[ale] permission confusion
Sean Kilpatrick
drifter at oppositelock.org
Sun Aug 15 15:41:08 EDT 2004
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Has anyone ever seen permissions/ownership change depending
on what "drive" is mounted?
Consider the lines from a command session listed below.
It will make more sense if you understand that I have
a pen drive/thumb drive/USB widget (whatever you want
to call it) that is attached by the OS either to
/dev/sda1 or to /dev/sdb1. In either case I mount it to
/mnt/widget/.
First I plug in the device, mount it and then check the
ownership/permissions in /mnt. Then I unmount the device
and run "ls -l" on /mnt again. Note how the ownership of
/mnt/widget changes.
Does anyone have _any_ idea what is going on here? I'd really
like to be able to use the GUI to copy files to this device
without having to bring up a root shell and use the command
line. But as long as the "mounted" device is owned by root,
this is not possible.
- ----------------- <begin copied data> --------------------------
[root at localhost mnt]# mount /dev/sda1 /mnt/widget
[root at localhost mnt]# ls -l
total 88
drwxr-xr-x 2 kilpat users 4096 Aug 14 21:04 foo
drwxr-xr-x 4 root root 16384 Dec 31 1969 widget
drwxr-xr-x 2 kilpat users 4096 Sep 22 2003 zip
[root at localhost mnt]# umount /dev/sda1
[root at localhost mnt]# ls -l
total 76
drwxr-xr-x 2 kilpat users 4096 Aug 14 21:04 foo
drwxrwxrwx 2 kilpat users 4096 Aug 14 20:10 widget
drwxr-xr-x 2 kilpat users 4096 Sep 22 2003 zip
(rest of the /mnt directory deleted for brevity.)
- ---------------- <end copied data> ------------------------------
I also note that the line "total 88" changes to "total 76"
but I have no idea what information that line is giving me.
Sean
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