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Mumble Build, Operate, Maintain


After either running the CAPES deployment script or the independent Mumble deployment script, you'll need to configure some environment variables to complete the installation and prepare for usage.

Everything in the Build phase is done with either the or script, the below steps are only if you are doing this completely manually.

Prepare the Environment

sudo yum -y install bzip2 && yum -y update
sudo groupadd -r murmur
sudo useradd -r -g murmur -m -d /var/lib/murmur -s /sbin/nologin murmur
sudo mkdir -p /var/log/murmur
sudo chown murmur:murmur /var/log/murmur
sudo chmod 0770 /var/log/murmur

Download Binaries

curl -OL
tar vxjf murmur-static_x86-1.2.19.tar.bz2
sudo mkdir -p /opt/murmur
sudo cp -r ./murmur-static_x86-1.2.19/* /opt/murmur
sudo cp ./murmur-static_x86-1.2.19/murmur.ini /etc/murmur.ini


Check the version you're downloading to make sure it's 1.2.19. If it isn't, you'll need to make sure you adjust the file names in the instructions above.

Configure /etc/murmur.ini

Make sure that the following settings are properly configured in

sudo vi /etc/murmur.ini
registerName=CAPES - Mumble Server

Configure the Firewall

sudo firewall-cmd --add-port=7000/tcp --add-port=7000/udp --permanent
sudo firewall-cmd --reload

Rotate Logs

To avoid /var/log filling up, let's set up a log rotation

sudo vi /etc/logrotate.d/murmur
/var/log/murmur/*log {
    su murmur murmur
    rotate 4
        /bin/systemctl reload murmur.service > /dev/null 2>/dev/null || true

Creating the systemd Service

We want this to run in the background and at boot, so...

sudo vi /etc/systemd/system/murmur.service
Description=Mumble Server (Murmur) mariadb.service

ExecStart=/opt/murmur/murmur.x86 -ini /etc/murmur.ini
ExecReload=/bin/kill -s HUP $MAINPID


Generate the /var/run pid Directory

sudo vi /etc/tmpfiles.d/murmur.conf
d /var/run/murmur 775 murmur murmur

Prepare the Execution Environment

sudo systemd-tmpfiles --create /etc/tmpfiles.d/murmur.conf
sudo systemctl daemon-reload
sudo systemctl enable murmur.service


Run the Service

Let's fire this puppy up!

sudo systemctl start murmur.service

Configure the SuperUser Account

sudo /opt/murmur/murmur.x86 -ini /etc/murmur.ini -supw <passphrase>

Connect to the Mumble Server

  1. Download the client of your choosing from the Mumble client page
  2. Install
  3. There will be considerable menus to navigate, just accept the defaults unless you have a reason not to and need a custom deployment.
  4. Start it up and connect to
  5. Label: Whatever you want your channel to be called...maybe "CAPES" or something?
  6. Address: CAPES server IP address
  7. Port: 7000
  8. Username: whatever you want
  9. Password: this CAN be blank...but it shouldn't be ahem
  10. Click "OK"
  11. Select the channel you just created and click "Connect"
  12. Right click on your name and select "Register"

Delegating Permissions

Once a user has created an account and Registered, you can add them to the admin role.

  1. Click on the Globe and select the channel that you created and click "Edit"
  2. For the username, use the SuperUser account with the passphrase you set during installation (the passphrase box will show up once you type SuperUser).
  3. Right-click on main channel (likely "CAPES - Mumble Server") and select Edit
  4. Go to the Groups tab
  5. Select the admin role from the drop down
  6. Type the user account you want to delegate admin functions to in the box
  7. Click Add and then Ok
  8. Click on the Globe and select the channel that you created and click "Edit"
  9. Enter your username (not SuperUser) and your passphrase, and you can log in and perform administrative functions

Creating Channels

  1. Right-click on the main channel (likely "CAPES - Mumble Server") and select Add
  2. Name and add the channel


If the Temporary box is checked and greyed out, you do not have not been delegated rights. See Delegating Permissions above.

Additional documentation