This tutorial will cover how to backup a single Virtual Server.
It assumes you have first logged into Virtualmin.
Select the Administration Options option
Click on the Disk Usage module
You should now see the Disk Usage interface, which contains the following tabs that you can use to refine the disk usage output.
Overview – Summary of disk usage and limits for this virtual server
Home directory – Disk usage by files and directories under this server's home
By user – Disk usage by mail/FTP users
By sub-server – Disk usage of sub-servers
By database – Disk usage by database