DevOps Classroom Series – 08/May/2021

Ansible Contd..

• In Ansible the unit of work is module.
• Lets try to use Ansible to install apache server on Ubuntu
  • Identify and execute the manual steps in configuring the apache server

  sudo apt update
  sudo apt install apache2 -y
  

  • Lets Execute these steps to verify if they are working
  • Ansible Steps:
    • Try to identify and create/edit inventory
    • Refer Here to understand playbook syntax
    • Searching modules in Ansible
      • Simple Approach: Google <cmd> in Ansible
      • Any module in Ansible will have a state parameter
    • Refer Here for the playbook written in the class
    • Usage of Ansible Playbook
    • To make this execution successful we need to provide inventory, playbook and private key

    ansible-playbook -i hosts --private-key  /home/ubuntu/ansible.pem apache.yaml
    

    
• Lets try to make our ansible lab setup more like an enterprise setup
• Things to explore before doing this
  • visudo
  • ssh-keygen
  • ssh configuration in /etc/ssh/sshd_config
  • enable/disable password based authentication in linux