Many new Wireshark users on Mac OS X run into an issue where no interfaces show up when trying to begin packet capture. If you attempt to manually input an interface (such as en0) this error will occur: The capture session could not be initiated ((no devices found) /dev/bpf0: Permission denied). To have the interfaces [...]

I have returned from my trip to Costa Rica! Typically I don’t write about my personal experiences on this blog, but I’ve decided to try a photo journal style entry this time. Don’t worry, your regular nerd posts will resume shortly. As always, click the photo to go to the Flickr page. From there you [...]

Bash is an extremely powerful shell, but its shortcuts are not readily apparent. Here are a few shortcuts and tips that I’ve noticed many (already proficient) bash users are not aware of. You can also check out Improved Bash History and More Useful Bash/Terminal Settings for more ideas for improving your bash productivity. Bash Navigation [...]

I got tired of the performance issues I was having so I’ve migrated my blog to a Slicehost slice (512MB). Hopefully nothing is broken, but if you notice something let me know. Everything should load more quickly and consistently going forward!

To make up for posting that downer of a TSA article how about some photos from the day I spent in Jasper National Park? Click any image to go to the Flickr page and see it in larger sizes. Or you could just view the entire set! A Cold Canoe Ride Big Horn Sheep Ice [...]

Having just returned from a trip to Canada I have now experienced the new TSA security theater1 for flights inbound to the US from abroad. Hopefully your own experience will not mirror mine, but if these restrictions stay in place this post could be helpful to some.2 At check-in we discovered that the TSA will [...]