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
