Containers Challenges šŸ†

Practical Containers problems for all skill levels and interests

Copy Files To/From a Running Kubernetes Pod: a Distroless Image CaseĀ  Premium

Hard, Ā onĀ  Containers ,Ā  Kubernetes ,Ā  Submissions: 13/84
#kubectl #distroless #debugging

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

Easy, Ā onĀ  Containers ,Ā  Kubernetes ,Ā  Submissions: 49/75
#kubectl #debugging

Copy Files To/From a Running Docker ContainerĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 43/69
#docker #debugging

Extract the Filesystem of a Container ImageĀ 

Medium, Ā onĀ  Containers ,Ā  Submissions: 19/90
#container-images #debugging #docker

Edit a File in a Running Container: a Simple CaseĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 189/302
#debugging #docker

Edit a File in a Running Container: a Slim Base Image CaseĀ 

Medium, Ā onĀ  Containers ,Ā  Submissions: 102/141
#debugging #slim-images #distroless

Edit a File in a Running Kubernetes Pod: a Tricky CaseĀ 

Hard, Ā onĀ  Containers ,Ā  Kubernetes ,Ā  Submissions: 28/156
#debugging #slim-images #distroless

Pick the Right Distroless Base Image For Your ApplicationĀ  Premium

Hard, Ā onĀ  Containers ,Ā  Submissions: 16/42
#container-images #slim-images #distroless

When a FROM scratch Container Image Is Not Good EnoughĀ 

Medium, Ā onĀ  Containers ,Ā  Submissions: 47/146
#container-images #slim-images #distroless

What Port Does This Kubernetes Pod Listen On?Ā 

Medium, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 60/177
#debugging #slim-images #distroless

Send a Signal to a Kubernetes App: a Simple CaseĀ 

Easy, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 134/287
#debugging #kubectl #signals

Send a Signal to a Kubernetes App: a Non-Root Container CaseĀ  Premium

Hard, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 22/46
#ephemeral-containers #debugging #slim-images

Send a Signal to a Kubernetes App: a Slim Container CaseĀ 

Medium, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 64/154
#ephemeral-containers #debugging #slim-images

Create and Start a Container Manually With runcĀ  Premium

Hard, Ā onĀ  Containers ,Ā  Submissions: 8/85
#oci-runtime #runc #rootfs

Containers 101: Start a Container With ctrĀ 

Medium, Ā onĀ  Containers ,Ā  Submissions: 40/129
#containers-101 #containerd #ctr

Containers 101: Start a Container With contaiNERD CTL (nerdctl)Ā 

Easy, Ā onĀ  Containers ,Ā  Submissions: 89/149
#containers-101 #containerd #nerdctl

Containers 101: Start a Container With PodmanĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 90/145
#containers-101 #podman

Containers 101: Start a Container With DockerĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 195/372
#containers-101 #docker

Reproduce a Docker Bridge Network Using Basic Linux CommandsĀ  Premium

Hard, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 10/23
#netns #iptables #bridge

Connect Multiple Network NamespacesĀ 

Hard, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 20/66
#netns #veth #bridge

Connect Two Network NamespacesĀ 

Medium, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 53/119
#netns #veth #ip

Set Up Network Address Translation (NAT) for a ContainerĀ 

Medium, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 27/54
#netns #iptables #nat

Create a Linux Network NamespaceĀ 

Easy, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 170/258
#netns #nsenter #unshare

Network Access to a Container Started by ctrĀ 

Hard, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 30/49
#containerd #ctr #docker

Copying Files From Container Images Using ctrĀ  Premium

Hard, Ā onĀ  Containers ,Ā  Submissions: 13/15
#container-images #containerd #ctr

Label a Container Image Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 61/77
#container-images #containerd #ctr

Pulling Container Images Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 90/126
#container-images #containerd #ctr

Tagging and Pushing Container Images Using ctrĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 72/105
#container-images #containerd #ctr

Reading Container Image Labels Using ctrĀ  Premium

Medium, Ā onĀ  Containers ,Ā  Submissions: 13/21
#container-images #containerd #ctr

Access a Docker Container With No Published PortsĀ 

Medium, Ā onĀ  Linux ,Ā  Containers ,Ā  Networking ,Ā  Submissions: 91/137
#containerd #ctr #docker

Execute a Command in a Docker Container Using ctrĀ 

Medium, Ā onĀ  Containers ,Ā  Submissions: 25/37
#containerd #ctr #docker

Working With containerd NamespacesĀ 

Easy, Ā onĀ  Containers ,Ā  Submissions: 66/148
#containerd #ctr #docker

Kubernetes Pod With a Faulty Init SequenceĀ 

Medium, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 37/168
#sidecar #init-containers

Kubernetes Pod With a Sleepy Init SequenceĀ 

Medium, Ā onĀ  Kubernetes ,Ā  Containers ,Ā  Submissions: 30/141
#sidecar #init-containers
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