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- root@ubuntu:/opt/minecraft/bukkit/logs# cat /etc/systemd/system/[email protected]
- #!/bin/bash
- # Source: https://github.com/agowa338/MinecraftSystemdUnit/
- # License: MIT
- [Unit]
- Description=Minecraft Server %i
- After=network.target
- [Service]
- WorkingDirectory=/opt/minecraft/%i
- PrivateUsers=true
- # Users Database is not available for within the unit, only root and minecraft is available, everybody else is nobody
- User=minecraft
- Group=minecraft
- ProtectSystem=full
- # Read only mapping of /usr /boot and /etc
- ProtectHome=true
- # /home, /root and /run/user seem to be empty from within the unit. It is recommended to enable this setting for all long-running services (in particular network-facing ones).
- ProtectKernelTunables=true
- # /proc/sys, /sys, /proc/sysrq-trigger, /proc/latency_stats, /proc/acpi, /proc/timer_stats, /proc/fs and /proc/irq will be read-only within the unit. It is recommended to turn this on for most services.
- # Implies MountFlags=slave
- ProtectKernelModules=true
- # Block module system calls, also /usr/lib/modules. It is recommended to turn this on for most services that do not need special file systems or extra kernel modules to work
- # Implies NoNewPrivileges=yes
- ProtectControlGroups=true
- # It is hence recommended to turn this on for most services.
- # Implies MountAPIVFS=yes
- ExecStart=/bin/sh -c '/usr/bin/screen -DmS mc-%i /usr/bin/java -server -DIReallyKnowWhatIAmDoingISwear -XX:ParallelGCThreads=4 -Xmx3G -Xms3G -jar bukkit-current.jar nogui'
- ExecReload=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "reload"\\015'
- ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN. Saving map..."\\015'
- ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "save-all"\\015'
- ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "stop"\\015'
- ExecStop=/bin/sleep 10
- Restart=on-failure
- RestartSec=60s
- [Install]
- WantedBy=multi-user.target
- #########
- # HowTo
- #########
- #
- # Create a directory in /opt/minecraft/XX where XX is a name like 'survival'
- # Add minecraft_server.jar into dir with other conf files for minecraft server
- #
- # Enable/Start systemd service
- # systemctl enable minecraft@survival
- # systemctl start minecraft@survival
- #
- # To run multiple servers simply create a new dir structure and enable/start it
- # systemctl enable minecraft@creative
- # systemctl start minecraft@creative
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