HHVM is an open-source virtual machine designed for executing programs written in Hack and PHP. HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the development flexibility that PHP provides.
Spam bots were parsing websites html to code and searching for form patterns. What they luckily don’t do in most cases is running javascript or applying css code.
This behaviour is a good way to tell a human from a spambot apart.
Here is a simple example of how to make use of this behaviour to prevent a lot of spam.
Ruby is a dynamic, open source programming language with a focus on simplicity and productivity.
To install Ruby we are going to use RVM (Ruby Version Manager).
This installation differs from other as you don’t run it with user privilegs, that means no more sudoing for this guide.
For this task we are going to configure a duplicity script wrapper.
Unregarded of the installation instructions it’s expected that you have already signed up for an Amazon account and know how to use their services.