334 lines
6.7 KiB
Plaintext
334 lines
6.7 KiB
Plaintext
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#!/bin/bash
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# Minecraft server script
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# v0.3
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# leander@one-button.org
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# User editable variables:
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# Always include the trailing slashes on directories!
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MINECRAFT="minecraft_server.jar" # Name of your server jar file. This script supports vanilla and craftbukkit.
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MCPATH="/var/minecraft_directory/" # Directory on disk of your MC server. Make sure your MINECRAFT jar file is located here.
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SERVERNAME="minecraft"
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ARGS="-Xmx2G -Xms2G -jar" # Standard arguments for the minecraft server jar.
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USER="steve" # User your minecraft server runs under.
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BACKUPDIR="/var/backup/minecaft_backup/" # Directory for backup tar files.
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DAYSOFBACKUPS="+7" # number of days of backups to keep. Default is +7.
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# Various programs this script calls
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JAVA="/usr/bin/java"
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SCREEN="/usr/bin/screen"
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DATE=$(date +%m-%d-%Y-%H:%M)
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TAR="/bin/tar"
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RSYNC="/usr/bin/rsync"
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FIND="/usr/bin/find"
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# RAM Disk settings.
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# Don't use this if you don't know what you're doing!
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# See the README for me info
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RAMDISK=false # Set to true if you want to use a RAM disk, false to run from a hard disk. See README first.
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RAMDISKDIR="/lol/ramdisk/" # The path where your RAM disk is mounted.
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already_running(){
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if pgrep -u $USER -f $MINECRAFT > /dev/null
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then
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return 1
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else
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return 0
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fi
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}
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run_as() {
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WHOAMI=$(whoami)
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if [ "$WHOAMI" == "$USER" ]
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then
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bash -c "$1"
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else
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su - $USER -c "$1"
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fi
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}
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start() {
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already_running
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if [ "$?" == "1" ]
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then
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echo "Minecraft already running ..."
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else
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if [ $RAMDISK == "true" ]
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then
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echo "Copying files to RAM Disk ..."
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setup_ramdisk
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echo "Starting $MINECRAFT ..."
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run_as "cd $RAMDISKDIR && $SCREEN -dm -S $SERVERNAME $JAVA $ARGS $MINECRAFT"
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sleep 7
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else
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echo "Starting $MINECRAFT ..."
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run_as "cd $MCPATH && $SCREEN -dm -S $SERVERNAME $JAVA $ARGS $MINECRAFT"
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sleep 7
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fi
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already_running
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if [ "$?" == "1" ]
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then
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echo "$MINECRAFT started on $SERVERNAME screen session."
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else
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echo "Error, $MINECRAFT could not be started. Check ${MCPATH}logs/ for errors."
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fi
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fi
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}
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stop() {
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already_running
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if [ "$?" == "1" ]
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then
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if [ $RAMDISK == "true" ]
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then
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echo "Syncing RAM drive to disk .."
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sync_ram_to_disk
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echo "Sync complete."
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fi
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echo "Stopping $MINECRAFT ... "
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"say SERVER SHUT DOWN IN 5 SECONDS. SAVING WORLD ...\"$(echo -ne '\015')"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-all\015'"
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sleep 5
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff stop\015'"
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sleep 2
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already_running
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if [ "$?" == "1" ]
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then
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echo "$MINECRAFT could not be stopped."
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echo "Check ${MCPATH}server.log for errors."
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else
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echo "$MINECRAFT stopped."
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fi
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else
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echo "$MINECRAFT is not running"
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fi
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}
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status() {
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already_running
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if [ "$?" == "1" ]
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then
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echo "$MINECRAFT is running."
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else
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echo "$MINECRAFT is not running."
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fi
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}
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save_all() {
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already_running
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if [ "$?" == "1" ]
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then
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echo "Saving all in memory to disk ..."
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"say SAVING WORLD. PREPARE FOR LAG.\"$(echo -ne '\015')"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-all\015'"
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sleep 10
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"say SAVE COMPLETE.\"$(echo -ne '\015')"
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else
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echo "$MINECRAFT not running."
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fi
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}
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whitelist() {
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already_running
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if [ "$?" == "1" ]
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then
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if [ "$1" == "add" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"whitelist add $2\"$(echo -ne '\015')"
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elif [ "$1" == "remove" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"whitelist remove $2\"$(echo -ne '\015')"
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fi
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else
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echo "$MINECRAFT not running."
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fi
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}
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ban() {
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already_running
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if [ "$?" == "1" ]
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then
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if [ "$1" == "ban" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"ban $2\"$(echo -ne '\015')"
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elif [ "$1" == "pardon" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"pardon $2\"$(echo -ne '\015')"
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elif [ "$1" == "ban-ip" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"ban-ip $2\"$(echo -ne '\015')"
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elif [ "$1" == "pardon-ip" ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"pardon-ip $2\"$(echo -ne '\015')"
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fi
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else
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echo "$MINECRAFT not running."
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fi
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}
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backup() {
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already_running
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if [ "$?" == "1" ]
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then
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if [ "$RAMDISK" == "true" ]
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then
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echo "Syncing RAM drive to disk .."
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sync_ram_to_disk
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echo "Sync complete."
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fi
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echo "Backing up server ..."
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if [ -d $BACKUPDIR ]
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then
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"say BACKING UP. SERVER GOING READ-ONLY.\"$(echo -ne '\015')"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-off\015'"
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run_as "$TAR czf ${BACKUPDIR}${SERVERNAME}-${DATE}.tar.gz $MCPATH"
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run_as "$FIND ${BACKUPDIR} -maxdepth 1 -type f -mtime $DAYSOFBACKUPS -delete"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-on\015'"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X stuff \"say BACK UP COMPLETE. SERVER GOING READ-WRITE.\"$(echo -ne '\015')"
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echo "Backup complete."
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else
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echo "Error, backup directory not found."
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fi
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else
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run_as "$TAR czf ${BACKUPDIR}minecraft-server-${DATE}.tar.gz $MCPATH"
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echo "Backup complete."
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echo "Cleaning up backups older than $DAYSOFBACKUPS days ..."
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run_as "$FIND ${BACKUPDIR} -maxdepth 1 -type f -mtime $DAYSOFBACKUPS -delete"
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echo "Old backups cleaned up"
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fi
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}
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setup_ramdisk() {
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echo "You are setup to run in a RAM disk."
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echo "PLEASE see the README about syncing the RAM drive with a hard drive!"
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run_as "$RSYNC -rO --delete-after $MCPATH $RAMDISKDIR"
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}
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sync_ram_to_disk() {
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if [ -f $RAMDISKDIR/${MINECRAFT} ]
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then
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echo "Syncing RAM disk to drive ..."
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-off\015'"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-all\015'"
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sleep 2
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run_as "$RSYNC -art --delete-after $RAMDISKDIR $MCPATH"
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run_as "$SCREEN -p 0 -S $SERVERNAME -X eval 'stuff save-on\015'"
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echo "Sync complete."
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else
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echo "Error, $MINECRAFT not in RAM disk."
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fi
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}
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case $1 in
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start)
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start
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exit 1
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;;
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stop)
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stop
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exit 1
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;;
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save-all)
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save_all
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exit 1
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;;
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backup)
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save_all
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backup
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exit 1
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;;
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whitelist-add)
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whitelist add $2
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exit 1
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;;
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whitelist-remove)
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whitelist remove $2
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exit 1
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;;
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ban)
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ban ban $2
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exit 1
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;;
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ban-ip)
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ban ban-ip $2
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exit 1
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;;
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pardon)
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ban pardon $2
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exit 1
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;;
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pardon-ip)
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ban pardon-ip $2
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exit 1
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;;
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status)
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status
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exit 1
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;;
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writetodisk)
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sync_ram_to_disk
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exit 1
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;;
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restart)
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stop
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start
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exit 1
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;;
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*)
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echo "Usage: minecraft-server {start|restart|save-all|backup|writetodisk|stop|whitelist-add|whitelist-remove|ban|ban-ip|pardon|pardon-ip}"
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exit 1
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;;
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esac
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exit 0
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