If you decide to remove the default kismet install on Backtrack Linux so you can then compile kismet from source you will be missing some functionality. One of the bits of functionality not installed by default on Backtrack 5 release 3 is the PCRE Regex Filters. You can easily enable this functionality by installing a single package before you run the kismet configure command when compiling the source.
Part of Wireless Assessments is always getting a visual view of your client set up. I am always looking for new ways to do this however the best way I have found is using a tool called GISkismet which was written by a guy I know named Jabra. I was getting ready for work this week and I decided to write a quick article on how to do this. All the tools are open source and available on the backtrack 4 cd except Google earth which you must install.
I recently aquired a new GPS device for use with programs like Kismet and Airodump-ng. Its been a while since I have used GPS devices in Linux and back then they were serial devices. The BU-353 dvice is a USB device so I had to figure out how to get it going.