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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

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 […]