Michael A. Peters a écrit : >> >> 1) Am I supposed to be root to use cdrecord and burn an .iso file? > > I've found it works much better if you are root. > I tried both, and see: cdrecord complains about not being able to set certain priorities while being run as user, which induces a high risk for buffer underruns. So I have my answer for that. Another cdrecord-related question. Usually I should be able to copy a CD as simply as that: $ dd if=/dev/cdrom of=copy.iso Then insert a blank CD, and: $ cdrecord -v -eject dev=/dev/cdrom copy.iso Now I did that for data CDs, and it works very well. I thought, normally this *should* also work for audio CDs, so I gave that a spin. But everytime I try it, dd stops short and gives me an "Input/output error" for /dev/hdc. I tried three different audio CDs, all three in good state. I can listen to them OK on the PC. But all I get with dd is a zero-byte-length copy.iso file. Any idea what's happening? Niki