🟡 Medium ⏱ 5–30 min Last verified: 12 December 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
Tekton is a Kubernetes-native CI/CD framework that models each stage of a pipeline as a custom resource, making pipelines portable, reproducible, and version-controlled alongside application code. On RHEL 8 with a running Kubernetes cluster, Tekton integrates directly with kubectl and requires no separate CI server to manage. This tutorial covers installing the Tekton Pipelines CRDs, […]
k3s is a lightweight, CNCF-certified Kubernetes distribution built for resource-constrained environments, edge deployments, and developer laptops, yet it is fully production-capable. It ships as a single binary under 100 MB, bundles its own SQLite datastore, and eliminates the need for a separate etcd cluster on small installations. RHEL 8 is an excellent host for k3s […]
Redis is an in-memory data structure store used as a database, cache, and message broker, capable of delivering sub-millisecond response times for millions of operations per second. On RHEL 8, Redis is available through the AppStream module system, giving you a straightforward installation path without third-party repositories. This guide covers installing Redis 6 via AppStream […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up couchdb on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]
Introduction to Advanced PowerShell Scripting for Windows Server 2019 Windows Server 2019 ships with PowerShell 5.1 by default, and PowerShell 7.x can be installed side-by-side. Advanced scripting on this platform goes well beyond one-liners. A professional administrator writes scripts that are modular, error-tolerant, self-documenting, and safe to run in production. This guide covers the patterns […]
Redis provides two high-availability mechanisms: Sentinel for automatic failover on a primary-replica setup, and Cluster for horizontal partitioning across multiple nodes. Both are production-grade solutions supported on RHEL 8 through the EPEL 8 repository or directly from the Redis package. Understanding when to use each helps you design a topology that meets your durability and […]
How to Set Up a PXE Boot Server on RHEL 7 Provisioning bare-metal servers or virtual machines one by one from USB media does not scale. A PXE (Preboot Execution Environment) boot server lets a machine boot directly from the network, pull a kernel and RAM disk from a TFTP server, and optionally complete an […]
How to Configure Windows Diagnostics and Memory Dump on Windows Server 2016 When a Windows Server 2016 system experiences a kernel-mode crash, also known as a Blue Screen of Death or Bug Check, the operating system can be configured to capture diagnostic information in the form of a memory dump file. Analyzing this dump file […]
How to Install and Configure OpenLiteSpeed Web Server on RHEL 7 OpenLiteSpeed is the open-source edition of LiteSpeed Web Server, one of the fastest web servers available for Linux. It is event-driven, capable of handling tens of thousands of concurrent connections with minimal memory, and includes native support for PHP via LSAPI — an interface […]
