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Old 28th September 2012, 01:12 AM
parish Offline
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Join Date: Feb 2005
Posts: 595
What configuration files/scripts control permissions for cd/dvd drive

As a followup to my thread [SOLVED] k3b: "No optical drive found", I'm trying to locate the configuration files/scripts that control the default permissions for the cd/dvd device (/dev/sr0) and the permissions assigned when a disk is inserted.

The issue is that when I change the device permissions to permit ugo+rw access, it is reset to its default ug+rw state upon insertion of a disk.

Thanks for your help.
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Old 28th September 2012, 03:32 AM
stevea Online
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Join Date: Apr 2006
Location: Ohio, USA
Posts: 9,682
Re: What configuration files/scripts control permissions for cd/dvd drive

Start by examining /usr/lib/udev/rules.d/50-udev-default.rules
It may be as easy as adding a MODE= to the line
SUBSYSTEM=="block", KERNEL=="sr[0-9]*", GROUP="cdrom"/home/stevea/.kde/share/config/kded_device_automounterrc
Or perhaps OWNER=..., GROUP=...
That may vary from release to release but addresses the device permissions issue.

WRT to the automount permissions, thats a desktop matter.
A national political campaign is better than the best circus ever heard of, with a mass baptism and a couple of hangings thrown in. H. L. Mencken
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Old 28th September 2012, 08:20 AM
george_toolan Offline
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Join Date: Dec 2006
Posts: 2,088
Re: What configuration files/scripts control permissions for cd/dvd drive

Try to install cdrecord from here http://cdrecord.berlios.de/private/cdrecord.html

It is usually installed suid root, so it has full access to the DVD drive.
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