repo errors in virt repos

root@web1:~# apt update Hit:1 http://software.virtualmin.com/vm/6/apt virtualmin-bionic InRelease Hit:2 http://software.virtualmin.com/vm/6/apt virtualmin-universal InRelease Hit:3 http://security.ubuntu.com/ubuntu bionic-security InRelease Hit:4 http://us.archive.ubuntu.com/ubuntu bionic InRelease Hit:5 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease Hit:6 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date. N: Usage of apt_auth.conf(5) should be preferred over embedding login information directly in the sources.list(5) entry for 'http://software.virtualmin.com/vm/6/apt' N: Usage of apt_auth.conf(5) should be preferred over embedding login information directly in the sources.list(5) entry for 'http://software.virtualmin.com/vm/6/apt'