Subject: Re: NetBSD Guide section 12.8: some incompletness
To: Pavel Cahyna <>
From: Aleksey Cheusov <>
List: netbsd-docs
Date: 09/08/2006 21:42:19
> On Thu, Sep 07, 2006 at 11:43:01PM +0300, Aleksey Cheusov wrote:
 >> 12.8. Using audio CDs with NetBSD
 >> subsection 2. To read ("rip") audio tracks)
 >> Sorry for being intrusive, but this section is somewhat incomplete too.
 >> Things described is there just don't work (at least with
 >> cdparanoia) because the ordinary users have no write permissions to
 >> /dev/cd0X devices required to grab CDs.
 >> The default permissions are root:operator - 640.
 >> I see the following solutions for this:
 >> - chmod +s /usr/pkg/bin/cdparanoia
 >>   that allows wheel members to grab CDs.
I missed 
chmod o-rx /usr/pkg/bin/cdparanoia

 >>   For obvious reasons this is probably the worst method.
 >> - chmod g+w
 >>   Bad too. CD grabhbing users should not be able to reade sdX/wdX.

> how are permissions of cdX related to sdX/wdX ?
useradd -G operator <username>

Best regards, Aleksey Cheusov.