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Virtual private network- A secure way to share data within a company

A virtual private network (VPN) is a technology to connect computer systems with remote computer networks by using the Internet or another intermediate network. In other words, A VPN is a private network that uses a public network to connect remote sites or users together. The VPN uses "virtual" connections routed through the Internet from the business's private network to the remote site or employee.

VPNs can connect individual users to a remote network or connect multiple networks together.
For example, users may use a VPN to access their office system from home.

An Introduction to Cloud Computing

Introduction
Cloud computing means using the computing resources both hardware and software, that are delivered as a service over Internet. In other words, computer and software services necessary for computing works provided via the internet is called cloud computing.

Ways of Improving Communication

Think before speaking - This is not something new, but however often we hear it, we forget to apply it. To think before speaking means to show consideration to the other and then we say the right thing, at the right time, in the right way.

Listen with both ears - We should be an active listener by tuning in fully and being present fully with the person and with the moment. If I am not, I listen through one ear and let it out of the other, or I only half listen, which finally creates misunderstandings.

How DNS server Evolved

Background
To understand the requirement of DNS server, we have to go back to initial stages of networking of the computers around late 1960’s and early 1970’s when only single computer is used in the university due to cost and other factors.

Steps for prevention of Cyber Crime

Prevention is always better than cure. It is always better to take certain precaution while operating the net. ANUP GIRDHAR, Editor In Chief, Cyber Times advocates that we should follow 5 main key points : Precaution, Prevention, Protection, Preservation and Perseverance for online security.

Steps to prevent cyber crime:-

1. Never disclose your personal information publicly on websites. This is as good as disclosing your identity to strangers in public place.

Debugging a shell Script

Debugging a shell script is very essential to check your script for any errors before moving in to production. There are different debugging tips and tricks useful for running your scripts
without any flaw.

  • In order to minimize the errors we should write shell scripts in a
    proper way.
  • When executing a shell script use sh command with below