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Raymond Ops
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Raymond Ops

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

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Recent Articles

Latest from Raymond Ops

100 recent articles max
Raymond Ops
Raymond Ops
Dec 22, 2025 · Operations

Build a High‑Availability Prometheus Monitoring System from Scratch: Pitfalls & Performance Tuning

This guide walks you through constructing a production‑grade, highly available Prometheus monitoring stack, covering architecture choices, sharding strategies, common pitfalls such as memory bloat, query latency and storage growth, and provides concrete tuning steps, Kubernetes deployment examples, and advanced optimisation techniques.

KubernetesMonitoringPrometheus
0 likes · 11 min read
Build a High‑Availability Prometheus Monitoring System from Scratch: Pitfalls & Performance Tuning
Raymond Ops
Raymond Ops
Dec 21, 2025 · Operations

Mastering Ansible: Deep Dive into Architecture, Modules, and Enterprise Automation

This comprehensive guide explains Ansible's agentless architecture, core components, module taxonomy, custom module development, performance tuning, large‑scale design patterns, real‑world LAMP deployment, monitoring integration, and future cloud‑native and AI‑driven trends, providing actionable steps for DevOps engineers.

AnsibleConfiguration ManagementInfrastructure
0 likes · 15 min read
Mastering Ansible: Deep Dive into Architecture, Modules, and Enterprise Automation
Raymond Ops
Raymond Ops
Dec 20, 2025 · Operations

Master Linux Network Troubleshooting: From Ping to Traceroute

An operations engineer’s step‑by‑step guide walks through identifying network failure symptoms, using ping, traceroute, port checks, DNS validation, advanced interface and firewall analysis, practical case studies, automation scripts, best‑practice SOPs, and preventive checklists to quickly pinpoint and resolve Linux network issues.

LinuxMonitoringShell Scripts
0 likes · 11 min read
Master Linux Network Troubleshooting: From Ping to Traceroute
Raymond Ops
Raymond Ops
Dec 18, 2025 · Cloud Computing

How to Build Reusable Multi‑Cloud Infrastructure with Terraform

Learn how to replace manual, error‑prone cloud console clicks with Terraform‑driven, reusable multi‑cloud infrastructure, covering why multi‑cloud matters, Terraform fundamentals, project layout, example networking and compute modules for AWS and Alibaba Cloud, CI/CD integration, security scanning, cost optimization, and best‑practice guidelines.

CI/CDInfrastructure as CodeOps
0 likes · 18 min read
How to Build Reusable Multi‑Cloud Infrastructure with Terraform
Raymond Ops
Raymond Ops
Dec 18, 2025 · Information Security

Build an Impenetrable Linux Server: Step‑by‑Step Security Hardening Guide

This comprehensive guide walks you through real‑world intrusion analysis and a multi‑layered hardening strategy for Linux servers, covering SSH security, Fail2Ban, firewalls, iptables, IDS, file integrity monitoring, automated alerts, emergency response, and advanced techniques to create a robust defense.

Fail2BanHardeningIDS
0 likes · 15 min read
Build an Impenetrable Linux Server: Step‑by‑Step Security Hardening Guide
Raymond Ops
Raymond Ops
Dec 17, 2025 · Operations

Build a Production‑Ready Prometheus HA Architecture with Federation and Remote Storage

Learn how to design and implement a robust, production‑grade Prometheus high‑availability solution using a federated global cluster, multiple business‑level instances, remote storage with Thanos or VictoriaMetrics, Docker‑Compose deployment, health‑check scripts, performance metrics, alerting rules, and best‑practice operational guidelines.

Docker ComposeFederationRemote Storage
0 likes · 17 min read
Build a Production‑Ready Prometheus HA Architecture with Federation and Remote Storage
Raymond Ops
Raymond Ops
Dec 17, 2025 · Operations

Zero‑to‑Hero Linux Installation: Mastering Partition Strategies

This guide walks you through why proper Linux partitioning matters, presents production‑grade and scenario‑specific layouts, covers hardware checks, BIOS/UEFI settings, step‑by‑step partitioning with fdisk/GPT and LVM, filesystem choices, security hardening, automation scripts, monitoring, and best‑practice tips for a flawless system install.

AutomationFilesystemInstallation
0 likes · 16 min read
Zero‑to‑Hero Linux Installation: Mastering Partition Strategies
Raymond Ops
Raymond Ops
Dec 16, 2025 · Artificial Intelligence

Master Multi‑GPU Load Balancing for OLLAMA: From Setup to Production

This guide walks you through configuring OLLAMA for multi‑GPU load balancing, covering hardware checks, CUDA and Docker setup, native and containerized deployment methods, core parameter tuning, advanced sharding, dynamic monitoring, troubleshooting, production best practices, and a real‑world RTX 4090 case study.

AI inferenceCUDAGPU
0 likes · 15 min read
Master Multi‑GPU Load Balancing for OLLAMA: From Setup to Production
Raymond Ops
Raymond Ops
Dec 16, 2025 · Operations

Boost Linux Performance 30-50%: Full CPU, Memory & Disk I/O Tuning Guide

This guide provides a systematic, multi‑layered approach to Linux performance optimization, covering CPU usage analysis, memory management, disk I/O tuning, kernel parameter tweaks, NUMA and container adjustments, with concrete commands, real‑world case studies, monitoring scripts, and actionable best‑practice checklists.

CPULinuxMemory
0 likes · 14 min read
Boost Linux Performance 30-50%: Full CPU, Memory & Disk I/O Tuning Guide