Setting up a PHP-based chat application like Le Chat on a Linux virtual machine (VM) with MySQL and Apache, specifically configured to run over the Tor network, involves several steps. Even if you don’t want to run an entire .onion empire, it is good to know the basic rules of such systems, how to set it up and what are the limits of Tor’s privacy. After some research in the topic I found dozens of very different chats on the Onion network that run Le Chat, some are very friendly and legal, the other are dark and hostile. Let’s take a look at how can you host your own instance from the comfort of your chair!