The Creation of Java Java was conceived by James Gosling, Patrick Naughton, Chris Warth, Ed Frank, and Mike Sheridan at Sun Microsystems, Inc. in 1991. It took 18 months to develop the first working version. This language was initially called “Oak,” but was renamed “Java” in 1995. Between the initial implementation of Oak in the … Read more
INFORMATION SECURITY “ To catch a thief, to prevent from theft, think like a thief”. The idea is that if as a security professional you don ̳t know what threats you are facing from crackers/hackers, you will never be able to build an efficient security system. In fact many a times in movies you would … Read more
INTRODUCTION TO INFORMATION SECURITY Two hundred years ago, you probably would have made a living in agriculture. One hundred years ago, you most likely would have worked in a factory. Today, we live in the Information Age and almost everyone has a job somehow connected to information stored in digital form on a network. During … Read more
Merry Christmas – Program for Christmas Tree in C To print a Christmas tree, we are printing pyramids of various sizes just one beneath the other. For the decoration, a random character is printed at each position. Height and randomness can be adjusted. This is been repeated frame after frame to give the illusion of a true event. … Read more
C Program to Add two numbers Program to add two integer numbers To read the input numbers we are using scanf() function and then we are using printf() function to display the sum of these numbers. The %d used in scanf() and printf() functions is the format specifier which is used for int data types in C programming. … Read more
Introduction PHP started out as a small open source project that evolved as more and more people found out how useful it was. Rasmus Lerdorf unleashed the first version of PHP way back in 1994. PHP is a recursive acronym for “PHP: Hypertext Preprocessor”. PHP is a server side scripting language that is embedded in … Read more
How to Write and Run a C Program in Ubuntu Linux is becoming a programming heaven for developers. This is an open source and free operating system. Turbo C compiler is already an old approach to compile programs so let us programmers move to Linux for a new programming environment. Step 1: Install the build-essential … Read more
Free Let’s Encrypt SSL certificates on Centos 6 Let’s Encrypt installation The Let’s Encrypt Client is a fully-featured, extensible client for the Let’s Encrypt CA that can automate the tasks of obtaining certificates and configuring web servers to use them. The installation is simple but in my case on CentOS 6.x I first needed to … Read more
How to add new hard disk in centos Finding the New Hard Drive in CentOS 6 Assuming the drive is visible to the BIOS it should automatically be detected by the operating system. Typically, the disk drives in a system are assigned device names beginning hd or sd followed by a letter to indicate the … Read more
How to Install MySQL 8.0 on CentOS 7 MySQL is an open-source free relational database management system (RDBMS) released under GNU (General Public License). It is used to run multiple databases on any single server by providing multi-user access to each created database. Step 1: Adding the MySQL Yum Repository 1. We will use the … Read more