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Raymond Ops

Linux ops automation, cloud-native, Kubernetes, SRE, DevOps, Python, Golang and related tech discussions.

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Latest from Raymond Ops

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Raymond Ops

Feb 24, 2026 · Operations

Mastering Enterprise CI/CD with Ansible: A Complete Hands‑On Guide

This comprehensive guide explains how to build an enterprise‑grade CI/CD automation platform with Ansible, covering its evolution, core principles, environment setup, dynamic inventory, modular playbooks, GitLab integration, blue‑green deployments, Vault security, custom module development, real‑world case studies, performance tuning, error handling, monitoring, and testing with Molecule.

AnsibleCI/CDConfiguration Management

0 likes · 25 min read

Mastering Enterprise CI/CD with Ansible: A Complete Hands‑On Guide

Raymond Ops

Feb 14, 2026 · Operations

How I Cut 80% of Ops Time with an Automated Service Management System

This article details a complete automated operations framework that replaces manual service restarts, log cleaning, and deployment tasks with health‑checks, systemd units, Kubernetes probes, monitoring scripts, fault‑diagnosis tools, auto‑scaling policies, and Ansible playbooks, saving roughly 80% of repetitive work and dramatically improving reliability.

automationmonitoringops

0 likes · 38 min read

How I Cut 80% of Ops Time with an Automated Service Management System

Raymond Ops

Feb 13, 2026 · Operations

10 Proven Nginx Tweaks to Turn Your Server from Slow to Lightning Fast

This guide presents ten practical Nginx optimization techniques—from worker process tuning and connection handling to gzip compression, static file caching, load balancing, security hardening, and HTTP/2/SSL tweaks—illustrated with configuration snippets, real‑world pitfalls, monitoring scripts, and future‑proof recommendations for high‑traffic, cloud‑native environments.

operationsoptimization

0 likes · 14 min read

10 Proven Nginx Tweaks to Turn Your Server from Slow to Lightning Fast

Raymond Ops

Feb 12, 2026 · Cloud Native

Master Kubernetes: Core Concepts, Architecture, and Advanced Networking Explained

This comprehensive guide demystifies Kubernetes by covering its core principles, component architecture, service discovery mechanisms, pod resource sharing, CNI plugins, multi‑layer load balancing, and IP addressing models, providing engineers with the knowledge needed to design and operate robust cloud‑native clusters.

CNICloud NativeIP addressing

0 likes · 14 min read

Master Kubernetes: Core Concepts, Architecture, and Advanced Networking Explained

Raymond Ops

Feb 11, 2026 · Databases

Mastering Redis Memory: From Basics to Advanced Troubleshooting

This comprehensive guide walks you through the real costs of Redis memory problems, explains the three‑layer memory architecture and five major consumers, provides a toolbox of INFO and MEMORY commands plus monitoring scripts, and offers step‑by‑step solutions for seven common issues, best‑practice optimizations, real‑world case studies, a daily checklist, and advanced techniques such as Lua scripts and smart cache warm‑up.

BackendDatabasesRedis

0 likes · 26 min read

Mastering Redis Memory: From Basics to Advanced Troubleshooting

Raymond Ops

Feb 10, 2026 · Operations

How to Scale Automation with Ansible: A Step‑by‑Step Guide

A real‑world incident where a manual deployment error crippled 500 servers illustrates the dangers of hand‑crafted ops, and the article walks through Ansible’s project layout, dynamic inventory, idempotent roles, variable hierarchy, CI/CD integration, common pitfalls, and future extensions to Kubernetes, Terraform, and AI‑driven automation.

AnsibleCI/CDInfrastructure as Code

0 likes · 11 min read

How to Scale Automation with Ansible: A Step‑by‑Step Guide

Raymond Ops

Feb 8, 2026 · Operations

MySQL Ops Nightmares: Lessons from a 3 AM Production Crash

A seasoned DBA recounts a 3 AM MySQL outage caused by an unindexed query, then shares practical strategies for indexing, connection‑pool sizing, slow‑query tuning, replication lag handling, monitoring, automation, performance tuning, security hardening, and future‑proofing MySQL deployments.

Database operationsMySQL

0 likes · 14 min read

MySQL Ops Nightmares: Lessons from a 3 AM Production Crash

Raymond Ops

Feb 7, 2026 · Operations

Nginx vs HAProxy: Enterprise Load Balancing from Zero to Production

This comprehensive guide compares Nginx and HAProxy in architecture, performance, configuration, high‑availability design, monitoring, tuning, and troubleshooting, providing step‑by‑step examples and a decision matrix to help engineers choose the right load‑balancing solution for enterprise workloads.

HAProxyNginxconfiguration

0 likes · 19 min read

Nginx vs HAProxy: Enterprise Load Balancing from Zero to Production

Raymond Ops

Feb 5, 2026 · Databases

Mastering Redis Persistence: RDB vs AOF Showdown and Real‑World Optimizations

This comprehensive guide examines why Redis persistence is critical, compares RDB snapshots and AOF logging in depth, provides configuration examples, monitoring scripts, performance benchmarks, real‑world incident analyses, and practical recommendations for selecting and tuning the optimal persistence strategy.

AOFBackupPersistence

0 likes · 23 min read

Mastering Redis Persistence: RDB vs AOF Showdown and Real‑World Optimizations

Raymond Ops

Feb 5, 2026 · Operations

Midnight Log Nightmare: Choosing the Right Linux Log Management Tool

A 3 AM production outage reveals how massive, unindexed log files can cripple incident response, prompting a detailed comparison of traditional text tools, log rotation, ELK Stack, and Grafana Loki, along with practical tips, common pitfalls, and future trends in log management.

ELKGrafana Lokilog management

0 likes · 13 min read

Midnight Log Nightmare: Choosing the Right Linux Log Management Tool