Change permissions on /dev file?

Bill Perkins perk at iag.net
Sat Jan 14 21:29:15 UTC 2006


Toralf Lund wrote:
> Alexander Dalloz wrote:
> 
>> Am Sa, den 14.01.2006 schrieb Toralf Lund um 20:58:
>>
>>  
>>
>>> How can I update permissions on a device file on an FC4 setup? I 
>>> mean, I know I can use chmod, of course, but the problem is that for 
>>> /dev special files, the changes are lost on reboot.
>>>
>>> More specifically, I have a SCSI scanner, and I (obviously) want to 
>>> access it as a regular user, but by default /dev/sg* can be read and 
>>> written only by root. How do I change that? (And why don't devices 
>>> like this automatically get user accessible?)
>>>
>>> - T
>>>   
>>
>>
>> grep -n "sg" /etc/udev/permissions.d/50-udev.permissions
>>  
>>
>> The permissions are set there.
>>  
>>
> Right. I haven't quite got used to this new(ish) udev stuff... Seems to 
> me now it must be the place for the setting I want, but the location you 
> mention can't be correct for my system, as /etc/udev has no permissions.d.
> 
>> Alexander
>>
>>
>>  
>>
> 
Look to /etc/udev/rules.d
HTH

-- 
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"The two most common things in the	| Bill Perkins
  universe are Hydrogen and Stupidity."	| perk at iag.net
					| programmer-at-large
		F. Zappa		| ALL assembly languages done here.
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