If The Title of This Post Contains the Word “Tennessee”, Will It Attract Human Spammers?

As noted before, I do love Spam Karma 2. 4000+ spams eaten over the last 18 months or so, and it’s nearly perfect as far as I can tell. But it didn’t catch a couple of… terse… commenters on this post about a presentation I was about to give. One commenter seemed rather irritated, and …

Stupid Puppet Trick: Identifying Groups of Hosts

My Ruby skills are practically non-existant, but I’ve managed to put together a relatively readable custom fact for identifying my Torque queues by a node’s hostname. Behold, HostgroupFact! Now I can factor out my hosts.equiv files back to a parent class, rather than duplicating the same file specifications on a per-queue basis. class cluster-host inherits …

Stupid Puppet Trick: Poor Man’s Undo

If I apply a set of classes to a puppet client, I may need to roll back those classes’ changes later. Granted, I could just edit out those classes, reformat the system, and rebuild it from scratch, but there may be times when I want to undo my changes in a more granular fashion. So …