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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 […]

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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 […]

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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, […]

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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 […]

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System Administration

Building a Minecraft Server With Ubuntu Linux

I’ve recently built a Minecraft server in my homelab to give my kids something new to play with. All of my kids love playing Minecraft and we already have multiple copies on all of the different devices in the house. In this post I wanted to explain the steps to getting a Minecraft server running […]

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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 […]

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System Administration

Setting Up Oracle Linux Automation Manager

Previously I wrote about using Ansible to manage the configuration of Linux servers. I love using Ansible and use it almost every day, however in a large Enterprise environment with multiple users and a lot of Ansible roles and playbooks, sometimes using Ansible on its own becomes difficult to maintain. In this post I’m going […]

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System Administration

Managing Linux servers with Ansible

Ansible is an open source, configuration management and automation tool sponsored by Red Hat. Ansible lets you define the state that your servers should be in using YAML and then proceeds to create that state over SSH. For example, the state might be that the Apache web server should be present and enabled. The great […]

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System Administration

Joining Enterprise Linux to Active Directory

In this post I’ll outline the steps to join an Enterprise Linux host to Microsoft Active Directory for user account management. Why would you want to do this? In an Enterprise environment it’s common to have a mix of Windows and Unix/Linux machines that offer different services across the organisation. To resolve the issues of […]

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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 […]