[sane-devel] Setting up Canon Perfection USB scanner for use in network: questions, problems

Nigel Ridley nigel at rmk.co.il
Mon Jun 5 18:07:48 UTC 2006


James Tuttle wrote:
> I had a similar issue with a tape drive reverting its ownership and  
> permissions after reboot.
> 
> Although this probably isn't the "right way" to make it persistent, I  
> just added the following lines to my /etc/init.d/bootmisc.sh script:
> 
> ln -s /dev/nst0 /dev/tape
> chmod 777 /dev/tape
> ln -s /dev/sg0 /dev/changer
> chmod 777 /dev/changer
> 
> I think you could do the same thing for changing the group on the USB  
> devices as I did for the tape and generic SCSI device. The script  runs 
> (as root) during the bootup process, I think as one of the last  things 
> to be done.

I thought about doing something similar but the computer in question is 
mostly always on - the problem arises when someone switches off the 
[printer] scanner, then switches it back on again.

Perhaps a script somewhere in [X]sane to change the permissions/group 
when [X]sane is started ??

> 
> This is on Kubuntu Breezy, not sure how CentOS handles it.
> 
> -James
> 
> 
> 
> On Jun 5, 2006, at 10:47 AM, Nigel Ridley wrote:
> 
>> This is only a temporary solution as it will revert back to root  root 
>> on either a reboot or if you restart the scanner - so I  created a 
>> 'Bookmark' in 'Konsole' so instead of having to retype it  all again I 
>> just click on the Bookmark and hit enter (then give my  password).
>> You could create an alias instead though.
>>
>> If you find a better solution please post it :-)
>>
>> Blessings,
>>
>> Nigel
> 
> 
> 
> ------------------------------------------------------------------------
> 
> !DSPAM:44845376228552016049419!

Blessings,

Nigel

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