Challenges

Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.

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Official Collection

Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Linux, Networking

Enable Internet Access for a Private Network with a NAT Gateway

by Ivan Velichko

Configure a Linux NAT gateway to give Internet access to private RFC 1918 networks while keeping them hidden from the outside world.

#ip #routing #nat #iptables #gateway

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Hard, on Linux, Containers, Networking

Reproduce a Docker Bridge Network Using Basic Linux Commands

by Ivan Velichko

The culmination of the Docker networking challenges series. Can you create a Docker-like bridge network from scratch and using nothing but basic Linux commands.

#container-networking #netns #bridge #nat #ip

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Linux, Containers, Networking

Set Up Network Address Translation (NAT) for a Container

by Ivan Velichko

There is a container that seems to have access to all host's interfaces but for some reason cannot call any addresses outside of the host. Can you fix it?

#container-networking #netns #iptables #nat #ip