Cynic's Blog

Design Patterns listed out in GoF  Creational Pattern Abstract Factory Builder Factory Method Prototype Singleton Structural Pattern Adaptor Bridge Composite Decorator Facade Flyweight Proxy Behavioral Pattern Chain of Resposibility Command Interpreter Iterator Mediator Momento Observer State Strategy Template Method Visitor

RabbitMQ is an AMQP provider i.e. it can reliably queue, service and maintain messages according to a range of policies and parameters. By default, it listens to plain old TCP connections and sends and receives messages over plaintext. This feature just works "out of the box". For users who wish to use SSL over TCP aka TLS, it requires a bit more work on their part. First, let's create a bunch of certificates and sign them with our own CA. For this, we'll use easyrsa3 . Easyrsa is a CLI tool to create, sign and manage your own certification authorities. It's maintained by OpenVPN team. Download easyrsa using your native package manager i.e. yum or apt-get $cp -Rp /usr/share/easy-rsa ~/easy-rsa-3   $cd ~/easy-rsa-3 $./easyrsa init-pki $./easyrsa build-ca $./easyrsa build-server-full broker [nopass] $./easyrsa build-client-full client1 [nopass] This creates three entities (collection of private keys, public keys and certificates) for a CA, a s...