MonadLUG notes, 11-October-2007: Ben Scott and DNS

Late post: a great meeting Thursday night the 11th of October: thirteen people made it to the October meeting of the Monadnock Area Linux User Group, held as usual at the SAU #1 offices in Peterborough on the second Thursday at 7 PM. Thanks to Ken for sponsoring us at the offices, and dealing diplomatically with the double-booking of the space.

Ben had a little trouble finding the place, after a long, long drive from Dover. We forgot to mention in the driving directions which of the dozens of “Use other door” doors the meeting was held behind, so Ben had to find the Boy Scout meeting and the girls volleyball practices before finding us. Charlie promised to update the directions.

Nonplussed by all of this, Ben gave a great presentation on DNS, reprising his previous presentations. He’d replaced the MagicPoint presentation with S5, and had a few technical issues with getting it to behave, but persevered. I expect we’ll see an update to the slides on:

http://wiki.gnhlug.org/twiki2/bin/view/Www/PresentDNS

But the other files there (bind configuration files, sample inside and external zone files, etc.) should be relevant.

Ben gave a great overview of the Domain Name System and how it works from several client OSes, how the trail of DNS queries is processed, the structure of zone files, the structure of the BIND configuration files, and many of the common misconfigurations that lead to errors or just quiet failures.

It was a meeting well worth attending. Thanks to Ben for efforts above and beyond, to Charlie for hosting and managing the meeting, and to Ken and the SAU#1 offices for providing the facilities.

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