"These days we can assume that most large enterprises have some
sort of open source software presence in the data center. Whether
it is racks full of Linux servers, a few contrasting Linux
instances, or even just Apache running on Windows, open source is
prevalent. So what happens when you need help with open source
software? Not just simple configuration issues but problems like,
'it doesn't work as documented' and true bugs that bite. There are
options, but are they worth it?
"First, let me clarify. Commercial (closed source) software
support is neither better nor worse. The open source 'community,'
a.k.a. forums and mailing lists, is credited for much of the
strength of open source..."