Refer to: http://blog.chinaunix.net/u2/60913/showart_1076685.html

1.Introduction

Refer to http://en.wikipedia.org/wiki/Udev

2. How to write the rules:

Refer to http://www.reactivated.net/writing_udev_rules.html#syntax

3.Issues:

(1) ACTION=="add", KERNEL=="lp[0-9]",PROGRAM="/home/ms1/bin/find_printer.sh"

This rule is to run the script after detect the add event, and then load the printer.

How to change it to load the printer and then run the script?

4.Some command

udevadm monitor: get the udev events

udevadm monitor --env