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Date:      Wed, 20 Oct 2004 12:17:02 -0400
From:      Steven Friedrich <FreeBSD@insightbb.com>
To:        freebsd-questions@freebsd.org
Subject:   Mounting data CD
Message-ID:  <200410201217.02187.FreeBSD@insightbb.com>

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I'm trying to mount a data CD as a normal user.  It works fine as root, but I 
want average users to be able to do it.

Here's the session:
% mount_cd9660 /dev/acd0c /cdrom
mount_cd9660: /dev/acd0c: Operation not permitted
% mount_cd9660 /dev/acd0c /mnt
mount_cd9660: /dev/acd0c: Operation not permitted

I noticed in dev:
% ll /dev/*cd*
crw-rw-rw-  4 root  operator  117,   0 Oct 16 19:14 /dev/acd0a
crw-rw-rw-  4 root  operator  117,   0 Oct 16 19:14 /dev/acd0c
crw-rw-rw-  1 root  operator  117,   8 Jun 15  2003 /dev/acd1c
crwxrwxrwx  2 root  operator   15,   0 Oct 16 19:14 /dev/cd0a
crwxrwxrwx  2 root  operator   15,   2 Oct 16 19:14 /dev/cd0c
crw-r-----  2 root  operator   29,   0 Oct 16 19:14 /dev/mcd0a
crw-r-----  2 root  operator   29,   2 Oct 16 19:14 /dev/mcd0c
crw-rw-rw-  4 root  operator  117,   0 Oct 16 19:14 /dev/racd0a
crw-rw-rw-  4 root  operator  117,   0 Oct 16 19:14 /dev/racd0c
crwxrwxrwx  2 root  operator   15,   0 Oct 16 19:14 /dev/rcd0a
crwxrwxrwx  2 root  operator   15,   2 Oct 16 19:14 /dev/rcd0c
crw-r-----  2 root  operator   29,   0 Oct 16 19:14 /dev/rmcd0a
crw-r-----  2 root  operator   29,   2 Oct 16 19:14 /dev/rmcd0c
crw-r-----  2 root  operator   45,   0 Oct 16 19:14 /dev/rscd0a
crw-r-----  2 root  operator   45,   2 Oct 16 19:14 /dev/rscd0c
crw-r-----  2 root  operator   69,   0 Oct 16 19:14 /dev/rwcd0a
crw-r-----  2 root  operator   69,   2 Oct 16 19:14 /dev/rwcd0c
crw-r-----  2 root  operator   45,   0 Oct 16 19:14 /dev/scd0a
crw-r-----  2 root  operator   45,   2 Oct 16 19:14 /dev/scd0c
crw-r-----  2 root  operator   69,   0 Oct 16 19:14 /dev/wcd0a
crw-r-----  2 root  operator   69,   2 Oct 16 19:14 /dev/wcd0c

Yes, I've been changing permissions in an attempt to make it work.

How would anyone know which device to use?
And why can't I get it to work by changing permissions?

I've went thru the handbook and also Dru Lagvigne's (is that right?) articles 
on OnLamp to no avail.



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