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On the same trip to India, I found myself in the position of delivering a training session to a room with incredibly varied backgrounds and skill levels. Some folks had never edited a file on the Unix command line before. Others just wanted...

I recently took a trip to Kolkata, India to train users and administrators of an Apple / Inquiry compute cluster there. The slides I developed for that trip may be of general interest, and so I'm sharing them here. The intent of these...

Apple provides a GUI for setting up the IP address and authentication information on the LOM. The problem, for me, with using a GUI for something like this is that it's nearly impossible to script and automate. When I'm setting up a cluster...

Here is a trick I use a couple of times a month to get finicky compute nodes in a Apple compute clusters to correctly bind to their LDAP / Open Directory master. This started working as of OS X 10.4, and to my knowledge...

William Van Etten has produced new scripts for the Apple OS X "Launchd" framework used by Mac OS X 10.5 "Leopard" systems. Moving forward it seems that Apple eventually intends to phase out the SystemStarter methods for starting/stopping daemons and services in favor of...