From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: NFS and Network Driver Question Date: Wed, 20 Oct 2004 08:58:13 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <41768B15.1090402@osdl.org> References: <41704198.8000206@rtcworks.com> <4175AEFE.7090002@rtcworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: no To-header on input , netdev@oss.sgi.com, linux-net@vger.kernel.org Return-path: To: Bob Wirka In-Reply-To: <4175AEFE.7090002@rtcworks.com> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Bob Wirka wrote: > Ok, now I feel like I'm taking crazy pills... > > The embedded system boots up and mounts the root file system on my > host laptop. The 'rc.sysinit' startup script executes the command > 'mount -a' which should mount /proc, /dev/pts, and /dev/shm, as listed > in /etc/fstab. When executed, that command returns "mount: only root > can do that". > > When I get to the bash prompt, 'whoami' reports that I am, indeed, > root. A 'mount -a' from the command prompt gives the same result; it > doesn't think I'm root for the mount command. > > I can chown a file owned by root to some other user, and I can create > a file or directory in a directory owned by root; so it doesn't always > think I'm not root. > Are you getting bit by the nfs uid mapping on the server. Is it mapping your local "root" to "nobody" on the server?