This is a silly mistake that can be easily avoided.
I was working on a Perl script that grabbed network traffic information from my ntop server and reported on it. ntop provides an API that specifically supports Perl. Although I was seeing the data coming from ntop, I wasn’t able to work with it […]

Categories: Programming

I recently wrote a Perl script for MRTG that collects the bytes that Cisco NBAR Protocol Discovery has counted and graphs them against the total traffic seen by the interface. (Note: Leave a comment if you want me to publish the script on this site.)
I thought I’d go ahead and point out the OIDs […]

Categories: Programming

I use the Postalicious Wordpress plugin to automatically generate my Tech Messages posts. For some reason, the plugin went wonky last night and posted twice!
I don’t really want two posts with the exact same content, so the second post had to go. Since the post had been live for 12 hours or so, […]

Categories: Programming

Sometimes it seems like a great idea to receive updates whenever someone commits something to your Subversion repository, right? This has definitely seemed like a good idea to me, but it’s only nice if you work in a small shop with only a few developers. Too many developers make this solution more of […]

Categories: Programming

I recently came across Railscasts via Digital Media Minute (that name might sound familiar thanks to Jim’s XHTML Character Entity Reference).
Ryan Bates hosts individual episodes three times a week delivering tips and tricks for Ruby on Rails. Each screencast is less than ten minutes long and requires Quicktime for viewing. (Each episode is […]

Categories: Programming