Linux popularity with IaaS and PaaS providers has a lot to do with it.
Support for the BSD crowd at AWS pretty much is non-existent (they are working on it and making progress, though, with FreeBSD). Rackspace has some support, but only for FreeBSD and with some limitations.
Most of the PaaS players use Linux under the hood because they rely on AWS under the hood.
I'd love to hear about IaaS or PaaS players who use BSD, though.
Support for the BSD crowd at AWS pretty much is non-existent (they are working on it and making progress, though, with FreeBSD). Rackspace has some support, but only for FreeBSD and with some limitations.
Most of the PaaS players use Linux under the hood because they rely on AWS under the hood.
I'd love to hear about IaaS or PaaS players who use BSD, though.