Webmin Backup
Webmin → Webmin → Backup Configuration Files
Manual FTP Backup
Scheduled FTP Backup
Filename Variables
If you want to use variables in your backup file filenames, you must enable strftime
.
Example:
/path/to/Webmin/hostname_webmin_full_backup_%m-%d-%y.tgz
Webmin → Webmin → Backup Configuration Files → Module Config (gear icon)