How can Aircrack-ng in install in Ubuntu

1st Step :

Just Download Aircrack-ng from here....
Aircrack-ng 1.2 Beta 2 Download

it will be in compressed format .

2nd Step :

when you will download it it will be downloaded in Downloads directory.
Thats you you have to change your directory for install and unzipped .
just follow the it

open your terminal and type

` sudo -s `
it will change you into Root. and will ask for Password .Just enter the password and hit Enter.

NOTE : PASSWORD WILL NOT BE SHOWN BY TERMINAL

After change in to Root just type Following Commands
Before Install Aircrack-ng you have to Update your APT
just type following Command

` sudo apt-get update `
After its updating you have to install Build-essential in ubuntu
just type Following command
` sudo apt-get install build-essential `
After installation of this process we are going to extract your downloaded file
Just type following cmd
` cd Downloads `
this command will change your Directory in to Downloads .Here should be your Downloaded File name with Aircrack 1.2 Beta 2 Or anything else .

3rd Step :

you have to unzip files  from .tar.gz
Just type Following Command

` tar -zxvf aircrack-ng-1.2-beta2.tar.gz `
this command will unzipped your file and will make a folder in same directory with name Aircrack-ng-1.2-beta2

4rh Step :

next step is to change your Directory from Downloads to Aircrack-ng-1.2-beta2
type Following command
 ` cd Aircrack-ng-1.2-beta2 `
then
hit enter
after it
type a command
` nano common.mak `
this is a file which have to change like this ....

1.  CFLAGS         ?= -g -W -Wall -Werror -O3 

we have to remove WORD " -Werror " it will like this after changing

1.  CFLAGS         ?= -g -W -Wall  -O3 

then you have to save this file and type following Cmd

` make `
hit enter

last Step is to make install
type Following command

` make install `

now your AIRCRACK-NG-1.2-BETA2 is installed now
enjoy ...... and share it with your Friends