runc exec - execute new process inside the container


runc exec [command options] <container-id> -- <container command> [args...]

Where "<container-id>" is the name for the instance of the container and "<container command>" is the command to be executed in the container.


For example, if the container is configured to run the linux ps command the following will output a list of processes running in the container:

# runc exec <container-id> ps


--console value specify the pty slave path for use with the container
--cwd value current working directory in the container
--env value, -e value set environment variables
--tty, -t allocate a pseudo-TTY
--user value, -u value UID (format: <uid>[:<gid>])
--additional-gids value, -g value additional gids
--process value, -p value path to the process.json
--detach, -d detach from the container’s process
--pid-file value specify the file to write the process id to
--process-label value set the asm process label for the process commonly used with selinux
--apparmor value set the apparmor profile for the process
--no-new-privs set the no new privileges value for the process
--cap value, -c value add a capability to the bounding set for the process
--no-subreaper disable the use of the subreaper used to reap reparented processes
--preserve-fds value pass N additional file descriptors to the container (stdio + $LISTEN_FDS + N in total) (default: 0)