move systemd instructions to the supplemental directory

supplemental/systemd/readme.md

@@ -0,0 +1,60 @@
+## Run the hub as a system service (Linux)
+
+This runs the hub in the background continuously using systemd.
+
+1. Create the system service at `/etc/systemd/system/beszel.service`
+
+```bash
+[Unit]
+Description=Beszel Hub Service
+After=network.target
+
+[Service]
+# update the values in the curly braces below (remove the braces)
+ExecStart={/path/to/working/directory}/beszel serve
+WorkingDirectory={/path/to/working/directory}
+User={YOUR_USERNAME}
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+```
+
+2. Start and enable the service to let it run after system boot
+
+```bash
+sudo systemctl daemon-reload
+sudo systemctl enable beszel.service
+sudo systemctl start beszel.service
+```
+
+## Run the agent as a system service (Linux)
+
+This runs the agent in the background continuously using systemd.
+
+1. Create the system service at `/etc/systemd/system/beszel-agent.service`
+
+```bash
+[Unit]
+Description=Beszel Agent Service
+After=network.target
+
+[Service]
+# update the values in curly braces below (remove the braces)
+Environment="PORT={PASTE_YOUR_PORT_HERE}"
+Environment="KEY={PASTE_YOUR_KEY_HERE}"
+ExecStart={/path/to/directory}/beszel-agent
+User={YOUR_USERNAME}
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+```
+
+2. Start and enable the service to let it run after system boot
+
+```bash
+sudo systemctl daemon-reload
+sudo systemctl enable beszel-agent.service
+sudo systemctl start beszel-agent.service
+```