```bash
sudo dnf install cowsay ansible # sur centos 8
sudo yum install cowsay ansible # sur centos 7
```

```bash
grep -v -E '^(\s+#|#|$)' /etc/ansible/ansible.cfg
```

```ini
[defaults]
forks                    =  20
ask_pass                 =  True
gathering                =  smart
host_key_checking        =  False
callback_whitelist       =  timer, profile_tasks
remote_user              =  formation
fact_caching             =  jsonfile
fact_caching_connection  =  /etc/ansible/facts
fact_caching_timeout     =  86400
retry_files_enabled      =  False
[inventory]
[privilege_escalation]
become                  = True
become_ask_pass         = True
[paramiko_connection]
[ssh_connection]
pipelining              = True
[persistent_connection]
[accelerate]
[selinux]
[colors]
[diff]
```

```bash
$ mkdir -m 1777 /etc/ansible/facts
$ ansible-config dump
```

```bash
$ echo 'set softtabstop=2 expandtab shiftwidth=2 smarttab autoindent' >> ~/.vimrc
```