lxc-attach

starts a process inside a running LXC container, effectively attaching a shell

Attach to container

$ sudo lxc-attach [container_name]

Display help

$ lxc-attach --help

lxc-attach [options] -n container

lxc-attach starts a process inside a running LXC container, effectively attaching a shell or running a command within the container's namespace.

-n, --name NAME

Container name

-e, --elevated-privileges

Don't drop capabilities

-a, --arch ARCH

Set architecture

-s, --namespaces PID|MNT|...

Attach to specific namespaces only

-- COMMAND

Command to run inside container

-?, --help

Display help information

Requires root privileges. Container must be running. Part of LXC (not LXD).