nfsd not running?

[ingirafn@this.is]

Hello, I am trying to bring up the nfs server. 

When I try to mount 

mount -t nfs 192.168.0.200:/home/folder /mnt

the computure says. 

mount: RPC: Progam not registered

I have /etc/hosts.allow

ALL:192.168.0.0/255  
ALL:192.168.0.198


/etc/hosts.deny is unconfigured. Nothing written.

I have /etc/exports 

/home/folder 192.168.0.0/255(rw)
/home/folder 192.168.0.198(rw)

I don't seem to have the nfs sever up and running

there is /proc/fs/nfs/ folder but no file?

I have nfscommon and the kernel-nfs something. 

But but but. 

What do I do wrong? 

Best 

Ingirafn