I installed Munin and I have blank grapahics - no stat, I opened port for munin-node but still no stat.

Process Backgrounded
2007/03/09-09:20:40 MyPackage (type Net::Server::Fork) starting! pid(25513)
Binding to TCP port 4949 on host *
Setting gid to "10 10"
Use of uninitialized value in eval {block} exit at /usr/sbin/munin-node line 452, <CHILD> line 8.


root 25513 0.0 0.2 9828 5808 ? Ss 09:20 0:00 /usr/sbin/munin-node


Anyone can help me?