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MaGe Linux Operations

Founded in 2009, MaGe Education is a top Chinese high‑end IT training brand. Its graduates earn 12K+ RMB salaries, and the school has trained tens of thousands of students. It offers high‑pay courses in Linux cloud operations, Python full‑stack, automation, data analysis, AI, and Go high‑concurrency architecture. Thanks to quality courses and a solid reputation, it has talent partnerships with numerous internet firms.

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Latest from MaGe Linux Operations

100 recent articles max

MaGe Linux Operations

Mar 16, 2026 · Operations

Kubernetes Pod Troubleshooting Guide: Diagnose CrashLoopBackOff, OOMKilled & More

A comprehensive, step‑by‑step guide for SREs and DevOps engineers to diagnose and resolve common Kubernetes pod issues—including CrashLoopBackOff, OOMKilled, ImagePullBackOff, Pending, Evicted, and Terminating—by leveraging pod lifecycle knowledge, kubectl commands, logs, events, node inspection, scripts, real‑world case studies, and monitoring best practices.

DevOpsKubernetesSRE

0 likes · 55 min read

Kubernetes Pod Troubleshooting Guide: Diagnose CrashLoopBackOff, OOMKilled & More

MaGe Linux Operations

Mar 14, 2026 · Operations

10 Must‑Know Ops Pitfalls and How to Avoid Them

This guide reveals the ten most common operations mishaps—from accidental rm‑rf deletions to firewall rule errors—explains real‑world case studies, provides step‑by‑step remediation commands, and offers preventive best‑practice checklists, scripts, and monitoring setups to keep your production environment safe.

DevOpsLinuxMonitoring

0 likes · 56 min read

10 Must‑Know Ops Pitfalls and How to Avoid Them

MaGe Linux Operations

Mar 14, 2026 · Operations

Mastering NFS: A Complete Guide to Setup, Troubleshooting, and Performance Optimization

This comprehensive guide explains NFS fundamentals, version differences, mounting procedures, common failure categories, core concepts like RPC and file handles, environment requirements, step‑by‑step installation and configuration, performance tuning parameters, real‑world case studies, monitoring, backup, and best‑practice recommendations for reliable NFS deployments.

LinuxNFSNetwork File System

0 likes · 49 min read

Mastering NFS: A Complete Guide to Setup, Troubleshooting, and Performance Optimization

MaGe Linux Operations

Mar 12, 2026 · Backend Development

How to Deploy vLLM Inference Service on Kubernetes with Ingress and Service Load Balancing

This guide walks through deploying a production‑grade vLLM inference service on Kubernetes, covering GPU resource scheduling, Service and Ingress configuration, session affinity, health checks, performance tuning, scaling, monitoring, fault‑tolerance, and best‑practice recommendations for high‑availability AI workloads.

GPUHigh AvailabilityKubernetes

0 likes · 47 min read

How to Deploy vLLM Inference Service on Kubernetes with Ingress and Service Load Balancing

MaGe Linux Operations

Mar 11, 2026 · Information Security

How to Harden Linux Servers: A Step‑by‑Step Guide to Secure SSH, Accounts, Firewalls, and Auditing

This comprehensive guide walks you through Linux host hardening by explaining the security baseline, detailing default configurations, highlighting common pitfalls, and providing concrete, verifiable adjustments for account policies, SSH, firewalls, kernel parameters, file permissions, and audit logging, complete with scripts, examples, and real‑world case studies.

AuditdHardeningLinux

0 likes · 40 min read

How to Harden Linux Servers: A Step‑by‑Step Guide to Secure SSH, Accounts, Firewalls, and Auditing

MaGe Linux Operations

Mar 10, 2026 · Operations

How to Diagnose and Fix Memory Leaks in a Containerized Image Thumbnail Service

This guide walks through a systematic, step‑by‑step process for identifying, analyzing, and resolving memory‑related incidents in a high‑traffic thumbnail generation service running in Kubernetes, covering everything from initial symptom checks with free and vmstat to deep dives using smem, pmap, smaps, perf, and post‑mortem verification.

Memory Leakperfsmem

0 likes · 30 min read

How to Diagnose and Fix Memory Leaks in a Containerized Image Thumbnail Service

MaGe Linux Operations

Mar 10, 2026 · Artificial Intelligence

Why Your LLM Service Hits CUDA OOM and How to Diagnose GPU Memory Issues

This guide explains the five common sources of GPU memory consumption in large‑model inference services, provides a step‑by‑step diagnosis workflow—from static usage and KV‑Cache analysis to concurrency and K8s scheduling—offers concrete command‑line checks, scripts, configuration examples, and actionable remediation and monitoring recommendations.

GPU memoryKV cacheLLM OOM

0 likes · 28 min read

Why Your LLM Service Hits CUDA OOM and How to Diagnose GPU Memory Issues

MaGe Linux Operations

Mar 9, 2026 · Databases

How to Diagnose and Fix MySQL Replication Lag in Production

This guide explains why MySQL replication lag spikes, how to distinguish IO‑thread pull problems from SQL‑thread apply bottlenecks, provides step‑by‑step commands, configuration examples, real‑world case studies, best‑practice recommendations, and monitoring setups to reliably troubleshoot and prevent replication delays.

DatabaseMySQLReplication

0 likes · 16 min read

How to Diagnose and Fix MySQL Replication Lag in Production

MaGe Linux Operations

Mar 5, 2026 · Operations

Master DNS Operations: Deploy BIND & CoreDNS with Real‑World Troubleshooting

This guide walks you through DNS fundamentals, compares BIND, CoreDNS, PowerDNS and Unbound, provides step‑by‑step installation and configuration scripts for BIND 9 and CoreDNS on Linux and Kubernetes, explains caching, DNSSEC, security hardening, high‑availability designs, monitoring, backup and recovery, and shares best‑practice tips for production environments.

BINDCoreDNSDNS

0 likes · 44 min read

Master DNS Operations: Deploy BIND & CoreDNS with Real‑World Troubleshooting

MaGe Linux Operations

Mar 4, 2026 · Information Security

Master Linux Intrusion Detection & Incident Response: A Practical Hands‑On Guide

This comprehensive guide walks you through building a layered Linux intrusion detection system, configuring host‑based tools such as AIDE, rkhunter, and auditd, automating security audits, performing forensic investigations, and executing a six‑step incident response workflow to detect, contain, and remediate attacks effectively.

AIDEAuditdForensics

0 likes · 59 min read

Master Linux Intrusion Detection & Incident Response: A Practical Hands‑On Guide