Re: [gentoo-user] NFS mounts and uid/gid/user names

[Alex Schuster <wonko@wonkology.org>]

meino.cramer@gmx.de writes:

> to not to stress the SD-card of my single board computer too much I
> mounted a directory of my PC via NFS at my single board computer, so
> that compilations and other task which need to be done while
> installing will access the hd and not the SD-card.
> (The singleboard computer is a Cortex A8/OMAP based one: 32 bit. The
> PC is 64 bit AMD based.)
>
> So far so nice...everything works fine: I can see the directory
> on both ends.
>
> In /etc/exports on the PC I entered this:
> /tmp/NFS 192.168.178.25(async,rw,no_subtree_check)
>
> When setting chmod 700 /tmp/NFS, chown root:root /tmp/NFS
> on the server side (PC) I cannot write to the directory
> as root on the client side (single board computer).
> On both sides root is 0:0.
>
> When setting chmod 777 /tmp/NFS on the server side, I am able to write
> at the client side to the that directory, bit listing that files shows
> me that they become owned by nobody:nobody which is
> nobody:x:65534:65534:nobody:/nonexistent:/bin/sh on the server side.
>
> How can I acchieve, that files written on one side remain the same
> uid/gid assignment on the other side?

Add 'root_no_squash' to your options in /etc/exports.

> Have a nice weekend!

Will do!

	Wonko