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systemd-activate(8) - phpMan

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SYSTEMD-ACTIVATE(8)                      systemd-activate                     SYSTEMD-ACTIVATE(8)



NAME
       systemd-activate - Test socket activation of daemons

SYNOPSIS
       /lib/systemd/systemd-activate [OPTIONS...] daemon [OPTIONS...]

DESCRIPTION
       systemd-activate can be used to launch a socket activated daemon from the command-line for
       testing purposes. It can also be used to launch single instances of the daemon per
       connection (inetd-style).

       The daemon to launch and its options should be specifed after options intended for
       systemd-activate.

       If the -a option is given, file descriptor of the connection will be used as the standard
       input and output of the launched process. Otherwise, standard input and output will be
       inherited, and sockets will be passed through file descriptors 3 and higher. Sockets
       passed through $LISTEN_FDS to systemd-activate will be passed through to the dameon, in
       the original positions. Other sockets specified with --listen will use consecutive
       descriptors.

OPTIONS
       -l address, --listen=address
           Listen on this address. Takes a string like "2000" or "127.0.0.1:2001".

       -a, --accept
           Launch a separate instance of daemon per connection and pass the connection socket as
           standard input and standard output.

       -E VAR[=VALUE], --setenv=VAR[=VALUE]
           Add this variable to the environment of the launched process. If VAR is followed by
           "=", assume that it is a variable–value pair. Otherwise, obtain the value from the
           environment of systemd-activate itself.

       -h, --help
           Print a short help text and exit.

       --version
           Print a short version string and exit.

ENVIRONMENT VARIABLES
       $LISTEN_FDS, $LISTEN_PID
           See sd_listen_fds(3).

       $SYSTEMD_LOG_TARGET, $SYSTEMD_LOG_LEVEL, $SYSTEMD_LOG_COLOR, $SYSTEMD_LOG_LOCATION
           Same as in systemd(1).

EXAMPLE 1
           $ /lib/systemd/systemd-activate -l 2000 -a cat

       This runs an echo server on port 2000.

EXAMPLE 2
           $ /lib/systemd/systemd-activate -l 19531 /lib/systemd/systemd-journal-gatewayd

       This runs a socket activated instance of systemd-journal-gatewayd(8).

SEE ALSO
       systemd(1), systemd.socket(5), systemd.service(5), cat(1)



systemd 215                                                                   SYSTEMD-ACTIVATE(8)


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