Solved: Mystery DHCP Requests from Dell R815 Broadcom NeXtreme II NICs

Listen, my friends, and I will tell you a tale of mystery MAC addresses, DCHP, and Broadcom woes.

It all started when we got a new server. A Dell R815, to be exact. The specs looked great, it could hold a ton of RAM for some of our bioinformatics projects, and the cost was low. Everyone was happy.

Then one day someone called and said, hey, there are a ton of DHCP requests and we've traced them back to [room that server is in]. Here's the MAC address: 002xxxxxxxd1.

Slides from DrupalCamp Iowa 2011

Here are the slides from my morning presentation at yesterday's "DrupalCorn" DrupalCamp in Des Moines, Iowa. The presentation was designed to be a brief high-level overview of Drupal.

Introduction to Drupal 7 Architecture (PDF, 1.8MB)


Solution to Invalid command 'PubcookieAppID'

When setting up Pubcookie, you may encounter an "Internal Server Error" in your browser and the following error in /var/log/httpd/ssl_error_log (or wherever you're keeping your SSL error log):

Installing rpy and rpy2 on RHEL6

I wanted to install rpy and rpy2 on Red Hat Enterprise Linux 6. Here's how I did it. There have been several fixes in the rpy SVN repository that have not shown up in the version downloadable from SourceForge. Hopefully that's been fixed by now, but here's how I installed it by retrieving rpy directly from the repository.

First I made sure that the python-devel package was installed to avoid the error src/RPy.h:63:20: error: Python.h: No such file or directory:

yum install python-devel


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