I have a fun job. I’m a Software Engineer at Safari Books Online. I focus on automating our back-end infrastructure. I also experiment with prototyping hardware architectures. My boss, Clark Hartsock, loves low powered RISC boards for data crunching. We built a 12 Terabyte 10 nodes cluster to compete with our older Atom based stack. … [Read more…]
How many times have you wanted to install rails 3 on a system and you ended up in dependency hell? I know I have. Life was simpler with Rails 1 and 2. You could use ruby 1.8.7 and all was good. Now you should use 1.9.3. On ubuntu systems it is confusing to install ruby … [Read more…]
Last night I saw a beautiful moon ring in our backyard. I took out the tripod and snapped a few pictures.
I made a Tweet-A-Watt last year which is a hacked Kill-A-Watt wall plug that sends data wireless to a computer. The twitter API has changed a lot since then, it now uses OAuth to authenticate tweets. I cloned ladyada’s Tweet-A-Watt github repo and started getting to work. My code isn’t ready to push up to … [Read more…]
This weekend I made an Atari Punk Console out of some wood and PVC scraps. I wanted to make a portable player that could feed into a larger amplifier. I added a line out to the system for this purpose. The wood and PVC are glued together but the PVC to PVC connection is free. … [Read more…]
We made a nice soup this week that we want to make again soon. It was really easy and healthy. 2 quarts vegetable broth 1 cup uncooked barley 2 large carrots, chopped medium celery, chopped 1 (14.5 ounce) can diced tomatoes with juice 1 (15 ounce) can garbanzo beans, drained 1 onion, chopped 3 bay … [Read more…]
This time I had a better camera mount. Same type of footage but at a better angle.
Last Fall I built a radio controlled car track in our backyard. Here is my first impromptu video shot on my iPhone.
Last Fall Craig and I took a trip to Pt. Reyes. We did an overnight in the Wildcat campground. On the way back to Sonoma we took the coastal rd out of Pt. Reyes. We saw this bobcat in a field on the drive home.
I am a big fan of LED blinky lights. I’m an even bigger fan of full color LED blinky lights. I found some great color changing LEDs and wired them up to my Arduino Uno. The Arduino is a great platform for playing with electronics. It’s open source hardware and it has a great community … [Read more…]