39 lines
3.8 KiB
Markdown
39 lines
3.8 KiB
Markdown
# Prerequisites
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To install services using this Ansible playbook, you need:
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- (Recommended) An **x86-64** (`amd64`) or **arm64** server running one of these operating systems:
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- **Red Hat Enterprise Linux** or derivative distros, e.g. Rocky Linux (Major version 7 or newer)
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- **Debian** (10/Buster or newer)
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- **Ubuntu** (18.04 or newer, although [20.04 may be problematic](ansible.md#supported-ansible-versions))
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- **Archlinux**
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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.
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This playbook somewhat supports running on non-`amd64` architectures like ARM. See [Alternative Architectures](alternative-architectures.md).
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If your distro runs within an [LXC container](https://linuxcontainers.org/), you may hit [this issue](https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/703). It can be worked around, if absolutely necessary, but we suggest that you avoid running from within an LXC container.
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- `root` access to your server (or a user capable of elevating to `root` via `sudo`).
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- [Python](https://www.python.org/) 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](https://docs.ansible.com/ansible/latest/reference_appendices/interpreter_discovery.html) (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`)
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- [sudo](https://www.sudo.ws/) 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.
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- The [Ansible](http://ansible.com/) 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](ansible.md) for more information, as well as [version requirements](ansible.md#supported-ansible-versions) and alternative ways to run Ansible.
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- the [passlib](https://passlib.readthedocs.io/en/stable/index.html) Python library installed on the computer you run Ansible. On most distros, you need to install some `python-passlib` or `py3-passlib` package, etc.
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- [git](https://git-scm.com/) 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](self-building.md) components.
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- [just](https://github.com/casey/just) for running `just roles` and playbook installation commands, etc. (see [`justfile`](../justfile)). You can get by without `just` (by running `ansible-galaxy`, `ansible-playbook` commands manually), but maintaining your playbook setup will require more manual work. `just` (thanks to the commands defined in the `justfile`) keeps various files (`setup.yml`, `requirements.yml`, `group_vars/mash_servers`) up-to-date with the templates in [the `templates/` directory](../templates/) automatically.
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- at least one domain name you can use
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- Some TCP/UDP ports open. This playbook (actually [Docker itself](https://docs.docker.com/network/iptables/)) 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:
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- `80/tcp`: HTTP webserver
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- `443/tcp`: HTTPS webserver
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- potentially some other ports, depending on the services that you enable in the **configuring the playbook** step (later on). Consult each service's documentation page in `docs/` for that.
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When ready to proceed, continue with [Configuring DNS](configuring-dns.md).
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