-Sets up tftp pxe config on host "faiserver". Argument sets the host to
-enable it for, "default" is for all hosts. No argument disables for all
-hosts.
+Sets up tftp pxe config and nfs config on host "faiserver". Argument
+sets the host to enable it for. No argument disables pxe config for all
+hosts, but leaves nfs server alone. Use faiserver-disable to disable
+the nfs server.