create the server_ip variable
# Your code here

Need a hint?

Use server_ip="192.168.1.10" to store the IP address.

3

Build the SSH command string

Create a variable called ssh_command that combines username and server_ip into the string ssh user123@192.168.1.10 using string interpolation.

Linux CLI

username="user123"
server_ip="192.168.1.10"
# Build the ssh_command string
# Your code here

Need a hint?

Use ssh_command="ssh ${username}@${server_ip}" to build the command.

4

Print the SSH command

Print the variable ssh_command to display the full SSH command.

Linux CLI

username="user123"
server_ip="192.168.1.10"
ssh_command="ssh ${username}@${server_ip}"
# Print the ssh_command
# Your code here

Need a hint?

Use echo "$ssh_command" to print the command.