systemctl start rpcbind
systemctl start rpc-statd
systemctl start rpc-mountd
systemctl start nfsd

define some exports in /etc/exports

exportfs -rav


common errors:

on the client machine:

"showmount -e" returns: cInt_crate: RPC: Program not registered

rpc-mountd is not running on server.

all attempts at mounting return "access denied by server while mounting":

rpc-mountd is not running on server.