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A leading IT operations community where professionals share and grow together.

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Ops Community
Ops Community
Jan 6, 2026 · Information Security

Master Linux Permissions: From Basics to Advanced Security Practices

This comprehensive guide walks you through the evolution, fundamentals, and advanced techniques of Linux permission management, covering UGO models, special bits, ACLs, SELinux/AppArmor, best‑practice design principles, troubleshooting steps, audit configurations, and real‑world case studies for securing web, database, and SSH services.

ACLBest PracticesLinux
0 likes · 39 min read
Master Linux Permissions: From Basics to Advanced Security Practices
Ops Community
Ops Community
Jan 5, 2026 · Operations

Shell vs Python for System Automation: Which One Should You Use?

This article compares Shell and Python for system automation, presenting performance benchmarks across file processing, log analysis, and bulk server operations, and offers practical guidance on when to choose each language, migration strategies, code templates, common pitfalls, and best‑practice recommendations for ops engineers.

AutomationPerformanceoperations
0 likes · 26 min read
Shell vs Python for System Automation: Which One Should You Use?
Ops Community
Ops Community
Dec 30, 2025 · Cloud Native

Why I Dropped Jenkins for GitHub Actions & ArgoCD: A Complete GitOps Migration Guide

After years of using Jenkins, the author explains why moving to a GitOps workflow with GitHub Actions for CI and ArgoCD for CD offers lower maintenance, tighter integration with Kubernetes, declarative configurations, and automated deployments, and provides a step‑by‑step guide covering environment requirements, repository layout, CI pipeline, ArgoCD application setup, multi‑environment strategies, secret management, RBAC, monitoring, troubleshooting, and migration best practices.

ArgoCDCI/CDGitHub Actions
0 likes · 21 min read
Why I Dropped Jenkins for GitHub Actions & ArgoCD: A Complete GitOps Migration Guide
Ops Community
Ops Community
Dec 28, 2025 · Artificial Intelligence

Boost LLM Inference Speed: Build a High‑Concurrency vLLM Service with Best‑Practice Ops

This guide walks through the complete process of deploying a high‑throughput large language model inference service using vLLM, covering environment preparation, installation, configuration tuning, performance testing, real‑world case studies, monitoring, troubleshooting, and backup strategies for production‑grade deployments.

GPU optimizationHigh ConcurrencyLLM inference
0 likes · 44 min read
Boost LLM Inference Speed: Build a High‑Concurrency vLLM Service with Best‑Practice Ops
Ops Community
Ops Community
Dec 25, 2025 · Cloud Native

From DevOps Pain to Platform Engineering: An Internal Developer Platform Blueprint

This article walks you through the full journey of transforming a traditional DevOps workflow into a modern internal developer platform, covering the why, architecture, step‑by‑step migration phases, reusable templates, automation scripts, security hardening, monitoring, and best‑practice recommendations for scalable, self‑service cloud‑native development.

Cloud NativeInternal Developer PlatformPlatform Engineering
0 likes · 40 min read
From DevOps Pain to Platform Engineering: An Internal Developer Platform Blueprint
Ops Community
Ops Community
Dec 21, 2025 · Information Security

How to Investigate and Harden a Compromised Linux Server: Real-World Case Study

This guide walks through a real incident where a Linux server was hijacked by a mining virus, detailing step‑by‑step emergency response, systematic forensic investigation, cleanup procedures, and hardening measures to prevent future breaches, complete with scripts and best‑practice recommendations.

LinuxRootkitServer Hardening
0 likes · 26 min read
How to Investigate and Harden a Compromised Linux Server: Real-World Case Study
Ops Community
Ops Community
Dec 19, 2025 · Cloud Native

Why We Dropped Jenkins for Tekton & ArgoCD: A Complete Migration Blueprint

This guide explains the shortcomings of Jenkins, outlines the core GitOps principles, details the selection of Tekton, ArgoCD, Harbor, and Kyverno, and provides step‑by‑step configurations, pipelines, and best‑practice recommendations for a production‑grade migration to a cloud‑native CI/CD platform.

ArgoCDCI/CDGitOps
0 likes · 31 min read
Why We Dropped Jenkins for Tekton & ArgoCD: A Complete Migration Blueprint
Ops Community
Ops Community
Dec 16, 2025 · Operations

Mastering Chrony: Fast, Precise Time Sync for Distributed Systems

This guide explains why accurate time synchronization is critical for distributed infrastructures, introduces Chrony as a modern NTP replacement, and provides step‑by‑step preparation, configuration, deployment, monitoring, and troubleshooting procedures—including real‑world case studies and best‑practice recommendations.

LinuxNTPSystem Administration
0 likes · 24 min read
Mastering Chrony: Fast, Precise Time Sync for Distributed Systems