Puppet Earlier days (1995) we were doing manual configuration and Then after 1998 Golden Image era came where we were having per-installed OS and with applications. Custom on-off script came in year 2000. Software packages came when mortgage goes down in the year of 2008 and Now we have Configuration management systems like Puppet, Chef, Ansible, Saltstack and many more. Here I am going to talk about Puppet from basic to till my knowledge :) . So What is Puppet? Puppet is a Configuration management tool was developed for System administrators. I said configuration Management so what configuration does it manage ? Server configuration What is there in the Server which config you want to manage? Packages Users OS Config Network Files / Directory and many more. Why do we need Puppet when we can manage things- Manually By Automation Manually we can't manage things in today's environment then why we can