У вашего броузера проблема в совместимости с HTML5
Commands:
Make Directory: mkdir
finding the ip: ifconfig
download server jar file: sudo wget http://ci.md-5.net/job/Spigot/lastStableBuild/artifact/Spigot-Server/target/spigot.jar
launche server: sudo /opt/jdk1.8.0/bin/java -Xms256M -Xmx496M -jar /home/pi/spigot.jar nogui
download Screen: sudo apt-get install screen
Launch Server with Screen: screen -a sudo /opt/jdk1.8.0/bin/java -Xms256M -Xmx496M -jar /home/pi/spigot.jar nogui
reatach screen: screen -r
Links:
the link to the site i got the info's from: http://picraftbukkit.webs.com/pi-minecraft-server-how-to