Apache has two commonly used variants: pre-forked (multi-process) and multi-threaded (worker). This article discusses the differences, when each is appropriate, and how to optimize each of them for a VPS environment.

This article details how to install and configure Apache on Debian and Ubuntu including adjusting performance settings to better fit a Zerigo Server.

Here are a few ideas and tips that are likely to be useful when setting up a new Zerigo Server on Debian or Ubuntu.