Manage containers (shared kernel, separate userland)

docker ps -a

• list all (stopped) containers

docker stats

• live mem, cpu, net/block IO, pids

docker logs -n 100 --follow CONTAINER

• tail -f for containers

docker top CONTAINER

• see procs inside a container

docker image prune -a

• removes images not used by any container
• most of the time all you really need