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Latest from Ops Community

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Ops Community

Jun 11, 2026 · Cloud Native

etcd Operations Handbook: Backup, Restore, Scaling, and Performance Tuning for Kubernetes

This guide explains why mastering etcd is essential for Kubernetes stability and walks through its core concepts, Raft consensus, MVCC storage, deployment, backup and restore procedures, scaling from three to five nodes, performance optimization, monitoring, alerting, troubleshooting, upgrade strategies, security hardening, and real‑world best‑practice recommendations.

BackupScalingetcd

0 likes · 49 min read

etcd Operations Handbook: Backup, Restore, Scaling, and Performance Tuning for Kubernetes

Ops Community

Jun 8, 2026 · Databases

Comparing MySQL Backup Solutions: From Tool Mechanics to Production-Ready Engineering Guide

This article analyzes common MySQL backup pitfalls, explains the three backup dimensions and five types, compares major tools such as mysqldump, mysqlpump, mydumper, XtraBackup and cloud snapshots, and provides practical scripts, sizing recommendations, scheduling, monitoring, recovery procedures, and failure case studies for reliable production backup engineering.

BackupBinlogMySQL

0 likes · 52 min read

Comparing MySQL Backup Solutions: From Tool Mechanics to Production-Ready Engineering Guide

Ops Community

Jun 7, 2026 · Information Security

Practical Container Escape Detection and Defense Strategies

This article outlines a comprehensive, step‑by‑step approach to detecting and preventing container escape attacks, covering threat modeling, vulnerability classification, hardening layers, key open‑source tools, CI/CD integration, incident response, compliance checks, and ATT&CK matrix mapping for robust Kubernetes security.

attack detectioncis benchmarkcontainer security

0 likes · 43 min read

Practical Container Escape Detection and Defense Strategies

Ops Community

Jun 6, 2026 · Operations

Ansible Best Practices: From Playbooks to Roles

This hands‑on guide walks DevOps engineers through common pitfalls of raw Playbooks, then shows how to structure inventories, variables, templates, handlers, and roles, secure secrets with Vault, optimise performance, and integrate testing and CI/CD for production‑ready Ansible automation.

AnsibleCI/CDInfrastructure as Code

0 likes · 33 min read

Ansible Best Practices: From Playbooks to Roles

Ops Community

Jun 5, 2026 · Cloud Native

Practical Cloud‑Native Log Aggregation with Loki, Promtail & Grafana

This guide walks SREs and DevOps engineers through the challenges of log aggregation in containerized Kubernetes environments and shows how Loki, Promtail, and Grafana together provide a low‑cost, label‑based alternative to the ELK stack, covering architecture, deployment, query language, multi‑tenant security, performance tuning, alerting, and disaster recovery.

Cloud NativeLogQLLoki

0 likes · 36 min read

Practical Cloud‑Native Log Aggregation with Loki, Promtail & Grafana

Ops Community

Jun 3, 2026 · Operations

Full‑Stack Network Packet‑Loss Diagnosis: From ping to tcpdump

This comprehensive guide walks operations engineers through the full stack of network packet‑loss troubleshooting on Linux, covering symptom identification, layer‑by‑layer analysis, key metrics, step‑by‑step commands, common scenarios, advanced tuning techniques, monitoring alerts and FAQs.

LinuxPacket lossconntrack

0 likes · 35 min read

Full‑Stack Network Packet‑Loss Diagnosis: From ping to tcpdump

Ops Community

Jun 1, 2026 · Cloud Native

Prevent a Single Pod from Crashing Your Kubernetes Cluster with Resource Quota

This article explains why missing ResourceQuota and LimitRange cause cluster-wide failures, walks through core concepts, provides step‑by‑step commands for quota inspection, creation, and validation, shares a real‑world outage case study, and offers best‑practice recommendations, advanced configurations, monitoring, and rollback procedures for Kubernetes resource management.

ClusterOperationsLimitRangePodScheduling

0 likes · 40 min read

Prevent a Single Pod from Crashing Your Kubernetes Cluster with Resource Quota

Ops Community

May 31, 2026 · Operations

Master Batch Text Processing with awk and sed: A Practical Guide for Sysadmins

This article walks through the fundamentals and advanced techniques of using awk and sed on Linux for batch text manipulation, covering field handling, custom delimiters, BEGIN/END blocks, conditional filtering, arrays, built‑in functions, real‑world Nginx log analysis, script creation, performance tips, common pitfalls, debugging tricks, and how to combine both tools for powerful pipelines.

Linuxawklog analysis

0 likes · 45 min read

Master Batch Text Processing with awk and sed: A Practical Guide for Sysadmins

Ops Community

May 30, 2026 · Operations

Master Linux Disk Partitioning and Mounting: A Practical Step‑by‑Step Guide

This guide walks Linux operators through the fundamentals of disk partitioning, explains MBR and GPT partition tables, demonstrates the use of fdisk, parted and gdisk, shows how to create and format filesystems, configure mounting options and fstab, manage LVM volumes, and provides real‑world case studies with commands, examples, and best‑practice recommendations.

LVMLinuxdisk partitioning

0 likes · 35 min read

Master Linux Disk Partitioning and Mounting: A Practical Step‑by‑Step Guide

Ops Community

May 29, 2026 · Cloud Native

10 Common Pitfalls When Migrating Docker‑Compose to Kubernetes

This guide details the ten most frequent issues encountered when converting Docker‑Compose configurations to Kubernetes, explains why direct mappings often fail, and provides concrete examples, correct configurations, validation steps, and best‑practice recommendations to help teams avoid weeks of troubleshooting.

Best PracticesContainersDocker Compose

0 likes · 47 min read

10 Common Pitfalls When Migrating Docker‑Compose to Kubernetes