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Load balanced cluster with Raspberry Pies

Posted 08-13-2013 at 03:19 PM by Pyplate

I finally got around to doing it. I've set up a 4 node Raspberry Pi cluster. It's not that powerful, but setting it up has been good practice.

I used an old PC running Lubuntu as a load balancer. I just installed Apache and I'm using Apache's balancer module. I installed Lubuntu because I'm using a very old PC that has 512MB of RAM. The PC is more powerful than the cluster, but if I just used the PC as a server, I wouldn't have learned anything about load balancing.
...
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Old

WiringPi-Perl example

Posted 08-12-2013 at 09:11 PM by drask
Updated 08-16-2013 at 01:11 PM by drask

This is a Raspberry Pi project I did a few months ago and meant to post somewhere. There is a Perl interface to the WiringPi module. It's available from https://github.com/WiringPi/WiringPi-Perl. Unfortunately it doesn't come with any examples, but the WiringPi module comes with some nice examples. Unfortunately they are all written in C and it can take some trial and error to translate and I never found any translations of the examples online, or any WiringPi-Perl specific examples.
...
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Old

Giada – Audio tool for DJs, live performers and electronic musicians

Posted 08-09-2013 at 08:05 AM by sridhar11

Giada is a free, minimal, hardcore audio tool for DJs, live performers and electronic musicians. How does it work? Just pick up your channel, fill it with samples or MIDI events and start the show by using this tiny piece of software as a loop machine, drum machine, sequencer, live sampler or yet as a plugin/effect host. Giada aims to be a compact and portable virtual device for Linux, Mac OS X and Windows for production use and live sets.

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Old

Autotrash – Purges files from your trash based on age and/or filename

Posted 08-07-2013 at 03:28 AM by sridhar11

Autotrash is a simple Python script which will purge files from your trash based on their age or the amount of free space left on the device. Using autotrash -d 30 will delete files which have been in the trash for more then 30 days. It uses the FreeDesktop.org Trash Info files included in the new GNOME system to find the correct files and the dates they where deleted.

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Old

Antennae are up.

Posted 08-05-2013 at 10:40 PM by peonuser
Updated 08-08-2013 at 01:21 PM by peonuser

Built a couple of diy TV antennas. One built by a lady on instructables.com (that she borrowed the instructions for from Squidoo) was highly touted. We did not have as much luck with it as the ones we already have. caveat emptor.

The MSP430 from TI would not take any code. ran:

sudo apt-get install mspdebug msp430mcu msp430-libc libgempc430 gcc-msp430 gdb-msp430

Did the permissions thing with making a udev rule.

All was well.(used debian...
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