TODO: noch nicht fertig

  systemctl edit --force --full psax.service

<file txt /etc/systemd/system/psax.service>
# /etc/systemd/system/psax.service
[Unit]
Description=show processes
Requires=psax.socket

[Service]
ExecStart=/usr/bin/ps ax
User=nobody
</file>

  systemctl edit --force --full psax.socket

<file txt /etc/systemd/system/psax.socket>
[Unit]
Description=Show Processes on port 48620

[Socket]
ListenStream=48620

[Install]
WantedBy=sockets.target
</file>

  lsof -i 48620
  systemctl start psax.socket
  lsof -i 48620
  nc localhost 48620