Upgrade on Support Tools

Active Directory Domain Controller In-Place Upgrades: Adprep Forest and Domain Preparation Enterprise Guide

Tue, 17 Mar 2026 00:00:00 -0500

Active Directory domain controller upgrades require meticulous planning and systematic execution to maintain directory service integrity across enterprise forests. This comprehensive guide covers adprep preparation, supported upgrade paths, and production-ready procedures for Windows Server domain controller in-place upgrades.

How to Upgrade Your Omnibus GitLab: A Step-by-Step Guide

Fri, 25 Jul 2025 03:00:00 -0500

Upgrading your GitLab instance is essential to leverage new features, security patches, and performance improvements. In this comprehensive guide, we’ll walk you through the easiest and most secure way to upgrade your Omnibus GitLab installation on a Linux system.

CKA Prep: Part 7 – Cluster Maintenance

Fri, 04 Apr 2025 00:00:00 +0000

Cluster Maintenance Overview

Cluster maintenance is a critical aspect of Kubernetes administration and a significant part of the CKA exam. This section covers key maintenance activities including node management, upgrades, and backup/restore procedures.

Node Maintenance

Cordoning and Draining Nodes

When performing maintenance on a node, you need to safely move workloads away from it:

Cordoning a Node

Cordoning marks a node as unschedulable, preventing new pods from being scheduled on it.

Upgrading Longhorn

Mon, 06 Jan 2025 00:00:00 -0500

In this section of the Longhorn Basics course, we will cover the steps for upgrading Longhorn, including planning, the upgrade process, and rollback options.

(Not) Upgrading ArgoCD on Kubernetes

Sat, 18 May 2024 19:26:00 -0500

Documenting the challenges and solutions encountered while attempting to upgrade ArgoCD on Kubernetes to address a security fix. Learn from this experience to manage your ArgoCD upgrades more effectively.

Upgrading k3s on a Raspberry Pi Cluster

Sat, 18 May 2024 19:26:00 -0500

Learn how to upgrade k3s on a Raspberry Pi cluster, including handling the control plane and worker nodes. This guide will walk you through the steps to ensure a smooth upgrade process.

Upgrading RaspiOS to arm64 on Raspberry Pi

Sat, 18 May 2024 19:26:00 -0500

Can you upgrade your Raspberry Pi 4-powered k3s cluster to arm64 without rebuilding everything? The short answer is no. This guide explores the challenges and considerations for such an upgrade.