I recently needed a way to test if packets were reaching a linux device I'm testing. The device didn't have tcpdump installed, so I didn't have a real sniffer. Fortunately all I really needed was confirmation that packets were arriving. iptables to the rescue! Assuming there are ...

Fixing Dnsmasq to Work With Libvirt

There's a bug written in the Ubuntu tracker (and in Fedora too, I think) about running dnsmasq and libvirt at the same time. Basically, libvirt runs an instance of dnsmasq, and if you install the system dnsmasq it tries to bind to all ...