Containers Playgrounds

Remote sandboxes for learning and experimentation — fresh Linux VMs, Docker hosts, or Kubernetes clusters in seconds.

Playground on  Kubernetes, Containers, Security

OpenClaw on K3s with agent-sandbox + gVisor

A 3-node K3s cluster with gVisor (runsc), the kubernetes-sigs/agent-sandbox controllers, and the OpenClaw + gVisor example pre-deployed. OpenClaw's Control UI is available as a dedicated tab.

Playground on  Linux, Containers

Docker on Btrfs

Hands-on Docker on Btrfs: experiment with native snapshots, compression, and checksums; inspect setup, grow the filesystem live, and back up/restore images and containers.