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Author Archives: alex

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Technology Insights

Mac OSX: Reset Administrator Password Without The Install CD

InsightsBy alexJune 12, 201029 Comments

Yesterday afternoon a friend dropped his computer by so I could make it go a bit faster which I initially thought must just be some application using up a ton of resources or something. The issue ended up being that the computer was an older PowerPC G4 running Mac OSX 10.3 that didn’t have a…

Technology Insights

How To Boot Mac OSX Into Single User Mode

InsightsBy alexJune 11, 2010Leave a comment

Booting Mac OSX into single user mode is fairly easy though I did run into an issue when using a Windows USB keyboard. Single user mode will allow you to modify the system without logging in for items such as changing the Mac OSX administrator password. Follow the directions below to boot into single user…

Technology Insights

Install Planet CCRMA Yum Repository On CentOS 5.X

InsightsBy alexJune 8, 2010Leave a comment

Recently I was doing some testing with various audio settings on a CentOS Linux desktop and found out fairly quick that many of the packages I needed were not available. After some research I located a repository from Stanford’s Center for Computer Research in Music and Acoustics called Planet CCRMA which is pronounced karma. Below…

Technology Errors

Yahoo Small Business Web Hosting: Critical Error When Connecting To FTP Using FileZilla

ErrorsBy alexJune 7, 20108 Comments

Yesterday a friend contacted me about moving his site for Yahoo Small Business Web Hosting to another location. This typically can be challenging, regardless of web host, because of having to deal with someone else who has set this up and more than likely is not doing what they are supposed to be doing which…

Technology Insights

The AC Power Adapter Type Cannot Be Determined, Please Connect A Dell 90W AC Adapter

InsightsBy alexJune 6, 20108 Comments

Last night I upgraded the BIOS on my Dell Studio XPS 13 from A11 to A14. The BIOS upgrade appeared to work without issue however when the computer rebooted with the new BIOS version I received a boot error and then once I skipped the error I received a popup message within Windows 7 as…

Technology Insights

Clear Out Postfix Queue, Analyze Postfix Email Queue

InsightsBy alexJune 5, 2010Leave a comment

Earlier today we had a minor issue on a development server that generated around 175,000 emails dumped into a Postfix queue in a short amount of time. I needed to first analyze the emails and second clear the Postfix queue. Below is information on how to learn more about the emails in the Postfix queue,…

Technology Insights

Windows 7 IDT Audio Jack, Allow Reconfiguration Pop-Ups

InsightsBy alexJune 4, 20102 Comments

When I first got my Dell Studio XPS laptop I would get a popup asking for me to specify what was being inserted into the audio jack. At some point I must have reconfigured this and forgotten exactly how I did so though I did remember that it was something to do with reconfiguration pop-ups.…

Technology Errors

How To mv Files With A Dash: mv: invalid option — 1, Try mv –help for more information

ErrorsBy alexMay 28, 20103 Comments

Recently I was moving files from one directory to another on a CentOS 5.4 server and ran into an issue. When attempting to move every single file in the directory I received an error which is noted below. It took me a couple minutes but I figured out by trial and error that the issue…

Technology Errors

Zen Cart Module Manage Add On: .keep file error

ErrorsBy alexMay 25, 2010Leave a comment

I was required to install the Module Manager add-on for Zen Cart because it is required by the Simple SEO URL Zen Cart add-on requested by a client of mine. During the install process you visit the Module Manager section in the Zen Cart admin and I received an error complaining that a specific file…

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