[CentOS] Changing permissions on files that only exist during USB operation
Johnny Hughes
mailing-lists at hughesjr.com
Sat Sep 3 14:08:42 UTC 2005
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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