SSH Key Setup Overview
| S.No | HOST | VM |
|---|---|---|
| 1. | Generate the SSH Key Pair | Provision VM with the Public Key |
| ssh-keygen | cloud-int or Vagrant or Packer | |
| 2 | Start SSH Agent | |
| eval "$(ssh-agent -s)" | ||
| 3 | Load Private Key to SSH Agent | |
| ssh-add -K private_key | ||
| 4 | ssh -F host or | |
| ssh -i user@ip |
- Controller - the Machine where Ansible installed on it and will manage the whole process
- Inventory - a file has all servers you will manage and they listed in groups as a category or standalone host
- Playbook -a file written in YAML format and it’s a human readable language , and it has all tasks that you want to execute it on the targeted machines
- Task - a block of single procedure to execute something on the remote target like install package (ex:- Nginx)
- Role - A pre-defined way for organizing playbooks for facilitating the provisioning process
- Facts - Global variables containing information about the system, like network interfaces
