Download the file manually from here: https://launchpad.net/gcc-arm-embedded
(e.g.: gcc-arm-none-eabi-5_4-2016q3-20160926-linux.tar.bz2)
Install with:
sudo tar xfvj gcc-arm-none-eabi-5_4-2016q3-20160926-linux.tar.bz2 -C /opt
Stm32Flasher: source: https://sourceforge.net/projects/stm32flash/
Well... just run make ... it should be OK
stm32flash-code/stm32flash -w Debug/classA.bin -v -g 0x0 /dev/ttyUSB0
or, if you want to see some traces:
stm32flash-code/stm32flash -w Debug/classA.bin -v -g 0x0 /dev/ttyUSB0 && screen /dev/ttyUSB0 115200
The document please go to : http://www.rakwireless.com/en/download