etcdirectory. Usually it’s
shinken.cfgis meant to be main configuration file that will call all others
No, there is no need to change your existing Nagios configuration. You can use an existing Nagios configuration as-is, as long as you have installed the plugins expected by the configuration.
Once you are comfortable with Shinken you can start to use its unique and powerful features.
The next logical steps for a new user are as listed in the Getting Started pages:
New and experienced users sometimes need to find documentation, troubleshooting tips, a place to chat, etc. The Shinken community provides many resources to help you. You can discuss installation documentation changes in the Shinken forums.