TechGeeks

                  Ever thought of making your computer greet you as soon as you boot up. A woman voice saying to you , '' Welcome back, [your name]! Hope you are okay!! " . It gives you a Tony Stark feeling of genius. So, lets get to it. Prerequisites: 1. Linu x operati ng system 2.Basic knowledge of shell and terminal 3.Espeak:You can download it by typing " sudo apt-get install espeak " in the                         terminal. Step 1: Writing the bash file Open text editor of your preference and write a  bash script. This script would be the base on which we will add some features. #!/bin/sh sleep 60 espeak -v en-us+f3 -s160  "Welcome Back Home [your name]" #using espeak to make the computer greet     espeak -v en-us+f3 -s160  "Hope you did not miss me much...

                             Hello this is virtual . In the last tutorial I taught you the basic uses of Nmap . This is a continuation of the previous post concentrating on some advanced uses of Nmap .   1. Zenmap : This is a GUI of Nmap . To access it type ' zenmap ' in the Terminal [in root] . It is much easy for beginners and is interactive . 2 .Scan for an entire subnet :   Let me give an example.If you want to scan for entire Class C subnet with port 80 open type             nmap  <ip>/24 -p 80  Eg. nmap 192.168.0.1/24 -p 80     3 .Evading Intrusion Detection System : Most commercial servers have Intrusion Detecting System which alerts the system administrator in case of malicious activity . The best way to evade them is to slow down the s...

                         Open source tool Nmap is a popular choice amongst hackers and security pros. It is the first choice to perform active reconnaissance. WHAT IS RECONNAISSANCE?? The word reconnaissance is borrowed from its military use, where it refers to a mission into enemy territory to obtain information.In computer reconnaissance generally means the act of knowledge gathering by hackers.It involves the act of scanning a machine for open ports and services associated with them. LETS START! Nmap is the most popular tool used by hackers for reconnaissance.It comes inbuilt in Kali linux and Parrot Security OS. If you are using any other Linux based OS like Ubuntu, you can install it by  sudo apt-get install nmap To check if nmap has been installed type  ' nmap ' and press Enter. { Do this in root ( try ' sudo -i ' ) } ...

                        Everone is aware of the Open-Source Operating System Linux.In today's post I will teach you to install git in your Linux machine. Installing git would allow you to download and upload repository from and to github.     Installing Git will help one to clone repositories from GitHub . So lets install Git. Step 1. Open Terminal and type                           sudo apt-get install git             This command will install git in your computer. How to clone repositories from GitHub. Open Terminal and type                sudo  git clone <git clone url> (  Eg . git clone https://github.com/LionSec/katoolin.git  ) Read about the various open source licenses from here and become a better developer. ...