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Old 11-20-2006, 07:09 AM   #1
LQ Newbie
Registered: Oct 2006
Distribution: kubuntu 6.06
Posts: 18

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problem changing a file permission permanently


i am developping an application that needs to poll the device file: /dev/input/mice

i belong to a group that has no permission to read this file, so i use the following command:

sudo chgrp alexandre /dev/input/mice

(alexandre is the group that i belong...)

now, the problem is that when i restart the computer, i must do this command again, because it looses the changes i make.

how can i permanently change the access permission to this kind of device files? (preferably using this group method...)

thank you for your attention,

Old 11-20-2006, 07:32 AM   #2
Registered: Oct 2004
Location: Belgium
Distribution: Slackware 13.37
Posts: 512

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Which distribution are you using? Does it use udev?
Old 11-20-2006, 09:22 AM   #3
LQ Newbie
Registered: Oct 2006
Distribution: kubuntu 6.06
Posts: 18

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sorry for not being specific.

i use Kubuntu 6.06

when I do a 'ls -l' i get:

crw-rw---- 1 root root 13, 63 2006-11-20 17:13 /dev/input/mice

when i type 'groups':

alexandre adm dialout cdrom floppy audio dip video plugdev lpadmin scanner admin

and then, to access the file:

sudo chgrp alexandre /dev/input/mice, about the 'udev' i guess so because i have the latest kernel.


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