l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2004 Jan 31 07:53

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] devfs and mkisofs, don't have permission to create multisession cd's
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] devfs and mkisofs, don't have permission to create multisession cd's

On Fri, Jan 30, 2004 at 04:04:02PM -0800, Ken Bloom wrote:
> I have a backup script that I run periodically (and I haven't run it
> in two whole weeks), and I was trying to run it today but since having
> switched to devfs, the permissions on the cd drive's device file seem
> to have changed (probably as a result of the switch), so that I can't
> read the file system. As a result, I can't add new sessions to a CD
> because a permissions error keeps mkisofs from reading the previous
> sessions on the CD.
> Devfs complains about /dev/sg0
> [bloom@kabloom ~]% ls -l /dev/sg0
> lr-xr-xr-x    1 root     root           36 2004-01-30 07:22 /dev/sg0
> -> scsi/host0/bus0/target0/lun0/generic
> [bloom@kabloom ~]% ls -l `readlink -f /dev/sg0`
> crw-r--r--    1 root     cdrom     21,   0 1969-12-31 16:00
> /dev/scsi/host0/bus0/target0/lun0/generic
> Does anybody know what the correct permissions should be, or how to
> fix this problem?

I'd set the device to 664 and make sure that the user running the
backup script is in the "cdrom" group. 

Samuel Merritt
OpenPGP key: http://meat.andcheese.org/~spam/spam_at_andcheese_dot_org.asc
PGP information can be found at http://www.mindspring.com/~aegreene/pgp/

Attachment: pgp00022.pgp
Description: PGP signature

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
O'Reilly and Associates
For numerous book donations.