#!/bin/sh URL=kiel.csprung.de SERVER_DIR=/opt/container-server cd $SERVER_DIR NEW_IP=$(nslookup -type=a $URL | awk '/^Address: / { print $2 ; exit }') OLD_IP=$(awk -F '=' '/^FAIL2BAN_IGNORED_IP/{ print $2 }' .env) if [ "$NEW_IP" != "$OLD_IP" ]; then echo "Found new IP: $URL = $OLD_IP -> $NEW_IP" sed -i -e "s/\(FAIL2BAN_IGNORED_IP\)=.*/\1=$NEW_IP/" .env task compose:restart -- fail2ban fi