NFSv4 geht jedenfalls so nicht Das braucht nen Root und von dort aus werden dann Shares verteilt.
$ cat /etc/exports
/srv 192.168.32.0/24(fsid=0,no_subtree_check,rw,sync)
/srv/arch 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)
/srv/clonezilla 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)
/srv/fedora 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)
/srv/gparted 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)
/srv/opensuse 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)
/srv/systemrescuecd 192.168.32.0/24(no_root_squash,insecure,no_subtree_check,rw,sync)