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configuring-playbook-dynamic-dns.md

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Setting up Dynamic DNS (optional)

The playbook can configure Dynamic DNS with ddclient⁠ for you. It is a Perl client used to update dynamic DNS entries for accounts on Dynamic DNS Network Service Provider.

Most cloud providers / ISPs will charge you extra for a static IP address. If you're not hosting a highly reliable homeserver you can workaround this via dynamic DNS.

Prerequisite

You'll need to get a username and password from your DNS provider. Please consult with the provider about how to retrieve them.

Adjusting the playbook configuration

To enable dynamic DNS, add the following configuration to your inventory/host_vars/matrix.example.com/vars.yml file:

matrix_dynamic_dns_enabled: true

matrix_dynamic_dns_domain_configurations:
  - provider: example.net
    protocol: dyndn2
    username: YOUR_USERNAME_HERE
    password: YOUR_PASSWORD_HERE
    domain: "{{ matrix_domain }}"

Installing

After configuring the playbook, run it with playbook tags as below:

ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start

The shortcut commands with the just program are also available: just install-all or just setup-all

just install-all is useful for maintaining your setup quickly (2x-5x faster than just setup-all) when its components remain unchanged. If you adjust your vars.yml to remove other components, you'd need to run just setup-all, or these components will still remain installed. Note these shortcuts run the ensure-matrix-users-created tag too.

Additional Reading

Additional resources: