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

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Latest from Ops Community

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Ops Community
Ops Community
Apr 9, 2026 · Operations

Mastering Nginx Reverse Proxy: From Basics to Advanced Load Balancing and High Availability

This comprehensive guide explains the fundamentals of reverse proxy, walks through Nginx configuration, load‑balancing algorithms, health‑check setups, caching strategies, session‑persistence methods, high‑availability designs, performance tuning, monitoring, and troubleshooting, providing practical code snippets for real‑world deployments.

Health CheckLoad BalancingNginx
0 likes · 30 min read
Mastering Nginx Reverse Proxy: From Basics to Advanced Load Balancing and High Availability
Ops Community
Ops Community
Apr 8, 2026 · Operations

Recover Accidentally Deleted Linux Files: Kernel Secrets & Practical Tools

This article explains the kernel‑level mechanics of file deletion on Linux, compares hard and soft links, shows how processes keep deleted files open, and provides step‑by‑step guides for using extundelete, testdisk, photorec, debugfs, XFS tools, snapshot strategies, scripts and preventive measures to reliably restore lost data.

File RecoveryLinuxShell Scripts
0 likes · 29 min read
Recover Accidentally Deleted Linux Files: Kernel Secrets & Practical Tools
Ops Community
Ops Community
Apr 5, 2026 · Operations

Choosing the Right Ingress Controller: Nginx, Traefik, or Envoy?

This guide provides a deep technical comparison of Nginx Ingress Controller, Traefik, and Envoy Proxy, covering architecture, configuration, performance, feature sets, deployment patterns, security hardening, monitoring, and troubleshooting to help operators select the best solution for their Kubernetes clusters.

EnvoyIngressKubernetes
0 likes · 28 min read
Choosing the Right Ingress Controller: Nginx, Traefik, or Envoy?
Ops Community
Ops Community
Apr 2, 2026 · Operations

Build a Production‑Ready Prometheus + Grafana Monitoring Stack in Minutes

Learn how to quickly set up a complete, production‑grade monitoring system using Prometheus 3.x and Grafana 11, covering installation, service discovery, PromQL queries, recording rules, Alertmanager routing, Grafana dashboards, best‑practice configurations, and troubleshooting for environments of any size.

Grafanaalertingcloud-native
0 likes · 55 min read
Build a Production‑Ready Prometheus + Grafana Monitoring Stack in Minutes
Ops Community
Ops Community
Mar 31, 2026 · Operations

Mastering Ansible: From Core Concepts to Custom Modules and Plugins

Explore a comprehensive guide to advancing your Ansible skills, covering inventory formats, playbook structures, variable precedence, Jinja2 templating, custom lookup and callback plugins, dynamic inventory scripting, asynchronous execution, performance tuning with Mitogen, and enterprise‑grade platform design with AWX/Tower.

AnsibleAutomationConfiguration Management
0 likes · 34 min read
Mastering Ansible: From Core Concepts to Custom Modules and Plugins
Ops Community
Ops Community
Mar 29, 2026 · Operations

Why DNS Lookups Fail and How to Fix Them: A Complete Troubleshooting Guide

This guide explains the DNS resolution process, categorises common failure types, provides step‑by‑step troubleshooting procedures, essential commands, configuration examples for systemd‑resolved, BIND9, Unbound and CoreDNS, and offers best‑practice recommendations for reliable DNS operation in Linux and Kubernetes environments.

DNSKubernetesLinux
0 likes · 50 min read
Why DNS Lookups Fail and How to Fix Them: A Complete Troubleshooting Guide
Ops Community
Ops Community
Mar 27, 2026 · Backend Development

Master Nginx Reverse Proxy on Ubuntu 24.04 & Rocky Linux 9.4 – From Installation to Monitoring

This comprehensive guide walks you through installing Nginx 1.27 on Ubuntu 24.04 LTS and Rocky Linux 9.4, configuring reverse proxy, load balancing, SSL/TLS, WebSocket and gRPC support, tuning kernel and Nginx parameters, setting up health checks, high‑availability with Keepalived, and monitoring with Prometheus and Grafana, all with ready‑to‑use code snippets and scripts.

Load BalancingMonitoringNginx
0 likes · 59 min read
Master Nginx Reverse Proxy on Ubuntu 24.04 & Rocky Linux 9.4 – From Installation to Monitoring
Ops Community
Ops Community
Mar 14, 2026 · Operations

How to Diagnose, Clean, and Prevent Docker Log Disk Exhaustion

This guide walks you through identifying which Docker containers are consuming disk space, safely truncating oversized log files, configuring log drivers and rotation policies, setting up centralized logging, and automating cleanup to avoid future disk‑full incidents in production environments.

DevOpsDockerLinux
0 likes · 33 min read
How to Diagnose, Clean, and Prevent Docker Log Disk Exhaustion
Ops Community
Ops Community
Mar 13, 2026 · Backend Development

How to Diagnose and Fix Slow LLM Inference: A Full‑Stack Performance Guide

This article presents a comprehensive, step‑by‑step methodology for troubleshooting and optimizing large‑language‑model inference performance, covering GPU, CPU, memory, network, configuration, and application layers, with concrete benchmark scripts, diagnostic commands, and real‑world case studies.

CPUGPUInference
0 likes · 48 min read
How to Diagnose and Fix Slow LLM Inference: A Full‑Stack Performance Guide