Challenges

Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including 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, 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, Medium, on Linux, Containers, Networking

Access a Docker Container With No Published Ports

by Ivan Velichko

Learn a bunch of Linux networking tricks while trying to access an Nginx server running inside a Docker container with no published ports.

docker debugging socket ip