cd /etc/network/if-up.dvi iwl-no-blink脚本添加如下内容：#!/bin/shif [ "$IFACE" = "wlan0" ]; then   for dir in /sys/class/leds/iwl-phy*; do      echo none > $dir/trigger   donefisudo chmod 755 /etc/network/if-up.d/iwl-no-blink

###ubuntu 12.04 LTS#####sudo echo none > /sys/class/leds/phy0-led/trigger