2009/06/28 23:08

add a user to a specific group


This will be the solution of the following error message when the external usb device is attached on the Linux.

Error org.freedesktop.DBus.Error.AccessDenied.



type groups in the xterminal,

userid audio video

where userid is your user id.


As root
usermod -a -G cdrom userid
usermod -a -G plugdev userid
usermod -a -G powerdev userid

reference http://forums.debian.net/viewtopic.php?p=209366&sid=e101ea755847bc7f4cd84db9c0b033f8
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2009/06/25 10:31

cdrecord that is a command line cd recording tool (Linux)

First scan bus
cdrecord -scanbus

scsibus1:
        1,0,0   100) 'Optiarc ' 'DVD+-RW AD-7200S' '102A' Removable CD-ROM
        1,1,0   101) *
        1,2,0   102) *
        1,3,0   103) *
        1,4,0   104) *
        1,5,0   105) *
        1,6,0   106) *
        1,7,0   107) *


Blank cdrw
cdrecord --dev=1,0,0 --blank=fast

Burn cd from iso file
cdrecord -v -eject speed=4 dev=1,0,0 debian-501-amd64-CD-1.iso





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2009/06/15 09:56

Red Hat Enterprise Linux (RHEL) 5.3


It is an annoying distribution for a normal user to install "xpdf, gv, CRAN, and etc" . After spending several days to look for an additional repository, I finally found http://fedoraproject.org/wiki/EPEL

After installing small package, I finally can install xpdf ...

http://rpmfusion.org/RPM Fusion

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