"Invalid argument" error for sysctl vm.drop_caches key in Ubuntu 11.10 (kernel 3.0.0-12)...

Monitoring network usage excluding local traffic...

sysctl in a NSAutoreleasePool -> bus errors & segfaults...

Does anybody know equivalent for NETLINK Sockets API for MAC OS X?...

Why is sysctl producing E_INVAL on Mac OS X?...