Grab the net with Arduino

How to access a website with multiple virtual hosts from Arduino Ethernet Shield. The problem is if you have used Arduino Ethernet Shield, then you know that you can connect a IP, But if the IP has multiple virtual hosts, it will only connect to default virtual host. If it is commercial shared VPS, You wont be able to make your site default.

Gist is use of HTTP protocol which allows you to define host in your request on virtual host server. Here are the possible headers.

http://en.wikipedia.org/wiki/List_of_HTTP_headers

You should also provide basic debugging info like “User-Agent” etc.

IRB Console with history and logging

I spend most time with IRB or Rails/console. These are good settings on which I have settled with over the time. These will allow you to have basic logging and IRB history. Just put these in the ~/.irbrc file (If file doesn’t exist then create one).