Ansible Setup on AWS EC2 Linux Instance

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For Ansible to work,python and SSH should be configured on all the servers

Prerequistie

Python

SSH

On AWS EC2 Linux Free Tier Instance, python and ssh both are already installed

Python Version — 2.7.13

Three servers

Ansible control Server ( Install ansible using epel repository)- On AWS you have to enable this file

WebServer

DBServer

How to connect between these servers ?

To ping these servers(webserver and dbserver) from ansible control server , you have to add one inbound rule “All ICAMP traffic” in both the instances)

Ansible Control Server

Install Ansible on Redhat

wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -ivh epel-release-latest-7.noarch.rpm
yum repolist
yum --enablerepo=epel install ansible

Install Ansible on AWSLinux

vim /etc/yum.repos.d/epel.repo
or
sudo yum-config-manager --enable epel

yum repolist ( you should see epel)

yum install ansible

Create an entry for all servers in etc/hosts file as shown below

vim etc/hosts

Create one user “ansadm” on all the servers as shown below

After adding you have to do ssh by login as ansadm user. You will get the below error , because…