SaltStack, or Salt, is a popular open source configuration management solution which can be used to implement remote execution, configuration management, code deployment and much more. Salt can manage tens of thousands of servers in parallel. Thanks to its ease of use, scalability, and high efficiency, Salt has been widely used to manage various infrastructures around the world. In this article, I will show you how to install Salt on two CentOS 7 server instances to implement the Salt agent-and-......