As I prepare for my CKA exam I decided to create a series of articles (more like exercises) discussing different topics about Kubernetes. A good way to kick this off is by actually installing Kubernetes and setting up our environment using Kubeadm. Let’s start off with some of the requirements: 3 CentOS 7 VMs with… Continue reading CKA Preparation: Setting Up a Kubernetes Cluster with 2 Nodes
Using Molecule for Testing Ansible Roles
Over the last few weeks I found myself working on an Ansible role for one my clients. Unfortunately developing this role is not a piece of cake, so my “old ways” of testing weren’t going to cut it this time around. Let’s be honest.. even if you virtualize your local test environments with something like… Continue reading Using Molecule for Testing Ansible Roles
Working with OBS for .rpm Packaging
How many of us have found it -a little bit- bothersome when one of our favourite Linux distributions doesn’t contain a package that we definitely need in our system, whether that’s for professional reasons or just to make our lives a bit easier in the open source world. If that also happened to you then… Continue reading Working with OBS for .rpm Packaging
Ansible EX407V27 Exam Preparation: Configuring motd
The goal of this task will be configuring a welcome message per host group, each message will be different. Ansible installed, version 2.7 is preferred One ‘ansible’ user configured, with sudo privileges and passwordless access to all managed hosts 1 ansible-control node 3 managed-nodes Our inventory file should look something like this: In the same… Continue reading Ansible EX407V27 Exam Preparation: Configuring motd
Docker Basics – Hands On
It’s undeniable that Docker (and containerization in general) has been gaining popularity in recent years. If you work in IT, you’ve most likely heard people talking about it. So, today seems like the perfect chance for me to show you some basics. Some experience with Linux is required as I won’t go that deep into… Continue reading Docker Basics – Hands On
Deploying WordPress in an Automated Way Using Ansible
Today we’ll be installing WordPress using Red Hat’s Ansible. Some hands-on experience with Linux and Ansible is expected. List of requirements is as follows: Ansible installed in the control node. In my case I’m using the latest version (2.9.3 at the moment this article was written) 1 node with IP address 192.168.0.10 (ansible-control) 1 node… Continue reading Deploying WordPress in an Automated Way Using Ansible
Day 1
Welcome to rdbreak.com! The idea behind this site is nothing more than sharing knowledge with Linux and IT nerds from all around the globe. In the upcoming weeks and months, I’ll be creating different articles based on topics I personally find interesting. Linux, Ansible, AWS, Openstack and more. Hope you enjoy your stay and get… Continue reading Day 1