On Mon, Mar 13, 2023 at 06:25:58PM +0800, 周周妈 wrote: > I think mknod for char or block device file need root permission. > So no_root_squash is needed in /etc/exports in server. > Is it right? Why not put this information in README file? Yeah, it should probably be better documented. For what it's worth, the scripts I used for my testing are in http://git.linux-nfs.org/?p=bfields/testd.git;a=tree. I did separate runs with and without root. --b.