Debian install from debian-10.12.0-amd64-netinst.iso

Graphical install
Install language: English
Location: Canada
Keyboard: American English
Hostname: [hostname] (one that is already set up where the domain is registered)
Doman name: (the rest of the full domain name, as it has worked previously)
Add [root-password]
User name: [user name]
Username: [username]
User password: [user-password]
Time zone: Pacific
Partition disks: Guided - use entire disk; SCSI1..; All files in one partition
(Base system installs..)
More media: No
Mirror: Canada; deb.debian.org
No proxy
Popularity feedback: No
Software selection: SSH server, standard utilities (no desktop, no Gnome)
Install GRUB: Yes; /dev/sda
Boot

Log in as [username]
Become root with su
apt-get update
apt-get upgrade
Install sudo
Add [username] to /etc/sudoers
Exit root

Install Virtualmin: wget https://software.virtualmin.com/gpl/scripts/install.sh
sudo /bin/sh install.sh