Ansible

= Installation =

Adding Repository: sudo apt-get update sudo apt-get install software-properties-common sudo apt-add-repository ppa:ansible/ansible

Installation: sudo apt-get update sudo apt-get install ansible

= Prepare the Remote Host = Generate SSH Key on the Ansible Server: ssh-keygen Copy the keys to the Remote Server: ssh-copy-id -i ~/.ssh/id_rsa.pub aman@10.100.8.103 Test the Connection using SSH Keys: ssh aman@10.100.8.103

= Configure Ansible = Edit Ansible Hosts File: sudo nano /etc/ansible/hosts

Create a Host: my_server ansible_ssh_host=10.100.8.103

Or Create a Group: [my_web_servers] host1 ansible_ssh_host=192.0.2.1 host2 ansible_ssh_host=192.0.2.2 host3 ansible_ssh_host=192.0.2.3

= Execute Commands = ansible -m ping all ansible -m shell -a 'free -m' host1