avrdude: ser_open(): can't open device “/dev/ttyACM0”: Device or resource busy

Question

I am Linux Mint user.I am dealing with Arduino Yun.I am compiling Arduino program.After that I am uploading to Arduino Yun.Then I get these error.Can you help me?

Answer 1

Make sure your USB cable is plugged firmly. Mine stopped working all of a suddenly because of this. The "/dev/ttyACM0 not found" message happens because the device doesn't get created unless the device is plugged in.