`lsns` - list namespaces

lsns [-t TYPE]

Options you will use

-t TYPE: only this namespace type (net, pid, mnt, uts, ipc, user, cgroup, time)

Examples

$ sudo lsns -t net

every network namespace: the host one and one per container

Gotchas

Without root you only see namespaces of your own processes.

Taught in

10.3 What a container actually is

Try lsns in a real terminal Free, in your browser - a real Ubuntu terminal to try it in, with missions that check your work.