Technology Insights

btscanner: Update OUI List – Vendor Organizationally Unique Identifier List

If you use btscanner, which is a Bluetooth scanner found in Backtrack Linux, a lot like I do then you will notice that the Public OUI list included is pretty far out of date. The OUI or Organizationally Unique Identifier list is what matches MAC addresses to manufacturers or vendors. This is how you can determine who produced a specific product that is talking on a network for instance a Bluetooth device that is attempting to communicate with your phone or your computer.

Technology Insights

Dell Poweredge 650: Determine BIOS Version From Linux

I have a development server, which is a Dell Poweredge 650, running CentOS Linux that is used for testing PostgreSQL database replication via log shipping and recently the server has been crashing after only running for a couple hours from a kernel panic. One of the things I wanted to verify is if there is a new BIOS version available but first needed to verify the current BIOS version installed. Below is information on how to determine what BIOS version a Linux server is using while the server is running.

Technology Errors

Upgrade Redmine Rake Migrate Error: uninitialized constant ActionController::AbstractRequest

I ran into an issue earlier where adding a sub project to an already existing Redmine project produced an error and after a little bit of troubleshooting determined that upgrading Redmine would resolve the issue. During the upgrade process I ran into some other issues including a specific migration error using rake that is noted below. The upgrade process involved upgrading Redmine 0.8.3 to Redmine 0.9.3.