// Aula 3 - Configuração do nosso Laboratório

• node : Servidor do Ansible (Rocky Linux).
• web1 : The web server 1 (Ubuntu).
• web2 : The web server 2 (Rocky Linux).
• db1 : Banco de Dados 1 (Ubuntu).
• db2 : Banco de Dados 2 (Rocky Linux).

Node - IP 192.168.15.93

Web1 - IP 192.168.15.102

Web2 - IP 192.168.15.61

Db1 - IP 192.168.15.103

Db2 - IP 192.168.15.60

# sudo hostnamectl set-hostname node

# sudo hostnamectl set-hostname web1

# sudo hostnamectl set-hostname web2

# sudo hostnamectl set-hostname db1

# sudo hostnamectl set-hostname db2

# sudo visudo

node ALL=(ALL) NOPASSWD:ALL

web1 ALL=(ALL) NOPASSWD:ALL

web2 ALL=(ALL) NOPASSWD:ALL

db1 ALL=(ALL) NOPASSWD:ALL

db2 ALL=(ALL) NOPASSWD:ALL

node ~]# vim /etc/hosts

127.0.0.1 node localhost
192.168.15.102 web1
192.168.15.103 db1
192.168.15.61 web2
192.168.15.60 db2

# ping web1

# ping web2

# ping db1

# ping db2

# ssh-keygen

# ssh-copy-id -i ~/.ssh/id_rsa.pub web1@web1

# ssh-copy-id -i ~/.ssh/id_rsa.pub web2@web2

# ssh-copy-id -i ~/.ssh/id_rsa.pub db1@db1

# ssh-copy-id -i ~/.ssh/id_rsa.pub db2@db2

# ssh 'web1@web1'

# ssh 'web2@web2'

# ssh 'db1@db1'

# ssh 'db2@db2'