Cassandra Nagios plugins

I am trying to monitor cassandra using nagios casandra plugins by following this link. http://assets.nagios.com/downloads/nagi ... ios_XI.pdf
I do not see core config manager as I am using Nagios 3.3.1. How do we configure casandra specific checks using Nagios Core 3.3.1. Can anyone who did it point me to a good resource please.
Thank you in advance.
I do not see core config manager as I am using Nagios 3.3.1. How do we configure casandra specific checks using Nagios Core 3.3.1. Can anyone who did it point me to a good resource please.
Thank you in advance.