Upgrading Munin from 1.x to 2.x

This is a compilation of items you need to pay attention to when upgrading from Munin 1.x to munin 2.x

FastCGI

Munin graphing is now done with FastCGI.

Munin HTML generation is optionally done with FastCGI.

Logging

The web server needs write access to the munin-cgi-html and munin-cgi-graph logs.