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Document Ansible's Python interpreter discovery some more

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Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/570

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/641
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Slavi Pantaleev 2020-12-16 18:14:52 +02:00
parent db69a51653
commit e2e6cfaa8b
2 changed files with 4 additions and 1 deletions
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docs/prerequisites.md
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@ -10,7 +10,7 @@ This playbook doesn't support running on ARM (see [this issue](https://github.co
- `root` access to your server (or a user capable of elevating to `root` via `sudo`). - `root` access to your server (or a user capable of elevating to `root` via `sudo`).
- [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 python`). - [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`)
- A `cron`-like tool installed on the server such as `cron` or `anacron` to automatically schedule the Let's Encrypt SSL certificates's renewal. *This can be ignored if you use your own SSL certificates.* - A `cron`-like tool installed on the server such as `cron` or `anacron` to automatically schedule the Let's Encrypt SSL certificates's renewal. *This can be ignored if you use your own SSL certificates.*

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examples/hosts
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@ -10,6 +10,9 @@
# #
# If you're running this Ansible playbook on the same server as the one you're installing to, # If you're running this Ansible playbook on the same server as the one you're installing to,
# consider adding an additional `ansible_connection=local` argument below. # consider adding an additional `ansible_connection=local` argument below.
#
# Ansible may fail to discover which Python interpreter to use on the host for some distros (like Ubuntu 20.04).
# You may sometimes need to explicitly add `ansible_python_interpreter=/usr/bin/python3` to lines below.
[matrix_servers] [matrix_servers]
matrix.<your-domain> ansible_host=<your-server's external IP address> ansible_ssh_user=root matrix.<your-domain> ansible_host=<your-server's external IP address> ansible_ssh_user=root