refactor(docs): apply the Diátaxis framework

Squashed commit of the following:

commit 257867f196376df55fa0f57edbdf33967b1da04e
Author: Khue Doan <mail@khuedoan.com>
Date:   Sun Sep 18 16:45:42 2022 +0700

    refactor(docs): apply the Diátaxis framework
This commit is contained in:
Khue Doan
2022-09-19 02:40:07 +07:00
parent 710f6e9f98
commit 1405fadf1a
33 changed files with 227 additions and 107 deletions

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# Run commands on multiple nodes
Use [ansible-console](https://docs.ansible.com/ansible/latest/cli/ansible-console.html):
```sh
cd metal
make console
```
Then enter the command(s) you want to run.
!!! example
`root@all (4)[f:5]$ uptime`
```console
metal0 | CHANGED | rc=0 >>
10:52:02 up 2 min, 1 user, load average: 0.17, 0.15, 0.06
metal1 | CHANGED | rc=0 >>
10:52:02 up 2 min, 1 user, load average: 0.14, 0.11, 0.04
metal3 | CHANGED | rc=0 >>
10:52:02 up 2 min, 1 user, load average: 0.03, 0.02, 0.00
metal2 | CHANGED | rc=0 >>
10:52:02 up 2 min, 1 user, load average: 0.06, 0.06, 0.02
```