Update mqtt-install.sh

fixes https://github.com/tteck/Proxmox/issues/2617

install/mqtt-install.sh

@@ -22,8 +22,11 @@ msg_ok "Installed Dependencies"
 msg_info "Installing Mosquitto MQTT Broker"
 if [ "$PCT_OSTYPE" == "debian" ]; then
   VERSION="$(awk -F'=' '/^VERSION_CODENAME=/{ print $NF }' /etc/os-release)"
-  wget -qO- http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key >/etc/apt/trusted.gpg.d/mosquitto-repo.asc
-  wget -qO /etc/apt/sources.list.d/mosquitto-${VERSION}.list http://repo.mosquitto.org/debian/mosquitto-${VERSION}.list
+ # wget -qO- http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key >/etc/apt/trusted.gpg.d/mosquitto-repo.asc
+ # wget -qO /etc/apt/sources.list.d/mosquitto-${VERSION}.list http://repo.mosquitto.org/debian/mosquitto-${VERSION}.list
+  gpg --keyserver keyserver.ubuntu.com --recv-keys 779B22DFB3E717B7 >/dev/null 2>&1
+  gpg --export 779B22DFB3E717B7 | tee /etc/apt/trusted.gpg.d/mosquitto.gpg >/dev/null 2>&1
+  echo "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/mosquitto.gpg] https://repo.mosquitto.org/debian ${VERSION} main" >/etc/apt/sources.list.d/mosquitto-${VERSION}.list
   $STD apt-get update
 fi
 $STD apt-get -y install mosquitto