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nsenter

Run a new command in a running process' namespace. Particularly useful for docker images or chroot jails. More information: https://manned.org/nsenter.

Run a specific command using the same namespaces as an existing process:

nsenter --target {{pid}} --all {{command}} {{command_arguments}}

Run a specific command in an existing process's network namespace:

nsenter --target {{pid}} --net {{command}} {{command_arguments}}

Run a specific command in an existing process's PID namespace:

nsenter --target {{pid}} --pid {{command}} {{command_arguments}}

Run a specific command in an existing process's IPC namespace:

nsenter --target {{pid}} --ipc {{command}} {{command_arguments}}

Run a specific command in an existing process's UTS, time, and IPC namespaces:

nsenter --target {{pid}} --uts --time --ipc -- {{command}} {{command_arguments}}

Run a specific command in an existing process's namespace by referencing procfs:

nsenter --pid=/proc/{{pid}}/pid/net -- {{command}} {{command_arguments}}