Odroid N2 + Kodi + XigmaNAS : How to configure NFS

Troubleshooting
9

root@DietPi:~# showmount -e 192.168.1.250
clnt_create: RPC: Unable to receive
root@DietPi:~#

and

I tryed this:

root@DietPi:~# rpcinfo -p 192.168.1.59
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
root@DietPi:~# service nfs start
Failed to start nfs.service: Unit nfs.service not found.

There are no firewall

root@DietPi:~# journalctl -u nfs*
Oct 28 17:54:15 DietPi systemd[1]: Reached target nfs-client.target - NFS client services.