eyrie.org now with IPv6

I've now enabled IPv6 for both eyrie.org systems and have published corresponding DNS records (although DNS as always may take some time to update).

Panix mentioned a while back that they now supported IPv6 (with, as usual, a great admin console interface that made it trivial to turn it on and set up proper reverse DNS), but I knew there were going to be some issues with setting it up so I put it off. Amusingly, it was Debian that finally pushed me into configuring it: I kept getting the AAAA record for security.debian.org first and waiting for the connection to time out before connecting to the IPv4 address, and I got tired of waiting.

For the most part, I just had to turn it on and everything simply worked. There were only a couple bits of weirdness:

Last spun 2013-07-01 from thread modified 2013-01-04