NetworkManager DNS

By relaying DNS queries to local dnsmasq instances, debugging DNS servers in newer Ubuntu releases is no longer strictly file-based.

Disable PIN on Huawei E1550

I prepared a 3G Router with failover to the 3G WAN via USB Stick in case the main DSL Uplink fails. The router has no option to pass a PIN to the available Huawei E1550, even though the mode is supported in general.