nsenter

Run a new command in a running process' namespace.

Particularly useful for docker images or chroot jails.

• Run command in existing processes network namespace:

nsenter -t {pid} -n {command} {command_arguments}

• Run a new command in an existing processes ps-table namespace:

nsenter -t {pid} -p {command} {command_arguments}

• Run command in existing processes IPC namespace:

nsenter -t {pid} -i {command} {command_arguments}

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