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matrix-docker-ansible-deploy/docs/prerequisites.md
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Prerequisites

To install Matrix services using this Ansible playbook, you need:

  • (Recommended) An x86 server (What kind of server specs do I need?) running one of these operating systems that make use of systemd:
    • Archlinux
    • CentOS, Rocky Linux, AlmaLinux, or possibly other RHEL alternatives (although your mileage may vary)
    • Debian (10/Buster or newer)
    • Ubuntu (18.04 or newer, although 20.04 may be problematic if you run the Ansible playbook on it)

Generally, newer is better. We only strive to support released stable versions of distributions, not betas or pre-releases. This playbook can take over your whole server or co-exist with other services that you have there.

This playbook somewhat supports running on non-amd64 architectures like ARM. See Alternative Architectures.

If your distro runs within an LXC container, you may hit this issue. It can be worked around, if absolutely necessary, but we suggest that you avoid running from within an LXC container.

  • root access to your server (or a user capable of elevating to root via sudo).

  • Python being installed on the server. Most distributions install Python by default, but some don't (e.g. Ubuntu 18.04) and require manual installation (something like apt-get install python3). On some distros, Ansible may incorrectly detect the Python version (2 vs 3) and you may need to explicitly specify the interpreter path in inventory/hosts during installation (e.g. ansible_python_interpreter=/usr/bin/python3)

  • sudo being installed on the server, even when you've configured Ansible to log in as root. Some distributions, like a minimal Debian net install, do not include the sudo package by default.

  • The Ansible program being installed on your own computer. It's used to run this playbook and configures your server for you. Take a look at our guide about Ansible for more information, as well as version requirements and alternative ways to run Ansible.

  • the passlib Python library installed on the computer you run Ansible. On most distros, you need to install some python-passlib or py3-passlib package, etc.

  • git is the recommended way to download the playbook to your computer. git may also be required on the server if you will be self-building components.

  • just for running just roles, just update, etc. (see justfile), although you can also run these commands manually

  • An HTTPS-capable web server at the base domain name (<your-domain>) which is capable of serving static files. Unless you decide to Serve the base domain from the Matrix server or alternatively, to use DNS SRV records for Server Delegation.

  • Properly configured DNS records for <your-domain> (details in Configuring DNS).

  • Some TCP/UDP ports open. This playbook (actually Docker itself) configures the server's internal firewall for you. In most cases, you don't need to do anything special. But if your server is running behind another firewall, you'd need to open these ports:

    • 80/tcp: HTTP webserver
    • 443/tcp and 443/udp: HTTPS webserver
    • 3478/tcp: TURN over TCP (used by Coturn)
    • 3478/udp: TURN over UDP (used by Coturn)
    • 5349/tcp: TURN over TCP (used by Coturn)
    • 5349/udp: TURN over UDP (used by Coturn)
    • 8448/tcp and 8448/udp: Matrix Federation API HTTPS webserver. In some cases, this may necessary even with federation disabled. Integration Servers (like Dimension) and Identity Servers (like ma1sd) may need to access openid APIs on the federation port.
    • the range 49152-49172/udp: TURN over UDP
    • potentially some other ports, depending on the additional (non-default) services that you enable in the configuring the playbook step (later on). Consult each service's documentation page in docs/ for that.

When ready to proceed, continue with Configuring DNS.