This is the shell script I've written for my Minecraft server.
save it as start.sh
and call it with ./start.sh start
You can also call backup, which creates a backup while the server can still run. This backup can be restored later.
Remember to change craftbukkit.jar
into whatever your JAR file is.
#!/bin/bash
# Made by bytecode77
##############################################################
DIRECTORY='/home/minecraft'
SESSIONNAME='minecraftserverscreen'
JARFILE='craftbukkit.jar'
WORLDNAME='world'
NETHERNAME='world_nether'
SKYNAME='world_skylands'
ENDNAME='world_the_end'
##############################################################
start()
{
SCREENID=$(screen -ls | grep -w $SESSIONNAME | cut -f 2)
if [ $SCREENID ]; then
echo "Minecraft is already running."
else
echo "Starting Minecraft server..."
screen -dmS $SESSIONNAME java -Xms768M -Xmx768M -jar $JARFILE nogui
fi
}
stop()
{
SCREENID=$(screen -ls | grep -w $SESSIONNAME | cut -f 2)
if [ $SCREENID ]; then
echo "Stopping Minecraft server..."
screen -S $SESSIONNAME -p 0 -X stuff "`printf "stop\r"`"
while screen -ls | grep $SESSIONNAME > /dev/null
do
sleep 0.1
done
else
echo "Minecraft is not running."
fi
}
restart()
{
echo "Restarting Minecraft server..."
stop > /dev/null && start > /dev/null
}
saveoff()
{
screen -S $SESSIONNAME -p 0 -X eval 'stuff "say Starting backup..."\015'
screen -S $SESSIONNAME -p 0 -X eval 'stuff "save-off"\015'
screen -S $SESSIONNAME -p 0 -X eval 'stuff "save-all"\015'
sync
}
saveon()
{
screen -S $SESSIONNAME -p 0 -X eval 'stuff "save-on"\015'
screen -S $SESSIONNAME -p 0 -X eval 'stuff "say Backup complete."\015'
}
backup()
{
echo "Creating backup of '$WORLDNAME', '$NETHERNAME', '$SKYNAME' and '$ENDNAME'..."
saveoff
sleep 5
mkdir -p backups
tar cfv "backups/NEW.tar" $WORLDNAME $NETHERNAME $SKYNAME $ENDNAME > /dev/null
mv "backups/NEW.tar" "backups/$(date +"%m-%d-%Y_%H.%M.%S").tar"
saveon
}
restore()
{
echo "Restoring '$WORLDNAME', '$NETHERNAME', '$SKYNAME' and '$ENDNAME'..."
stop > /dev/null
rm -r $WORLDNAME
rm -r $NETHERNAME
rm -r $SKYNAME
rm -r $ENDNAME
tar xfv "backups/$(ls backups -t | head -1 | grep ".tar")" > /dev/null
start > /dev/null
}
cd $DIRECTORY
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
restart
;;
backup)
backup
;;
restore)
restore
;;
*)
echo "Usage: ${0} {start|stop|restart|backup|restore}"
exit 2
esac
exit 0