#!/bin/bash

MRUM="main restricted universe multiverse"

cat > /etc/apt/sources.list << EOF
deb mirror://mirrors.ubuntu.com/mirrors.txt bionic $MRUM
deb mirror://mirrors.ubuntu.com/mirrors.txt bionic-updates $MRUM
deb mirror://mirrors.ubuntu.com/mirrors.txt bionic-security $MRUM
deb mirror://mirrors.ubuntu.com/mirrors.txt bionic-backports $MRUM
EOF