Categories
System Administration

Converting from RHEL to AlmaLinux

The best thing about open source, and one of the reasons why I love the entire Linux ecosystem, is choice. With open source software you have the ability to choose what OS or software you run, how you run it, and what you can do with it. If you don’t like the decisions that have […]

Categories
System Administration

Converting from Oracle Linux/Rocky/CentOS to RHEL

In this post I wanted to demonstrate converting from one of the RHEL compatible Enterprise Linux distributions, like CentOS, Rocky Linux or Oracle Linux, to Red Hat Enterprise Linux. I’ll be demonstrating from an Oracle Linux server running in Proxmox, however these steps will work regardless of the RHEL compatible distribution you are starting from […]

Categories
System Administration

Exploring OpenShift

OpenShift is Red Hat’s container orchestration platform built on top of Kubernetes. I love working with containers and Kubernetes, and as I’m also a big fan of Red Hat technologies I wanted to become more familiar with working with OpenShift. I’ve also been studying Red Hat’s Openshift training courses including OpenShift Developer and OpenShift Administrator, […]

Categories
System Administration

Building a Custom Ansible Execution Environment

Recently I’ve been working on an Ansible upgrade project that included building out an Ansible Automation Platform installation and upgrading legacy ansible code to modern standards. The ansible code that we were working with had been written mostly targeting Enterprise Linux versions 6 and 7 and was using pre ansible version 2.9 coding standards. The […]

Categories
System Administration WordPress

Installing WordPress Multisite on Linux

WordPress is one of the most popular content management systems in the world estimated to be running over 40% of all websites. Its easy to use of use, has a massive theme and plugin ecosystem, and it’s super flexible for both personal websites and businesses. I’ve been using WordPress since the start of my career […]

Categories
Cloud Computing

Automating Server Deployments in AWS with Terraform

Previously I discussed deploying Enterprise Linux in AWS which I demonstrated by using the AWS console. This is a common way to deploy servers to the cloud, however doing server deployments manually can create a situation where you’re stuck with static images that are difficult to replicate when your infrastructure grows. One of the benefits […]

Categories
Cloud Computing

Deploying Enterprise Linux in AWS

In a previous post I discussed installing Enterprise Linux in a virtual machine, this time I wanted to write about deploying a server to the cloud. Cloud Computing platforms like Amazon’s AWS allow you to build and run all kinds of Infrastructure and services on-demand without having to purchase and maintain expensive physical computing hardware. […]

Categories
System Administration

Installing Enterprise Linux

In this post I’m going to demonstrate the installation of Enterprise Linux in a Virtual lab environment. I’ll be installing both Red Hat Enterprise Linux 9, because it’s the leading Enterprise Linux distribution, and CentOS Stream 9, because it’s the upstream community release of RHEL. The steps outlined here should be the same for all […]