> Even professionally, shops with good admins/devops will usually prefer CentOS/openSUSE over RHEL/SLES, since they can handle almost all the support themselves.
And shops with large enough IT budgets and huge downside risk (like finance) will pay for the SLA guarantee because ultimately it's really cheap insurance against the cost of catastrophic events.
I've been in banks where the admins were the definitive authors of books written in their space, but where CentOS or RHEL on a server was chosen purely on the basis of the value of the service being hosted.
And shops with large enough IT budgets and huge downside risk (like finance) will pay for the SLA guarantee because ultimately it's really cheap insurance against the cost of catastrophic events.
I've been in banks where the admins were the definitive authors of books written in their space, but where CentOS or RHEL on a server was chosen purely on the basis of the value of the service being hosted.