sudo sed -i "s/deb http/deb [arch=amd64] http/" /etc/apt/sources.list
echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic main restricted universe multiverse" | sudo tee /etc/apt/sources.list.d/ports-arm64.list
echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ports-arm64.list
echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ports-arm64.list
sudo sed -i "s/deb http/deb [arch=amd64] http/" /etc/apt/sources.list
echo "deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic main restricted universe multiverse" | sudo tee /etc/apt/sources.list.d/ports-armhf.list
echo "deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ports-armhf.list
echo "deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic-backports main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ports-armhf.list