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From: Peter Risdon <peter@circlesquared.com>
To: David Wassman <myfreebsd@cox.net>
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Date: Tue, 15 Feb 2005 11:46:32 +0000
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Subject: Re: probably a simple problem with permissions
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On Mon, 2005-02-14 at 23:53 -0500, David Wassman wrote:
> I am probably understanding this problem incorrectly meaning there is a 
> simple explanation that is escaping me. My /dev/cd0 is owned by root so  
> I have tried to change both the owner and the group so I can use it as a 
> user.
> 
> I have tried:
> chmod 777 /dev/cd0
> chmod -R 777 /dev/cd0
> chgrp 777 /dev/cd0
> 
> The problem is that when I reboot the system the old permissions return 
> and I have to su and change the permissions back. How do I make these 
> changes permanent? There is probably a security reason for  this but it 
> is very inconvenient on a desktop station. Any help would be 
> appreciated. I am running 5.3.

You need to make appropriate entries in /etc/devfs.conf

Read the file - it has some examples.

Peter.