tldr/pages/linux/systemd-socket-activate.md

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# systemd-socket-activate
> Socket activation for systemd services.
> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemd-socket-activate.html>.
- Activate a service when a specific socket is connected:
`systemd-socket-activate {{path/to/socket.service}}`
- Activate multiple sockets for a service:
`systemd-socket-activate {{path/to/socket1.service}} {{path/to/socket2.service}}`
- Pass environment variables to the service being activated:
`{{SYSTEMD_SOCKET_ACTIVATION=1}} systemd-socket-activate {{path/to/socket.service}}`
- Activate a service along with a notification socket:
`systemd-socket-activate {{path/to/socket.socket}} {{path/to/service.service}}`
- Activate a service with a specified port:
`systemd-socket-activate {{path/to/socket.service}} -l {{8080}}`