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.

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…

Recovering Videos Deleted from iPhone

My 19 month old daughter loves to watch videos on my iPhone. She knows right where to go in the Photos app — either in the Camera Roll folder to watch videos we might have recently captured, or in the “Videos” folder containing videos from the computer. Content in the Videos folder is safe from…