this may just for reference, not related to backup purpose, however this is easier than use ssh all the time.
after install openssh on your server you can identify your system that you already have ssh profile in your windows clients or not by go to c:\users\<user>\.ssh
this below ssh for install webmin via command line:
sudo nano /etc/apt/sources.list deb http://download.webmin.com/download/repository sarge contrib wget -q -O- http://www.webmin.com/jcameron-key.asc | sudo apt-key add sudo apt update sudo apt install webmin please allow 10000 port for access via https port. sudo ufw allow 10000 optional: check for your python for some dependencies. ref: https://www.digitalocean.com/community/tutorials/how-to-install-webmin-on-ubuntu-20-04 you will get this