Scripts can also be used to rotate log files.
As with all things keep patches and code current and secure. Regularly audit your Darknet. This is not the host you want compromised when a nasty bit of malware visits your network.
Patrick Green of the OxCERT team at Oxford University, UK, has put together a great paper on the practical use of a Darknet. Our thanks to Pat for authoring the paper and permitting us to host it here. You will find the paper at http://www.team-cymru.org/documents/dark-watcher.pdf.