apt-key adv --keyserver keys.gnupg.net --recv 798AB1D1
echo 'deb http://linux.enea.com/apt-mk/xenial nightly extra' > \
'/etc/apt/sources.list.d/armband_mcp_extra.list'
apt-key adv --keyserver keys.gnupg.net --recv 798AB1D1
echo 'deb http://linux.enea.com/apt-mk/xenial nightly extra' > \
'/etc/apt/sources.list.d/armband_mcp_extra.list'