EXAMPLE 1
WEBMIN
Disable:
sudo update-rc.d webmin disable
Enable:
sudo update-rc.d webmin enable
Restart(full with button) server after command run
USERMIN
Disable: sudo update-rc.d usermin disable
Enable: sudo update-rc.d usermin enable
EXAMPLE 2 Disable Autostart: sudo systemctl disable usermin sudo systemctl stop usermin Prevent Future Restarts: sudo mv /etc/usermin/miniserv.conf /etc/usermin/miniserv.conf.backup