Tech Notes

Note Screwing around with the boot volume is part of our regular "explore around the edges" work before we get serious with how we are going to configure and orchestrate the new systems. The boot volume in this scenario does not have PV driver support and...

Background BioTeam is a Massachusetts-based "virtual" company in that all of our employees work from home when not traveling on business. Being from Massachusetts is actually important because as of March 31st, 2010 the state has passed a fairly strict set of laws concerning how companies...

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...

The problem addressed here is the same as the previous two, except that the remote administrator won't open up *any* ports in their firewall. Machines on the customer's network can connect out onto the internet, but there is no direct way to connect to...

In a previous post I described how and why one might set up a very simple ssh tunnel in order to access a web server or a remote desktop server on a machine with a restrictive firewall. This post goes one step deeper, showing...