[CentOS] Changing permissions on files that only exist during USB operation

Sat Sep 3 14:08:42 UTC 2005
Johnny Hughes <mailing-lists at hughesjr.com>

On Sat, 2005-09-03 at 22:34 +0900, Dave Gutteridge wrote:
> > http://www.clasohm.com/blog/one-entry?entry_id=12096
> 
> Thank you for that link. However, it is full of advice that is hard to 
> follow. Things like "Change /etc/udev/rules.d/10-visor.rules so that 
> udev does not touch the Palm ttyUSB device nodes", which is something I 
> don't know how to do.
> 
> Anyway, I did my best to try and follow some of the instructions. It 
> said to press the hotsync button on the palm, and then "cp -a" the files 
> that appear, and then change the permissions on the resulting files. So 
> I tried that and got this result:
> 
> [root at localhost dev]# ls -l /dev/ttyUSB* /dev/pilot
> lrwxrwxrwx  1 root root      7 Sep  3 22:25 /dev/pilot -> ttyUSB1
> crw-rw----  1 root uucp 188, 0 Sep  3 22:25 /dev/ttyUSB0
> crw-------  1 dave uucp 188, 1 Sep  3 22:25 /dev/ttyUSB1
> [root at localhost dev]# cp -a /dev/pilot pilot
> 
> ... but wait. If I name the file the same thing, then it says file 
> already exists. If I name it something else, it has nothing to do with 
> the files that Jpilot is looking for.
> 
> Can someone break this down into something a little simpler? I'm a 
> newbie here, and the wealth of information on that page isn't exactly 
> designed to be easily accessible.
> 
> Dave
> 
> 

Dave .... did you

create a file named:

/etc/udev/rules.d/10-visor.rules

and put this in it:

BUS="usb", SYSFS{product}="Palm Handheld*", KERNEL="ttyUSB[13579]", SYMLINK="pilot"

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