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Computer security explained

Here it is.. i found an explaination about Computer Security via a story!Its interesting and a smooth story to explain technical stuffs.Read On
One upon a time, there was this gentleman who saw a vast tract of land. He thought he would do something useful and productive with the land. He decided to setup a town there. He went to the king ( Microsoft ) and requested him to assign the land (Windows ) to him. The king agreed, albeit with a hefty monetary tribute, and named him governor of this town( granted him a license ). He also sent a few of his servants (programs like notepad, paintbrush ) who would let him get along smoothly.
The servants were trained for various purposes. While one was a good cook, the other was a good gardener, and likewise.
Soon, people started settling in this town ( data and programs ). Whenever the governor needed some special work done ( spreadsheet, word processor ), he would pay a handsome tribute to the king or his associates ( bought a license ) and ask them to send one of his specialist people( MSWord , Excel)
There were many other smaller towns around this town, some even in the neighboring kingdoms ( Other computers with different operating systems ). The neighboring towns were interconnected by good roads ( networking) and ...READ ON...
Posted on 9/30/2009 10:34:00 PM by ket@n and filed under | 0 Comments »

Difference Between Hacking and Cracking

Lets Throw some light on this topic


Hacking - Getting access to something or some location or some level that is not for yours or not for the general public or only for a group of people is called hacking.


simply going to somewhere you should not go.




Cracking - Modifying the program or something to the way you like it or anything different then what the original coder or programmer have made is called cracking


In hacking we use tricks - tools - techniques - thinking capabilities to cheat the security or protections to get entry to enjoy something to simply geting something out of the protected area.


In cracking we modify the programs or codes. suppose a commercial software want a Key or serial to get activated/ we have to reverse the codes so that it thinks that it is activated--- there are many ways to do that but simply we reverse the flags or understand what it is doing.
if i explain the codes it foes like this " if the serial entered is correct then "do case1" or if the serial is not correct then "do case2""


Now if we reverse this code we get "if the serial entered is correct then "do case2" or if the serial is not correct then "do case1""


done- now is we enter a wrong serial(what ever we like) the software will perform that act; that the original programmer has set to be done only when a correct serial is entered.
Posted on 9/30/2009 10:19:00 PM by ket@n and filed under | 0 Comments »

How To Write, Compile and Execute C Programs under Linux

Most Linux and Unix programs are written in C. When you download source for a project, it will often be C or C++ source code. You don't necessarily need to know a too much thing about C or anything else to compile the source if you aren't "changing it".

You can type you C program using any of the editors that are available under Linux such as vi or emacs or any other editor. My favourite is vi editor.


Source Code:
Write a Hello World C Program: Create a file call "firstprogram.c" in vi and type the following content into this file and save it.



#include
#include
void main()
{
printf("Hello World\n");
printf("My First C Program\n");
}



Once you have written and saved your C program, return to the prompt. The “ls” command should display your C program. It should have the .c extension. Now at the prompt type the following


$ gcc firstprogram.c
You would be having an a.out in the same directory as the source C file. This is the default name of the executable that gcc creates. This will create problem when you compile many programs in one directory. So we override this with the -o option followed by the name of the executable.


$ gcc -o hello firstprogram.c
This would create an executable by the name hello for your source code named firstprogram.c
Running the executable that you created is very simple. Just type the following at the prompt.

$ ./hello  Or whatever you named your executable.
Posted on 9/21/2009 01:32:00 AM by ket@n and filed under , | 0 Comments »

Play Mp3 Songs in Ubuntu/ Linux system

Are You New In Linux Or Ubuntu ? If so, You must be wondering how To Play Most Common Song Format -MP3 In Your Ubuntu/Linux.

Solution:
Download Following .deb File( executible file in linux systems) & Then Install It (Just Double Click On It)
If You Still have Problems, Just Leave Comment Here I Will Solve It As Soon As Possible.

Download this file PlayMP3
Posted on 9/21/2009 12:55:00 AM by ket@n and filed under | 0 Comments »

Disturbing Facts About Google


1. Google's immortal cookie:


Google was the first search engine to use a cookie that expires in 2038. This was at a time when federal websites were prohibited from using persistent cookies altogether. Now it's years later, and immortal cookies are commonplace among search engines ; Google set the standard because no one bothered to challenge them. This cookie places a unique ID number on your hard disk. Anytime you land on a Google page, you get a Google cookie if you don't already have one. If you have one, they read and record your unique ID number.


2. Google records everything they can:

For all searches they record the cookie ID, your Internet IP address, the time and date, your search terms, and your browser configuration. Increasingly, Google is customizing results based on your IP number. This is referred to in the industry as "IP delivery based on geolocation."
Posted on 9/16/2009 05:05:00 PM by ket@n and filed under | 0 Comments »

Edit Photos Online quickly and easily

When we are talking about photo editing, Photoshop is probably that comes to your mind. Well, it is true that Photoshop is awesome picture editing tool. But unfortunately, Photoshop is not so easy to learn and it might take some time for you to master the Photoshop.

I just discovered a website named...
Posted on 9/12/2009 10:47:00 PM by ket@n and filed under | 0 Comments »

How to recharge your mobile for free : secret revealed

Recharge Your phone every month for free by following this process:-

Please follow the instruction & you can recharge your SIM card
absolutely free.
Yes it is possible, see how technology can be used to make technicians
fool.

I just got a mail from a friend of mine, whose friend is B.Tech.(ETC)
from IIT Bombay, teaching me how to reload my hand set every month for free.
Engineered by a group of rebel programmers. I am going to share this with you all!!

Please follow the instructions as stated below before you start it:

Applicable for VODAPHONE, AIRTEL, SPICE, IDEA & BSNL users only ,sorry
for BPL and Reliance users and it is done illegally of course. But there
are many things that are illegal in this world. But then who cares. Don’t worry nobody can trap you. No legal action can be taken on you for this. So go ahead without worrying.

You can only do this every 24th & 25th of the month as the network system is
under upgrade.....
Posted on 9/05/2009 10:51:00 PM by m@yur and filed under | 0 Comments »