deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-security main universe multiverse restricted
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed main universe multiverse restricted" > "${sub_source_file}"
echo "vm.mmap_min_addr = 0" > /etc/sysctl.d/mmap_min_addr.conf
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-security main universe multiverse restricted
deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed main universe multiverse restricted" > "${sub_source_file}"
echo "vm.mmap_min_addr = 0" > /etc/sysctl.d/mmap_min_addr.conf