To set this up, you can follow Step 2 of How to Set Up SSH Keys on Ubuntu 20.04. This user can be either root or a regular user with sudo privileges. The Ansible control node’s SSH public key added to the authorized_keys of a system user.This guide assumes your Ansible hosts are remote Ubuntu 20.04 servers. One or more Ansible Hosts: An Ansible host is any machine that your Ansible control node is configured to automate. To set this up, you can follow Step 1 of our guide on How to Set Up SSH Keys on Ubuntu 20.04. An SSH keypair associated with this user.Doing so will configure a firewall on the server with ufw and enable external access to your non-root user profile, both of which will help keep the remote server secure. However, please note that if you’re using a remote server as your Ansible Control node, you should follow every step of this guide.
To set this up, you can follow Steps 2 and 3 of our Initial Server Setup Guide for Ubuntu 20.04.
Your Ansible control node can either be your local machine or a server dedicated to running Ansible, though this guide assumes your control node is an Ubuntu 20.04 system. One Ansible Control Node: The Ansible control node is the machine we’ll use to connect to and control the Ansible hosts over SSH. For a more high-level overview of Ansible as configuration management tool, please refer to An Introduction to Configuration Management with Ansible. In this guide, we’ll discuss how to install Ansible on an Ubuntu 20.04 server and go over some basics of how to use this software. Ansible is a great alternative to these options because it offers an architecture that doesn’t require special software to be installed on nodes, using SSH to execute the automation tasks and YAML files to define provisioning details. While there are many popular configuration management tools available for Linux systems, such as Chef and Puppet, these are often more complex than many people want or need.
They allow you to control many different systems in an automated way from one central location. Configuration management systems are designed to streamline the process of controlling large numbers of servers, for administrators and operations teams.
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