Linux Challenges 🏆

Practical Linux problems for all skill levels and interests

Make a Kubernetes Pod Survive an OOM Event Without Restarting 

Hard,  on  Kubernetes ,  Containers ,  Linux ,  Submissions: 2/16
#pod-resources #cgroups #oom

Limit CPU and Memory Usage of a Docker Compose Application 

Medium,  on  Containers ,  Linux ,  Submissions: 8/19
#docker #docker-compose #cgroups

Make the Container Exit When One of Its Processes Runs Out of Memory 

Medium,  on  Containers ,  Linux ,  Submissions: 8/30
#docker #cgroups #systemd

Kill the Entire Process Group When One Process Runs Out of Memory 

Medium,  on  Linux ,  Submissions: 8/24
#cgroups #oom

Limit CPU and Memory Usage of a Linux Process 

Easy,  on  Linux ,  Submissions: 13/42
#cgroups

Forward a Port Using the Hackers' Swiss Army Knife: netcat  Premium

Medium,  on  Linux ,  Networking ,  Submissions: 24/79
#port-forwarding #netcat

Forward a Port Using The Multipurpose Relay Tool: socat 

Easy,  on  Linux ,  Networking ,  Submissions: 145/253
#port-forwarding #socat

Forward a Port Without Starting a Proxy Process 

Medium,  on  Linux ,  Networking ,  Submissions: 50/180
#port-forwarding #iptables

Reproduce a Docker Bridge Network Using Basic Linux Commands  Premium

Hard,  on  Linux ,  Containers ,  Networking ,  Submissions: 13/29
#netns #iptables #bridge

Connect Multiple Network Namespaces 

Hard,  on  Linux ,  Containers ,  Networking ,  Submissions: 36/109
#netns #veth #bridge

Connect Two Network Namespaces 

Medium,  on  Linux ,  Containers ,  Networking ,  Submissions: 77/167
#netns #veth #ip

Set Up Network Address Translation (NAT) for a Container 

Medium,  on  Linux ,  Containers ,  Networking ,  Submissions: 38/71
#netns #iptables #nat

Create a Linux Network Namespace 

Easy,  on  Linux ,  Containers ,  Networking ,  Submissions: 227/334
#netns #nsenter #unshare

Network Access to a Container Started by ctr 

Hard,  on  Linux ,  Containers ,  Networking ,  Submissions: 43/71
#containerd #ctr #docker

Access a Docker Container With No Published Ports 

Medium,  on  Linux ,  Containers ,  Networking ,  Submissions: 111/163
#containerd #ctr #docker
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