Linux cli command systemd-stdio-bridge

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NAME 🖥️ systemd-stdio-bridge 🖥️

stdio-bridge - D-Bus proxy

SYNOPSIS

systemd-stdio-bridge [OPTIONS…]

DESCRIPTION

systemd-stdio-bridge implements a proxy between STDIN/STDOUT and a D-Bus bus. It expects to receive an open connection via STDIN/STDOUT when started, and will create a new connection to the specified bus. It will then forward messages between the two connections. This program is suitable for socket activation: the first connection may be a pipe or a socket and must be passed as either standard input, or as an open file descriptor according to the protocol described in sd_listen_fds(3). The second connection will be made by default to the local system bus, but this can be influenced by the –user, –system, –machine=, and –bus-path= options described below.

sd-bus(3) uses systemd-stdio-bridge to forward D-Bus connections over ssh(1), or to connect to the bus of a different user, see sd_bus_set_address(3).

OPTIONS

The following options are understood:

–user

Talk to the service manager of the calling user, rather than the service manager of the system.

–system

Talk to the service manager of the system. This is the implied default.

-M, –machine=

Execute operation on a local container. Specify a container name to connect to, optionally prefixed by a user name to connect as and a separating “@” character. If the special string “.host” is used in place of the container name, a connection to the local system is made (which is useful to connect to a specific users user bus: “–user –[email protected]”). If the “@” syntax is not used, the connection is made as root user. If the “@” syntax is used either the left hand side or the right hand side may be omitted (but not both) in which case the local user name and “.host” are implied.

-p PATH, **–bus-path=**PATH

Path to the bus address. Default: “unix:path=/run/dbus/system_bus_socket”

Added in version 251.

-h, –help

Print a short help text and exit.

–version

Print a short version string and exit.

EXIT STATUS

On success, 0 is returned, a non-zero failure code otherwise.

SEE ALSO

dbus-daemon(1), dbus-broker(1), D-Bus[1], systemd(1)

NOTES

D-Bus

https://www.freedesktop.org/wiki/Software/dbus

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