Category Archives: Linux

Cataloging SDHC Cards on Ubuntu using a bash script

Posted on November 20, 2014 by grymoire

I have a lot of SD memory cards. I use them for my Camera, my Raspberry Pi, and for my laptop. They are cheap enough, I get several spares. And it makes it easy to convert my Raspberry Pi into … Continue reading →

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Setting up your Linux environment to support multiple versions of Java

Posted on November 20, 2014 by grymoire

Four ways to change your version of Java Most people just define their JAVA_HOME variable, and rarely change it. If you do want to change it, or perhaps switch between different versions, you have some choices:  Use update-alternatives (Debian systems) … Continue reading →

Posted in Linux, Shell Scripting, System Administration | Tagged , , , , , , , | 7 Comments

Remote Input shell scripts for your Android Device, or my screen is cracked

Posted on September 17, 2014 by grymoire

My Android has a cracked screen. Help! I, too, had this happen to me. I had TitaniumBackup Pro on my device, but when the new version of KitKat came out, I lost root access because of the update.  I never … Continue reading →

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Setting up the 900 Mhz Freakduino board on Kali Linux

Posted on July 22, 2014 by grymoire

The Freakduino LR is an Arduino board with a built-in 900Mhz radio designed for long range (1 mile). The primary components include CPU: ATMEGA328-QFP32 Atmel AT86RF212 900 TI CC1190 900 Mhz RF Front end This board belongs in the suite … Continue reading →

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Creating Table of Contents for static web pages using sed, make, and perl

Posted on April 16, 2014 by grymoire

Earlier, I showed you how I created a multi-page navigation section for static web pages. But this system has some flaws. I needed better navigation within the web page. I also needed a better way to keep track of my … Continue reading →

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System Development Lifecycle > Security Development Lifecycle

Posted on April 8, 2014 by grymoire

I was asked to list things I consider when creating/designing a world-class application. Whew. That’s  a complex question, and worthy of a PhD thesis, book, etc. Still, several things jumped out at me. And I thought it would be worth … Continue reading →

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Using Amazon’s SES and Sendmail for mailing lists

Posted on December 5, 2013 by grymoire

I have run a private mailing list for years, and recently migrated to Amazon’s SES service. While some documentation from Amazon is available, it is far from complete. Here are some of the changes and improvements I made. First, you … Continue reading →

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Building a Linux-based HTPC Part 4

Posted on March 16, 2011 by grymoire

Continued from part 3. Linux Customization Here’s a guide for debugging sound card problems. There seems to be hope for the Realtek AlC889 hardware. And there’s this post. Here’s a note on PulseAudio.this part Well, this part went very smoothly. … Continue reading →

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Building a Linux-based HTPC Part 3

Posted on January 30, 2011 by grymoire

Continued from part 2 Assembling the P7H57D-M EVO with the SilverStone LC17 First question – do I need a fan installed in front of the disk drives? This is an option, so for now I am not installing a fan. … Continue reading →

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Building a Linux-based HTPC Part 2

Posted on January 29, 2011 by grymoire

Ordering my P7H57D-M EVO HTPC This is a continuation of Part 1 of my adventures in building an Open Source HTPC. I did a lot of price comparison, and purchased parts from Amazon (for the chassis), ExcaliberPC (for the power … Continue reading →

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