wget 'https://developer.arm.com/-/media/Files/downloads/gnu-rm/8-2018q4/gcc-arm-none-eabi-8-2018-q4-major-linux.tar.bz2?revision=d830f9dd-cd4f-406d-8672-cca9210dd220?product=GNU%20Arm%20Embedded%20Toolchain,64-bit,,Linux,8-2018-q4-major'
wget 'https://developer.nordicsemi.com/nRF5_SDK/nRF5_SDK_v15.x.x/nRF5_SDK_15.3.0_59ac345.zip'

unzip nRF5_SDK_15.3.0_59ac345.zip
tar xf gcc-arm-none-eabi-8-2018-q4-major-linux.tar.bz2

sed 's#GNU_INSTALL_ROOT ?= /usr/local/gcc-arm-none-eabi-7-2018-q2-update/bin/#GNU_INSTALL_ROOT ?= /home/lstudent/janiec/gcc-arm-none-eabi-8-2018-q4-major/bin/#' nRF5_SDK_15.3.0_59ac345/components/toolchain/gcc/Makefile.posix

cd nRF5_SDK_15.3.0_59ac345/examples/iot/udp/lwip/client