Tech Site & Blog

Ruby Gem update system on Debian

When you try to update Ruby Gem --system on Debian systems (probably also on Ubuntu) you will get the following error: ERROR: While executing gem ... (RuntimeError) gem update --system is disabled on Debian. RubyGems can be updated using the official Debian repositories by aptitude or apt-g [...]

ext2 and ext3 on Windows

If you are using dual boot with Windows and Linux you've probably faced with a problem of accessing ext3 partitions from Windows OS. Most of the Linux distributions come with NTFS-3G driver, which allow reading & writing to NTFS partiton. Sadly, Windows doesn't offer such filesystem driver fo [...]

MS SQL Add User

1. Connect to MS SQL server using MS SQL Management Studio. 2. Click on the \"New query\" button in the toolbar on left. 3. Create a database Type following query and execute it: Example: 3. Create login Example: 4. Create user use DATABASE_NAME create user USE [...]

Hackers Clone E-Passports

Two RFID researchers created a video showing how an RFID reader attached to an improvised explosive device could theoretically identify a U.S. citizen walking past the reader and set off a bomb. They haven\'t yet tested the theory on a real U.S. passport since the documents have yet to be distribute [...]

RFID on Mythbusters

Adam Savage talks why they didn\'t do an episode about RFID (In)Security on Mythbusters TV show. [...]

Human implants

Every day people are replacing keys with RFID implants. You can do a lot things easier with RFID, than with keys. Did you ever misplace car keys? With RFID you just need to be in a range of car\'s RFID module and car\'s unlocked. However, security experts have warned against using tags in that ma [...]

What is RFID

RFID is the use of an object (RFID tag) applied to or incorporated into a product, animal, or a person for the purpose of identification and tracking using radio waves. [...]

About RFID

(most common): no battery, require an external power source contain a battery, can transmit signals autonomously and can transmit over longer distances - passports - race timing - transportation payments - product tracking - transportation and logistics - animal identification - inventory s [...]

ffmpeg and x264

How to install ffmpeg with x264 codec support on Debian Lenny (5.0)? By using x264 codec rather than a FLV video format you will gain on video and audio quality. 1. We need to remove any previous ffmpeg installations. 2. Add additional repository to /etc/apt/sources.list Open file with [...]

Use MySQL database in your C++ projects

How to use MySQL DB in your C++ projects. This tutorial is written for Debian Lenny/Ubuntu 9.10. With a few minor changes, it should work on other distributions also. What will you need? - gcc <-- c++ compiler - MySQL server 5.0 installed - MySQL C API To install above programs run [...]