NFS share with write access

Unless you are running NIS to share your logon information you have to
all_squash access on the server to a known server uid/guid

Server(/etc/exports): /<nfs_share>
192.168.1.0/255.255.255.0(rw,async,all_squash,anonuid=1000,anongid=1000)
Client(/etc/fstab): <server_ip>:/<nfs_share> /mnt/<mount_point> nfs
defaults,users,rsize=32768,wsize=32786 0 0