strange nfs conversation

[Peter Lieverdink]

Use nfs-user-server, install ugidd on both client and server machines.

Add map_daemon to the options in exports.

Done.

- P.

On Thu, 2005-09-22 at 18:57 -0700, Holiday wrote:
> Here's the story:
> 
> I'm on a breezy laptop.
> 
> In the other room, I have a FC2 server with this /etc/exports
> 
> /home/stephen 192.168.0.101(sync)
> /mnt/windows 192.168.0.101(sync)
> /home/stephen 24.108.141.82(sync)
> 
> I won't explain the two exports for /home/stephen unless you think I
> should.
> 
> Ok so on my breezy laptop I do this from my user console:
> 
> ~$ mkdir sroom
> stephen at ubuntu:~$ ls -l
> drwxr-xr-x   2 stephen stephen  4096 2005-09-20 20:16 Desktop
> drwxr-xr-x   2 stephen stephen  4096 2005-09-22 18:26 sroom
> 
> Note that stephen owns sroom.
> 
> Then I do this from a root console
> 
> # mount sroom:/home/stephen /home/stephen/sroom
> root at ubuntu:/home/stephen# ls -l
> drwxr-xr-x   2 stephen stephen  4096 2005-09-20 20:16 Desktop
> drwx------  93     500     500 12288 2005-09-21 07:38 sroom
> 
> Huh? 500.500? 500 does not appear as a uid or guid in my user
> listings. 
> 
> But ok, I try from my user console:
> ~$ cd sroom
> bash: cd: sroom: Permission denied
> 
> No surprise. Things are strange. 
> 
> 
> Wait! There's more. Let's do this from my root console:
> #  mkdir /home/stephen/sroom.windows
> #  mount sroom:/mnt/windows /home/stephen/sroom.windows
> # ls -l
> drwxr-xr-x   2 stephen stephen  4096 2005-09-20 20:16 Desktop
> drwxr-xr-x   2 stephen stephen  4096 2005-09-22 18:26 sroom
> drwxrwxrwx  57 root    root    32768 1969-12-31 16:00 sroom.windows
> 
> and from my user console:
> 
> $ cd sroom.windows
> $ ls
> <long listing of files deleted>
> 
> Well! Maybe root has some magic. So with the root console
> in /home/stephen I do this:
> 
> # umount sroom
> # rm -rf sroom
> # mkdir sroom
> # mount sroom:/home/stephen /home/stephen/sroom 
> # ls -l
> drwxr-xr-x   2 stephen stephen  4096 2005-09-20 20:16 Desktop
> drwx------  93     500     500 12288 2005-09-21 07:38 sroom
> drwxrwxrwx  57 root    root    32768 1969-12-31 16:00 sroom.windows
> 
> So? I'm perplexed. Any ideas?
Peter Lieverdink counter.li.org #108200 -37.8074, 144.9452 0x969F3F57
9662 1CB5 8E54 450D 2E12 9D7E 580E 2519 969F 3F57 cachaca 12:28:49 up
20:32 3 users load average: 2.17 1.28 0.76 Ubuntu 5.10 (Breezy Badger)
Linux 2.6.12-8-amd64-k8 x86_64