I want to setup a web server by using my wireless interface. Just wanted to know for testing purpose as I have setup LAMP. I'm connected to Internet through Wifi and at the same time I want to serve a website. I am following this website to setup LAMP: "https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu-16-04"
Where they told me to know "Server's Public IP Address" After entering the command it shows:- "Device "eth0" does not exist" as I'm using my Wireless Interface. Someone clear me this concept.