Hardware, Raspberry Pi

PartyTube – YouTube-video powered party jukebox for RPi

Last month I had a Halloween party. Many people don’t seem to like the music I like, and I generally don’t like their music either. While planning my party it occurred to me that the music selection should be a collaborative process that included the guests. I spent the next few hours making my “Partytube”…
Telephony

Grandstream Simple HTTP Configuration Pusher

Here is a simple bash script that logs into the web interface of a Grandstream IP phone and submits some configuration changes, and then reboots the device for the changes to take effect. I wrote this to update a handful of Grandstream phones with a new phonebook XML URL, but it could be used for…
Telephony

Grandstream Phone Book Creator for Elastix

Do you run the Elastix PBX management environment to Asterisk? Do you use Grandstream IP Phones? If you answered yes to both of these questions, then this might be helpful to you. Grandstream GXP21xx/GXP14xx/GXP116x IP phones (and possibly others) can be configured to automatically download an XML formatted phone book file. The Elastix interface already…
General Nonsense, Software

Fun with Garmin Forensics

As you’ll recall from my Christmas post the company I work for is replacing their fleet management equipment, and in part that means upgrading some of our older Garmin GPS screens. As a result a steady stream of old equipment has been trickling into my office. Even though these units no longer fit our needs,…
General Nonsense

Garland & Garmin Greetings

My office at work wasn’t feeling very Christmas-like, so I flaked out a little and hatched a plan to address the stark lack of festiveness. I have a bunch of these old Garmin Nuvi 5000 model GPS displays in my office right now. We are replacing our fleet management software and with it our vehicle…
Bash

Bash Snippet: Decimal to Binary Conversion

Convert a decimal value into the binary representation and vice versa in Bash using only built-ins. If you know a better way, please let me know. To ensure a properly formatted expression for the arithmetic expansion in bin2dec, the dec2bin function prefixes zeros as needed to pad to a character count evenly divisible by 8….