Webmin on Raspberry Pi

sudo apt-get update
sudo apt-get -y upgrade

sudo nano /etc/apt/sources.list

deb http://download.webmin.com/download/repository sarge contrib 
wget http://www.webmin.com/jcameron-key.asc

sudo apt-key add jcameron-key.asc  


sudo apt-get update

sudo apt-get install webmin

#***************************************************
#**********     Sample Reverse Proxy      **********
#***************************************************
sudo nano /etc/apache2/sites-available/webmin.mypi.myserver.se.conf
<VirtualHost *:443>
        ServerName webmin.mypi.mysite.se

        ProxyPreserveHost On
        ProxyRequests Off

        ProxyPass / http://mypi:10000/
        ProxyPassReverse / http://mypi:10000/

        SSLEngine on
        SSLCertificateFile /etc/letsencrypt/live/webmin.mypi.mysite.se/fullchain.pem
        SSLCertificateKeyFile /etc/letsencrypt/live/webmin.mypi.mysite.se/privkey.pem
</VirtualHost>

Disable SSl in Webmin
Add Trusted Referrer

#http://www.webmin.com/deb.html