udev usb串口权限设置

编辑/etc/udev/rules.d/25-lfs.rules
找到:
KERNEL=="ttyUSB[0-9]*"
修改为:
KERNEL=="ttyUSB[0-9]*",                 MODE="0666",    GROUP="dialout"

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转载自mypyg.iteye.com/blog/845945