BeagleBone Black Wireless – Initial setup and wifi connect

The official BeagleBone Black Getting Started guide isn’t very helpful in connecting the wireless version of the BeagleBone Black (BBBW) to a wireless network. This is what worked for me. 1. Connect the BBBW to a computer via USB and install the USB wireless drivers, as mentioned in Step 2 of the Getting Started guide….

MongoDB Certified

After many years as a professional software developer, I finally felt the urge to pursue one of the many certifications out there. Since I really like using MongoDB lately, and I aced all the MongoDB University online courses I’ve taken, it made sense to take the Certified Developer exam.  

Changing Primary Domain for a Google Apps account

Changing the primary domain name on a Google Apps account is a non-trivial process. I recently needed to do this for a customer, and created a console application that makes the job easier. This works on OS X and Linux; Windows support is unknown (and will not be tested by me). It’s written in Go,…

Installing collectd with Minimal Dependencies on Ubuntu Server 14.04

Installing collectd with the usual command on an Ubuntu 14.04 server: sudo apt-get install collectd results in a ton of packages being installed: acl at-spi2-core ca-certificates-java collectd collectd-core colord dconf-gsettings-backend dconf-service default-jre-headless fontconfig fontconfig-config fonts-dejavu fonts-dejavu-core fonts-dejavu-extra hicolor-icon-theme java-common libasound2 libasound2-data libasyncns0 libatk-bridge2.0-0 libatk1.0-0 libatk1.0-data libatspi2.0-0 libavahi-client3 libavahi-common-data libavahi-common3 libcairo-gobject2 libcairo2 libcanberra-gtk3-0 libcanberra-gtk3-module libcanberra0 libcolord1…

Convert from FLAC to ALAC

Sites that sell lossless usually offer only FLAC files. To convert to ALAC for iTunes and iDevices using ffmpeg: for f in `ls *.flac`; do ffmpeg -i $f -c alac ${f/flac/m4a}; done This assumes the current directory is the directory containing the FLAC files. Explanation: For all .flac files Call ffmpeg with the original file…