Asterisk: The Future of Telephony

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Title: Asterisk: The Future of Telephony
Author: Jim Van Meggelen, Jared Smith & Leif Madsen
Published: 2005 by O'Reilly
ISBN: 0-596-00962-3

I've been playing with Asterisk for about a year, and I've been interested in it for twice that, pretty much since I started working with proprietary PBX systems. First was a Nortel, and now a Vodavi and an NEC. I can't understate the symplicity of having a computer-controlled (especially a Linux-based one) phone system.

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Open Read-Only in Excel

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Please don't hate me! I only use Excel because they make me and I substitute OpenOffice.org Calc for Excel whenever I can. Ok, with that off my chest I'll tell you the tale of my latest battle with Excel. Seriously, people use this thing and like it?

We use a number of spreadsheets at work for keeping track of IP addresses and the like. By default Excel locks an open spreadsheet so that others who open it can only do so read-only. Well, most of the time I'm looking up information and not changing it, so it would be better the other way around. With a little googling I figured out the commands for adding a shell option to open a spreadsheet read-only.

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Ruby on Rails

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Over the weekend I decided to investigate Ruby and see what all the fuss is about. After reading a few language tutorials I realized that the only way to really get a feel for Ruby would be to write a program. I couldn't think of anything I really needed to write, so I rewrote my Christmas Wishlist program using Ruby on Rails.

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Declude is De-stupid

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I got this bounce message caused by a virus, which I'm guessing I didn't cause. It came back because my domain was used as the sender. Full headers weren't included so I can't be sure where it actually originated. That's part of my problem. But read the email and hopefully you'll see why I now hate Declude. That's right. They're officially on my not-invited-to-parties list.

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Manual route override in Exim 3

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Ever heard of publicaster.com? Yeah, me neither. Apparently one of our customers has as he attempted to send an email to them last week. Unfortunately, it got stuck in the queue because of a combination between a weird configuration in publicaster.com's DNS and Exim 3.

Hotmail *does* care

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The other day I received a spam message from a Hotmail account. What was surprising was that this was from the actual hotmail account, not forged. Not really being interested in 240kg worth of CASH, I instead forwarded the message to Hotmail abuse. I got a response today that they had shut down the offending account. For some reason that just made me feel like there still is good in the world, even at Microsoft.

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Sausage Cheese Bread

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I was watching Emeril last week (yeah, I know. I promise it's not a normal occurance) and saw a great recipe for a sausage and cheese stuffed bread. Actually, the recipe was pretty poor. I had to make it up as I went along but that was fun too. Of course, that means that you'll have to do the same since I didn't take time to measure everything either.

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Windows application defaults

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I've got an account on a Windows 2000 Terminal Services machine at work. For some reason it won't allow me to change the file associations. I need to change the program that opens EML files, which are Outlook Express mail files. Since generally I'm looking at this mail because it's spam or viruses, there's no way I'm letting Outlook Express come within 10 feet of it. That would just be an invitation for disaster.

So here's how to change the file assocation via the registry instead.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.eml

Add a new String Value with name "Application". For the data, put the name of the program you'd prefer to use, such as "gvim.exe".

That's all it takes. Pretty cryptic, huh?

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