deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse
deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse
deb [arch=amd64] http://security.ubuntu.com/ubuntu bionic-security main restricted universe multiverse

deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic main restricted universe multiverse
deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic-updates main restricted universe multiverse
deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports bionic-security main restricted universe multiverse