eigene externe ip per shell
wget -O - -q icanhazip.comcurl ifconfig.mewget -qO - http://checkip.dyndns.org/ | grep -o "[[:digit:].]\+"wget -O - -q icanhazip.comcurl ifconfig.mewget -qO - http://checkip.dyndns.org/ | grep -o "[[:digit:].]\+"