Linux Playgrounds

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

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  Linux, Networking
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  Linux, Networking