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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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, Hard, on Linux, Containers, Networking

Connect Multiple Network Namespaces

by Ivan Velichko

Prove your mastery of Linux and containers by connecting multiple network namespaces into a single network.

#container-networking #netns #veth #bridge #ip

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

Challenge, Medium, on Linux, Containers, Networking

Connect Two Network Namespaces

by Ivan Velichko

Prove your Linux networking skills by connecting two network namespaces with a virtual Ethernet device.

#container-networking #netns #veth #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

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

Challenge, Easy, on Linux, Containers, Networking

Create a Linux Network Namespace

by Ivan Velichko

Learn how to create fully isolated virtual network environment using Linux network namespaces.

#container-networking #netns #nsenter #unshare #ip