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Virtualization and Linux What is Virtualization? Virtualization is an important term in computing which refers to the act of emulating a virtual version of something, be it an operating system, desktop, network or storage. it was originally devised as a method of logically dividing the system resources. The most basic form of virtualization that many are familiar with is creating logical partitions in a hard drive to make separate space for the operating system and user data.  The different types of virtualizations have been briefly mentioned below: Network Virtualization : Through this method, the available bandwidth in a network is split into channels, which can then be assigned to different devices, independent of each other. Storage Virtualization: This method is used to combine physical storage devices from multiple networks into a single virtual storage which can be centrally managed. Server Virtualization: Server Virtualization is used to mask server resources from users ...

1. Objective At the end of this blog you will be able to:- Explain the term ethical hacking Describe types of ethical hackers & hackers vs crackers 2. Overview of Ethical Hacking Information Security Companies face various challenges to guard the infrastructure. Corporate network allows internal and external users to use corporate devices or BYOD (Bring Your Own Device). In this kind of environment, there can be multiple applications that can be a threat to the corporate network. Apart from the above challenges, cyber threats have become additional aggressive, complicated and complex challenge. Attackers can be anyone whether it is a discontented worker, cyber terrorists, criminals, crime rings and nation states. The assaults can incorporate digital wrong doing, hacktivism and reconnaissance Hacktivism is the act of hacking, or breaking into a computer system, for a politically or socially motivated purpose. The individual who performs an act of hacktivism is said to be a hacktivis...

FIXED- Ubuntu 18.04 blank screen (no desktop icons) after login Hey guys, you might have faced this problem in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This generally happens when your are installing a compiz or updating any software, upgrading software, due to NVIDIA graphics, due to broken packages. I had also faced the same issue when I was trying to install Ubuntu unity desktop on Ubuntu 16.04 LTS. And I got the solution how to fix black screen (no desktop icon) after login Ubuntu 18.04 LTS. So here I'm sharing the solution step by step commands , only you have to just copy and paste the command in the terminal by pressing CTRL+ALT+F1 in desktop area. Below are the Solutions to fix Ubuntu 18.04 blank screen (no desktop icons) after login :- Solution 1: Ubuntu 18.04 desktop icons not showing See if this works for you or not First, open terminal by CTRL+ALT+F1 sudo dpkg --configure -a sudo apt-get update sudo apt-get upgrade -y sudo reboot Now restart your Ubuntu machine, and then...