How to install ZAP (Zed Attack Proxy) in ubuntu

1. Download ZAP from below link.

    https://github.com/zaproxy/zaproxy/wiki/Downloads
    Download linux package from this link.

2. Extract the downloaded file. 

I extracted this file inside Home -> securitytesting.

3. Open ZAP using command prompt. 

Open command prompt by using ctrl + alt + T.

Go to Home -> securitytesting -> ZAP_2.6.0 in command prompt by using cd securitytesting/ZAP_2.6.0

Then use command ./zap.sh to open ZAP.