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Signed-off-by: Peter Siegmund <developer@mars3142.org>

README.md

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+# Hytale Server Systemd Setup
+
+## Files
+
+| File | Description | Target on Server |
+|------|-------------|------------------|
+| `hytale.service` | Main service for the server | `/etc/systemd/system/` |
+| `hytale-update.sh` | Update script | `/opt/hytale/` |
+| `hytale-update.service` | Service for updates | `/etc/systemd/system/` |
+| `hytale-update.timer` | Timer for daily updates at 4 AM | `/etc/systemd/system/` |
+
+## Installation on the Server
+
+```bash
+# 1. Copy files
+sudo cp hytale.service /etc/systemd/system/
+sudo cp hytale-update.service /etc/systemd/system/
+sudo cp hytale-update.timer /etc/systemd/system/
+cp hytale-update.sh /opt/hytale/
+chmod +x /opt/hytale/hytale-update.sh
+
+# 2. Create log file
+sudo touch /var/log/hytale-update.log
+sudo chown mars3142:mars3142 /var/log/hytale-update.log
+
+# 3. Reload systemd
+sudo systemctl daemon-reload
+
+# 4. Enable and start server service
+sudo systemctl enable hytale.service
+sudo systemctl start hytale.service
+
+# 5. Enable update timer
+sudo systemctl enable hytale-update.timer
+sudo systemctl start hytale-update.timer
+```
+
+## Useful Commands
+
+```bash
+# Server status
+sudo systemctl status hytale.service
+
+# Show server logs
+sudo journalctl -u hytale.service -f
+
+# Manually stop/start server
+sudo systemctl stop hytale.service
+sudo systemctl start hytale.service
+sudo systemctl restart hytale.service
+
+# Run update manually
+sudo /opt/hytale/hytale-update.sh
+
+# Check timer status
+sudo systemctl list-timers | grep hytale
+
+# Show update logs
+cat /var/log/hytale-update.log
+```
+
+## Notes
+
+- The server starts automatically after a reboot
+- Updates are checked daily at 4:00 AM
+- Already applied updates are stored in `/opt/hytale/.applied_updates`
+- When an update is found, the server is automatically stopped, updated, and restarted