Installed NFS apkg, exported scorp directory, setted as host my ip '192.168.66.3'.
scorp@antani-mac:~$ sudo mount 192.168.66.2:/mnt/HD_a2/scorp test
Password:
mount_nfs: bad MNT RPC: RPC: Timed out\n
mount_nfs: bad MNT RPC: RPC: Timed out\n
mount_nfs: can't access /mnt/HD_a2/scorp: Permission denied