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# 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 -Xms512M -Xmx2500M -XX:+UseG1GC -XX:+CMSIncrementalPacing -XX:+CMSClassUnloadingEnabled -XX:ParallelGCThreads=2 -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -jar $(ls -v | grep -i "spigot_server.jar" | head -n 1) 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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