Use import and export feature, when you want to create a new virtual machine with the same configuration of an existing machine in Hyper-V.

The exported virtual machine files are saved in the server, and can be reused as many time as you want to create new VM.

Machine generates new SID while importing from the machine files. This future will help us to clone N number of virtual machine without any conflicts in same network.

Synergy is an open source network utility which can be used to share one keyboard and mouse with multiple systems.

Synergy utility works on client-server model.

The system whose keyboard and mouse you want to share, runs the synergy server service (synergys), and all the other systems runs the synergy client service (synergyc) to connect to server.

There are 4 kinds of layouts in Android:

  1. Linear – Views can be aligned horizontally or vertically
  2. Relative – Views are located according to the relationship to each other
  3. List View – Views are displayed one by one vertically and scrollable
  4. Grid View – Views are displayed inside a vertical scrollable grid


If you are developing Java web application, you should consider deploying it on open source JBoss AS Java application server.

This tutorial explains how to install JBoss with SSL support on Linux.

Typically you’ll see .php as the extension for PHP files that are served by a webserver.

Sometimes you might also have a php file that has an extension other than .php, and in those cases, the webserver might not be able to serve that file.

For discussion purpose, let us assume that you have written PHP server side coding in a file with “.myext” extension. For some reason, you want to keep the file extension this way for testing purpose, without having to rename it to .php

The set {1, 2, 3, …} is known as the set of natural numbers, they are usually signed as N numbers.

This tutorial is about prime numbers. So what are prime numbers?

Let us take number 15, which could be represented as shown below. This is not a prime number.
15 = 1 * 3 * 5

How to Create Filesystem Snapshots using Snapper Command on Linux

by Karthikeyan Sadhasivam on March 12, 2014

Snapper is a Linux command-line tool to create and manage snapshots of your filesystems.

Using snapper command, you can create read-only snapshots. You can use these snapshots to restore specific files or all files during any disaster situation.

You can also use it to compare multiple snapshots and revert back to a specific old snapshots.

Few GDB Commands – Debug Core, Disassemble, Load Shared Library

by Lakshmanan Ganapathy on March 11, 2014

GDB is an essential tool for programmers to debug their code.

This article explains how you can use gdb to debug a program with the core file, how to display assembly language instructions of your program, and how to load shared library programs for debugging.