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LiNUX Lab

Static Inventories

We deploy the real environment, you take the scenario-based labs on us. Hands-on, from anywhere, at any time.

Time required: 2 Hours

Scope

add extra groups to your hosts file with localhost as the target.
use the ping command to make sure they all work.  Add a localhost file and entry and test using that.

Suggested Pre Requisites

 

Standard tasks for all lab servers to set them up for self use.

 

Log into the lab server as user then sudo to the root user.

 

sudo su -

 

Install ansible with

 

yum install ansible

 

Add the local server as a local group.

 

Edit the /etc/ansible/hosts file.  Put the following at the top.

 

[local]
localhost

[single]
localhost

[databases]
localhost

[other]
localhost

[temp]
localhost

 

Save the /etc/ansible/hosts file.

 

Create an ansible user to use with the labs. 

 sudo useradd -G wheel ansible

Log out and log in as the ansible user.

Create an ssh key for your user.

 

ssh-keygen

Use the ssh-copy-id command to copy your own ssh key to your own user's authority file.

 


ssh-copy-id localhost

Use the ansible all -m ping command to test connectivity to the localhost.   You should now be ready to use the lab server.

 

 

 

Objectives

add extra groups to your hosts file with localhost as the target.
use the ping command to make sure they all work.  Add a localhost file and entry and test using that.

Overview

add extra groups to your hosts file with localhost as the target.
use the ping command to make sure they all work.  Add a localhost file and entry and test using that.

Scenarios

1. Setup Lab server as per Pre-requisites.
2. add extra groups to your /etc/ansible/hosts file.
3. Use ad-hoc ping command to ensure they work.
4. Use new host information to pull down ansible facts such as hostname.
5. Add a local host file and use that for tasks.

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