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RE: configuration for cdrecord and readcd?



yes, what i do to be able to use cdparanoia as a user (same situation I
think) is make a 'scsi' group, add the users I want, then change the
group of /dev/sg* to 'scsi'.

/usr/doc/cdparanoia

> -----Original Message-----
> From:	Michael A. Miller [SMTP:mmiller3@iupui.edu]
> Sent:	Wednesday, November 21, 2001 12:21 PM
> To:	debian-user@lists.debian.org
> Subject:	configuration for cdrecord and readcd?
> 
> When I try to use readcd, which is part of the cdrecord package,
> I'm told 
> 
> > readcd dev=$SCSI_BUS,$SCSI_ID,$SCSI_LUN
> f=/mnt/jaz.ext2/miller/aha2001.image.readcd 
> readcd: Permission denied. Cannot open '/dev/sg0'. Cannot open SCSI
> driver.
> 
> I have lots of questions that I think are scsi permissions
> related...  What is /dev/sg0?  How does it differ from /dev/scd0?
> How can I allow normal users to use readcd?  Once upon a time, I
> used suidregister on cdrecord so that I could use it as a normal
> user, as in "suidregister /usr/bin/cdrecord root cdburners 4710". 
> Is that recommended for readcd?  Or is it a device permissions
> issue?  Or is there something else ... ?
> 
> Mike
> 
> 
> P.S. The devices in question look like this:
> 
> > ls -l /dev/cdrom /dev/scd0 /dev/sg0
> lrwxrwxrwx    1 root     disk            4 Feb  8  2000 /dev/cdrom ->
> scd0
> brw-rw----    1 root     cdrom     11,   0 Jan  4  2001 /dev/scd0
> crw-------    1 root     root      21,   0 Feb  8  2000 /dev/sg0
> 
> 
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