What Is It Like Migrating Mission Critical Servers from Paid Linux (RHEL) to Free Linux (CentOS)?

Q: When we spoke several months ago you were
considering a move from Red Hat to a free binary clone of RHEL (Red
Hat Enterprise Linux) like CentOS. Are you still going forward with
that, and if so, why?

A: Yes. We’ve been using Red Hat 7.3 for five
years on about three dozen production servers, but now we are
migrating to CentOS 5. We have a large commercial Web site serving
tens of millions of page views per month and generating a lot of
advertising revenue for our company…”