while true; do
    # prevent the server from being stopped again immediately
    date +%s > /home/minecraft/scripts/lp_stamp
    # run the server itself
    # replace the jolokia agent and the forge jar with your versions
    java -jar -Xms20G -Xmx20G -javaagent:jolokia-jvm-1.6.2-agent.jar\
        -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100\
        -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=50\
        -XX:G1MaxNewSizePercent=80 -XX:G1MixedGCLiveThresholdPercent=50\
        -XX:G1ReservePercent=20 -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4\
        -XX:InitiatingHeapOccupancyPercent=25\
        -XX:+AlwaysPreTouch -Xloggc:gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps\
        -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=1M forge-1.16.5-36.0.1.jar nogui
    echo "Server closed"
    if (( $(cat /home/minecraft/scripts/lp_shutdown) > 0 )); then
        echo "Server was empty for 14 days, waiting for connection..."
        echo "0" > /home/minecraft/scripts/lp_shutdown
        mcconn=0
        until [ $mcconn -ne 0 ]; do
            mcconn=$(nc -l 25500 | cat -v | grep -cF '^@cM-^\^B')
            if [ $mcconn -eq 0 ]; then
                echo "Something connected, but it doesn't look like a minecraft connection"
            else
                echo "Someone tried to connect to the minecraft server, starting..."
            fi
        done
    else
        echo "Restarting server in 5 seconds..."
        sleep 5
    fi
done