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Using Ansible Playbooks

September 7, 2019 by The Urban Penguin

Deploying Ansible Playbooks Although the use of ad-hoc commands is feasible, being able to store the desired state of our managed nodes is preferable. This gives us both documentation of the configuration and the ability to configure new nodes in the same way with the same commands in the same order. Ansible Playbooks are at […]

Filed Under: RH294

Reset Root Password – RHEL 8

September 6, 2019 by The Urban Penguin

reset root password

Recovering Lost Root User Passwords It is that dreaded first day at work where you turn up as the brand new system administrator and nobody knows the root password to the server and they are staring at you hopefully. Of course, if someone has a login with full sudo rights then it is a trivial […]

Filed Under: RH134

Using Ansible Inventory Files

September 2, 2019 by The Urban Penguin

Ansible Inventory

Building Ansible Inventory As we have already briefly seen, the hosts that want to manage are configured within the inventory file that we either configure in the ansible.cfg or specify with the option -i* There are different formats to the file the default /etc/ansible/hosts file in in INI format. We can list the supported formats […]

Filed Under: RH254

Managing Users in Ansible

August 31, 2019 by The Urban Penguin

Managing Users in Ansible

The user module in Ansible is the topic of this blog where we dive into managing Users in Ansible 2.8 running on our Red Hat Enterprise Linux 8 controller node. Rather than just running through tutorials covering elements of Ansible we are trying to build up a  picture of what you can use Ansible for. […]

Filed Under: RH294

Using Ansible Variables in Inventory Files

August 25, 2019 by The Urban Penguin

Ansible Variables can be used within Playbooks but also within the inventory. When we look at the Apache Web Server package in Ubuntu it is apache2, in Enterprise Linux variants, it is httpd. Adding  Ansible Variables to the inventory helps document the differences and makes the design of Playbooks, play and tasks more simple. Even […]

Filed Under: RH294

Ansible RHCE the new System Administration 3

August 24, 2019 by The Urban Penguin

Ansible RHCE Install

Ansible and the Red Hat Certified Engineer (RHCE) – The Ansible RHCE With the release of Red Hat Enterprise Linux 8 in May 2019 the company shifted the focus of their premier administration certification to automation with Ansible, we now have the Ansible RHCE. The new System Administration 3 course that follows on from the […]

Filed Under: RH294

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