build_nfs_server.md

1. sudo apt update
2. sudo apt install nfs-kernel-server
3. sudo mkdir -p /fileshare
4. sudo chmod 777 /fileshare

5.  sudo -s
    echo "/fileshare *(rw,no_subtree_check,no_root_squash)" >> /etc/exports
    exit

6. sudo exportfs -a
7. sudo systemctl restart nfs-kernel-server
8. sudo ufw allow 2049