I’ve had to to do this on my Raspberry Pi 3 running Raspbian. This will work for all Debian based distros running Webmin. /usr/share/webmin/changepass.pl /etc/webmin root NEWPASSWORD
Web developer and former photographer by trade...gamer and all around tech enthusiast in his free time. Christoph started sdatic.com as a way to organize his ideas, research, notes and interests. He also found it enjoyable to connect and share with others who parallel his interests. Everything you see here is a resource that he found useful or interesting and he hopes that you will too.