Lesson 5: The Digital Postman (Networking)

Servers need to talk to each other. Understanding basic networking is what separates a "user" from a "DevOps Engineer".

Essential Networking Tools

• ip addr: Shows your network interfaces and IP addresses.
• ping: Checks if another server is "awake".
• curl: Downloads content from the web (essential for APIs).

Mission Objective

Check if this container has internet access by pinging a public server.

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