PerlStalker's SysAdmin Notes and Tools

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I am currently running a three node courier cluster doing virus and spam filtering for approximately 12000 users. The nodes boot from the network using PXE and use a shared, read-only / and /usr/. In fact, nearly everything is read-only except /var/ and a few memory file systems. New nodes can be added to the cluster in about 30 minutes.

I will be adding docs here to describe my setup. Please note that these docs are currently incomplete. I'll be adding more as I have time.