[clug] Blank CD-R Disc

rcrook9190 at gmail.com rcrook9190 at gmail.com
Sat Sep 1 05:15:39 UTC 2018

Hi Bryan,

Just add yourself to the cdrom group. 

# sudo usermod -G cdrom <username>

Logout and back in and try again. 

Regards Randall

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-----Original Message-----
From: Bryan Kilgallin via linux <linux at lists.samba.org>
To: linux at lists.samba.org
Sent: Sat, 01 Sep 2018 14:23
Subject: Re: [clug] Blank CD-R Disc

Thanks, Randall:

> But for a nice easy way to write your backups to CD I suggest
> installing K3B and using it to write your CDs.
I used Synaptic Package Manager to install K3B.
Which gave the following errors:
	* cdrecord has no permission to open the device; and
	* modify device settings in K3B to solve this problem.

Debugging output said this.
/usr/bin/wodim: Operation not permitted. Warning: Cannot raise 
/usr/bin/wodim: Resource temporarily unavailable. Cannot get mmap for 
12587008 Bytes on /dev/zero.
TOC Type: 3 = CD-ROM XA mode 2}

So from the Settings menu, I chose "Configure K3b...". From Programs, I 
selected the Permissions tab.
Which said this:
	* The Permissions helper was not enabled during build; and
	* Check the programs whose permissions should be changed.
Listing thus.
Program			Permissions	New permissions
/usr/bin/cdrdao		0755 root.root	4711 root.root
/usr/bin/wodim		0755 root.root	4711 root.root
/usr/bin/growisofs	0755 root.root	no change

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