Installation

Install Murmur:

apk add murmur

Edit /etc/murmur.ini:

sslCert=/etc/letsencrypt/live/example.com/fullchain.pem
sslKey=/etc/letsencrypt/live/example.com/privkey.pem

Allow TCP traffic on port 64738:

ufw allow 64738

Start the service:

/etc/init.d/murmur start
rc-update add murmur

Add the following DNS record:

_mumble._tcp SRV 64738 mumble.example.com.