My new guest VMs under Xen seem to be having issues where upon each reboot, the network interface gets incremented by 1. For instance, it starts at eth0, then goes to eth1, then eth2, and eventually ethX. There are two issues to fix: 1) get the count back to 0, and 2) stop it from counting again. I was able to get them to decrease by looking in the /etc/udev/rules.d/70-persistent-net.rules file and removing all entries.

One of the biggest things I regret is not utilizing Xen more. I’ve finally been admitted to Amazon’s EC2 Limited Beta, just two days before I leave, so not enough time to actually do anything fun. However, I think Xen is an ideal infrastructure aid for SMEs in particular. The cost of technology is continuing to decrease, which means bigger servers cost less. This is great for the small/branch office. Let me explain.