SYSTEMD-SOCKET-ACTIVATE(1) systemd-socket-activate SYSTEMD-SOCKET-ACTIVATE(1) (NAME) systemd-socket-activate - (SYNOPSIS) systemd-socket-activate [OPTIONS...] COMMAND [ARGS...] (DESCRIPTION) systemd-socket-activate . . systemd-socket-activate . --inetd . . $LISTEN_FDS systemd-socket-activate . --listen= . systemd-socket-activate (stream socket) (datagram) (sequential packet) --datagram --seqpacket ( ). (OPTIONS) -l address, --listen=address address () . "2000" "127.0.0.1:2001" . 230 . -a, --accept . --now . 230 . -d, --datagram (SOCK_STREAM) (SOCK_DGRAM) . --seqpacket . 230 . --seqpacket (SOCK_STREAM) (SOCK_SEQPACKET) . --datagram . 230 . --inetd inetd $LISTEN_FDS ( ). 230 . -E VAR[=VALUE], --setenv=VAR[=VALUE] . VAR "=" - . systemd-socket-activate . 230 . --fdname=NAME[:NAME...] . FileDescriptorName= sd_listen_fds_with_names(3) . (":") . . . 230 . --now () . --accept . 258 . -h, --help . --version . (ENVIRONMENT) $LISTEN_FDS, $LISTEN_PID, $LISTEN_PIDFDID, $LISTEN_FDNAMES sd_listen_fds(3) . 230 . $SYSTEMD_LOG_TARGET, $SYSTEMD_LOG_LEVEL, $SYSTEMD_LOG_TIME, $SYSTEMD_LOG_COLOR, $SYSTEMD_LOG_LOCATION systemd(1). 230 . (EXAMPLES) 1. echo 2000 $ systemd-socket-activate -l 2000 --inetd -a cat 2. systemd- journal-gatewayd(8) $ systemd-socket-activate -l 19531 /usr/lib/systemd/systemd-journal-gatewayd (SEE ALSO) systemd(1), systemd.socket(5), systemd.service(5), systemd-run(1), sd_listen_fds(3), sd_listen_fds_with_names(3), cat(1) systemd 261.2 SYSTEMD-SOCKET-ACTIVATE(1)