+# fit for arm64
+source_file=/etc/apt/sources.list
+sed -i -e 's/^deb \([^/[]\)/deb [arch=amd64] \1/g' "${source_file}"
+sed -i -e 's/^deb-src /# deb-src /g' "${source_file}"
+echo "APT::Default-Release \"trusty\";" > /etc/apt/apt.conf.d/default-distro
+
+sub_source_file=/etc/apt/sources.list.d/yardstick.list
+touch "${sub_source_file}"
+echo -e "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ xenial-updates universe
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty main universe multiverse restricted
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-updates main universe multiverse restricted
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-security main universe multiverse restricted
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed main universe multiverse restricted" > "${sub_source_file}"
+echo "vm.mmap_min_addr = 0" > /etc/sysctl.d/mmap_min_addr.conf
+
+proc_type=$(uname -m)
+if [[ $proc_type == "arm"* ]]; then
+ dpkg --add-architecture arm64
+fi
+