Challenges šŸ†

Practical DevOps problems for all skill levels and interests

Deploy a Resource-Greedy Pod Without Breaking the Kubernetes ClusterĀ 

Easy, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 15/42
#kubernetes-101 #pod-resources #cgroups

Limit CPU and Memory Usage of a Linux ProcessĀ 

Easy, Ā onĀ  Linux ,Ā  Submissions: 13/42
#cgroups

Docker Scout: Remediating CVEs in a Container ImageĀ 

Easy, Ā onĀ  Containers ,Ā  Security ,Ā  Submissions: 43/141
#docker-scout #docker

Create Your First Dagger ModuleĀ 

Easy, Ā onĀ  CI/CD ,Ā  Submissions: 27/79
#dagger #docker

Install the Dagger CLI on a Linux HostĀ 

Easy, Ā onĀ  CI/CD ,Ā  Submissions: 61/83
#dagger #docker

Copy Files To/From a Running Kubernetes Pod: a Simple CaseĀ 

Easy, Ā onĀ  Containers ,Ā  Kubernetes ,Ā  Submissions: 113/162
#kubectl #debugging

Copy Files To/From a Running Docker ContainerĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 87/150
#docker #debugging

Edit a File in a Running Container: a Simple CaseĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 235/362
#debugging #docker

Send a Signal to a Kubernetes App: a Simple CaseĀ 

Easy, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 160/351
#debugging #kubectl #signals

Start and Inspect a Container With contaiNERD CTL (nerdctl)Ā 

Easy, Ā onĀ  Containers ,Ā  Submissions: 108/178
#containers-101 #containerd #nerdctl

Start and Inspect a Container With PodmanĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 102/161
#containers-101 #podman

Start and Inspect a Container With DockerĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 233/433
#containers-101 #docker

Forward a Port Using The Multipurpose Relay Tool: socatĀ 

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

Create a Linux Network NamespaceĀ 

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

Label a Container Image Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 79/98
#container-images #containerd #ctr

Pulling Container Images Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 115/159
#container-images #containerd #ctr

Tagging and Pushing Container Images Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 92/132
#container-images #containerd #ctr

Working With containerd NamespacesĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 80/175
#containerd #ctr #docker
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