參考資訊： https://askubuntu.com/questions/1031103/how-can-i-install-gdb-arm-none-eabi-on-ubuntu-18-04-bionic-beaver 步驟如下：
$ sudo apt-get install gdb-multiarch -y $ ln -s /usr/bin/gdb-multiarch /usr/bin/arm-none-eabi-gdb $ arm-none-eabi-gdb