#troubleshooting
All articles tagged #troubleshooting — practical guides from production experience.
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68 posts tagged #troubleshooting · page 7 of 8
Linux Process States Explained: R, S, D, Z and What They Mean for Troubleshooting
A practical guide to Linux process states — R, S, D, Z, T — what each means, how to read them in ps and top, why D state can freeze a system, and how to handle zombie processes in production.
Linux Performance Troubleshooting: Complete Engineer's Guide
The complete guide to Linux performance troubleshooting — CPU, memory, disk I/O, process states, and network — with step-by-step workflows, real production scenarios, and links to deep-dive articles on every topic.
Linux Memory Leak Troubleshooting: RSS vs VSZ Explained
How to troubleshoot memory leaks on Linux — understanding RSS vs VSZ, tracking memory growth over time, identifying the leaking process, and real debugging steps from production systems.
Linux Log Analysis: How to Debug Issues Like a Senior Engineer
A practical Linux log analysis guide — journalctl usage, grep techniques, log correlation across services, and real-world debugging workflows used in production incident response.
Linux High CPU Usage: Step-by-Step Troubleshooting Guide
Step-by-step guide to diagnosing Linux high CPU usage — using ps, top, and htop to identify the culprit, distinguish user vs kernel vs I/O wait CPU, and resolve the issue in production.
Top Linux Debugging Tools Every Engineer Should Know
The essential Linux debugging tools for production troubleshooting — ps, top, htop, lsof, strace, iotop, vmstat, dmesg, and more — with real use cases and a comparison table.
htop vs top: Which Should You Use in Production?
htop vs top — a practical comparison for Linux engineers. When to use each, key differences in UI and usability, performance overhead, and real production scenarios where one beats the other.
How to Check Running Processes in Linux: Complete Guide
How to check running processes in Linux using ps, top, and htop — with filtering techniques, real troubleshooting workflows, and common mistakes engineers make when investigating process issues.
Check Open Ports in Linux: ss vs netstat Explained
How to check open ports in Linux using ss and netstat — with real troubleshooting scenarios, filtering techniques, and a clear comparison of when to use each tool.