Re: Strange behavior

["KokHow Teh" <KokHow.Teh@marconi.com>]

>I have the following Problem:

>swe@LinuxPPC:~$ sudo mkdir /sda1
>swe@LinuxPPC:~$ sudo chown swe /sda1
>swe@LinuxPPC:~$ ls -la /sda1
>total 8
>drwxr-xr-x   2 swe  root 4096 Jan 11 16:19 .
>drwxr-xr-x  37 root root 4096 Jan 11 16:19 ..


As shown, /sda1 only has write permission for the owner of the
file(directory in this case).

>swe@LinuxPPC:~$ mount /dev/sda1 /sda1
>mount: only root can do that
>swe@LinuxPPC:~$ sudo mount /dev/sda1 /sda1
>swe@LinuxPPC:~$ ls -la /sda1
>total 4908
>drwxr-xr-x  14 root root   16384 Jan  1  1970 .
>drwxr-xr-x  37 root root    4096 Jan 11 16:19 ..
>-rwxr-xr-x   1 root root    6148 Jan 10 13:56 .DS_Store
>drwxr-xr-x   2 root root    2048 Nov 23 12:27 .Trash-swe
>.
>.
>.
>-rwxr-xr-x   1 root root     180 Jan 11 15:59 hints
>.
>.
>.
>swe@LinuxPPC:~$ sudo mount /dev/sda1 /sda1
>swe@LinuxPPC:~$ sudo chown -R swe /sda1
>chown: changing ownership of `/sda1': Operation not permitted
>chown: changing ownership of `/sda1/.Trashes': Operation not permitted
>chown: changing ownership of `/sda1/macintosh.pdf': Operation not
permitted
>.
>.
>.
>chown: changing ownership of `/sda1/hints': Operation not permitted
>.
>.
>.
>swe@LinuxPPC:~$ cat >>/sda1/hints
>bash: /sda1/hints: Permission denied
>swe@LinuxPPC:~$ sudo cat >>/sda1/hints
>bash: /sda1/hints: Permission denied
>swe@LinuxPPC:~$ su -
>Password:
>LinuxPPC:~# cat >>/sda1/hints

>The user swe has the same group as root (0).
>What's going on here?

>Fritz


I suspect `touch hello in /sda1 will also FAIL. What I can suggest is:

$ chmod g+swx /sda1

then, as swe user,

$ touch /sda1/hello

      should succeed...?

Regards,
TEH