New PC Vs. New Motherboard – Which one should you go for?

If you don’t want to spend big bucks on a new PC, consider upgrading your old system’s motherboard and CPU. This can boost the machine’s performance and give you access to the latest technologies. It can also save you hundreds of dollars. What you won’t get is a new hard drive, optical drive, or operating […]

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Connecting Braille Displays to Android Using BRLTTY

BRLTTY is a daemon for providing access to the Linux / Unix console via braille displays. However, this product may be of interest not only for technically advanced blind users of UNIX-like operating systems, but also for ordinary people using smartphones or tablets on the Android platform. The fact is that BRLTTY has a version in the form […]

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Help! My Computer is Beeping on Startup

Beep Code Manual, Better Than Gold Techies, American Megatrends Int. & Phoenix (I’m IT, I use these codes to trouble shoot hardware issues at my job. Enjoy) cold.gif BIOS Beep Codes When a computer is first turned on, or rebooted, its BIOS performs a power-on self test (POST) to test the system’s hardware, checking to […]

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An Architectural Overview of UNIX Network Security

1. Introduction The goal of this paper is to present my concept of a UNIX network security architecture based on the Internet connectivity model and Firewall approach to implementing security. This paper defines several layers of a firewall, which depict the layers of vulnerability. This paper also provides some subjective comments on some of the […]

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Counterfeiting Money, Is it even possible?

Before reading this article, it would be a very good idea to get a book on photo offset printing, for this is the method used in counterfeiting US currency. If you are familiar with this method of printing, counterfeiting should be a simple task for you. Genuine currency is made by a process called “gravure”, […]

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