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Yet Another Minecraft systemd service file, and accessories. (Gracefully handles shutdown properly, whilst still eventually SIGKILL-ing if that doesn't work.)
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| #!/bin/sh | |
| server_properties_path=$(dirname "$0")"/../server/server.properties" | |
| rcon_port=$(awk -F "=" '/rcon.port/ {print $2}' "$server_properties_path") | |
| rcon_password=$(awk -F "=" '/rcon.password/ {print $2}' "$server_properties_path") | |
| "$(dirname "$0")/mcrcon" -H 127.0.0.1 -P "$rcon_port" -p "$rcon_password" "$1" |
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| [Unit] | |
| Description=Save Minecraft server worlds | |
| Requisite=minecraft.service | |
| After=minecraft.service | |
| [Service] | |
| PrivateUsers=yes | |
| User=minecraft | |
| Group=minecraft | |
| ProtectSystem=strict | |
| ProtectHome=yes | |
| PrivateTmp=yes | |
| ProtectKernelTunables=true | |
| ProtectKernelModules=true | |
| ProtectControlGroups=true | |
| CapabilityBoundingSet= | |
| NoNewPrivileges=yes | |
| Type=oneshot | |
| ExecStart=/mnt/puddle/minecraft/mcrcon/mcrcon-wrapper save-all | |
| SuccessExitStatus=0 1 |
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| [Unit] | |
| Description=Autosave Minecraft worlds | |
| Requisite=minecraft.service | |
| After=minecraft.service | |
| [Timer] | |
| OnCalendar=*-*-* 03:30:00 | |
| Persistent=false | |
| [Install] | |
| WantedBy=minecraft.service |
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| [Unit] | |
| Description=Minecraft Server | |
| Requires=network.target | |
| After=network.target | |
| [Service] | |
| WorkingDirectory=/mnt/puddle/minecraft/server | |
| ReadWritePaths=/mnt/puddle/minecraft/server | |
| ReadOnlyPaths=/mnt/puddle/minecraft/spigotbuild /mnt/puddle/minecraft/mcrcon | |
| PrivateUsers=yes | |
| User=minecraft | |
| Group=minecraft | |
| ProtectSystem=strict | |
| ProtectHome=yes | |
| PrivateTmp=yes | |
| ProtectKernelTunables=true | |
| ProtectKernelModules=true | |
| ProtectControlGroups=true | |
| CapabilityBoundingSet= | |
| NoNewPrivileges=yes | |
| ExecStart=/usr/bin/java -Xmx2G -Xms1G -jar server.jar | |
| ExecStop=/mnt/puddle/minecraft/mcrcon/mcrcon-wrapper stop | |
| # mcron-wrapper provides hostname and password for mcrcon | |
| KillMode=mixed # Otherwise it tries to signal subprocesses straightaway | |
| KillSignal=SIGCHLD # SIGCHLD should just be ignored | |
| SuccessExitStatus=0 1 | |
| # But 10 minutes later, it'll SIGKILL everything if sending 'stop' didn't work | |
| TimeoutStopSec=600 | |
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KillSignal=SIGCHLD