I install munined on Mac OSX, however there is no CPU or Memory or very basic plugins installed. On the system
/opt/munin/lib/plugins it has lots of advanced plugins like apache or bind9, but nothing for the basics. What could be going on?
The plugins don't exist as Munin was developed from a Linux standpoint.
If you need the functionality, I suggest that you review how the Linux plugins for your needs work; then port them to Mac OS X.
You would want to review the man pages for:
They are different to what you would expect from a Unix system.