Kenji Posted March 26 Share Posted March 26 I create a file 98-use-serial.rules under folder /etc/udev/rules.d . But symlink not created . My purpose is to fix USB port names, As COM1 COM2 COM3 This is the content of 98-usb-serial.rules: SUBSYSTEM=="tty",ATTRS{busnum}=="1",ATTRS{devnum}=="2",SYMLINK+="COM1" SUBSYSTEM=="tty",ATTRS{busnum}=="4",ATTRS{devnum}=="2",SYMLINK+="COM2" SUBSYSTEM=="tty",ATTRS{busnum}=="5",ATTRS{devnum}=="2",SYMLINK+="COM3" I used to fix the USB port on Asus Tinker S, Khada_VIM3 , all worked fine. I have no idea why Orange Pi 4 LTD not working. 0 Quote Link to comment Share on other sites More sharing options...
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