DevOps Playgrounds

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

Playground on  Kubernetes, Observability

HotROD + Jaeger on K3s

Jaeger's HotROD demo app pre-deployed on a 3-node K3s cluster, wired to a Jaeger v2 all-in-one over OTLP. Click a customer, then read the trace.

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  Kubernetes, Observability

OpenTelemetry Demo on k3s

A snapshot-backed three-node k3s cluster with the complete OpenTelemetry Demo, including Jaeger and Grafana.

Playground on  Networking, Linux

Dual-Network Router Lab

Five Ubuntu VMs across public and private subnets, joined by a dual-homed router. The private subnet has no direct Internet access.

Playground on  Kubernetes, Security

Kata Containers Demo

A Kubernetes cluster with the Kata Containers runtime preinstalled.

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.

Playground on  Kubernetes

Getting Started with Istio

A simple K3s cluster with Istio service mesh and the sample Bookinfo app deployed. The playground is a good fit for workshops, self-paced labs, and quick experimentation with Istio and service mesh fundamentals.

Playground on  Kubernetes

2048 Game (Kubernetes Edition)

A sample app from https://github.com/digitalocean/kubernetes-sample-apps running on an iximiuz Labs K3s cluster.