Administration

Linux administration guides for performance triage, diagnostics, benchmarking, and practical field tooling.

Find troubleshooting playbooks, diagnostic tooling, and small operational helpers for Linux systems.

Common tasks

  • Identify whether a problem is CPU, memory, I/O, or network bound
  • Generate repeatable load to validate hardware or reproduce issues
  • Turn raw support bundles into faster, more readable diagnostic reports

Linux Boot/Shutdown Quick-Analyzer

Parse Linux boot and shutdown events from system and serial console logs.

How Antivirus Software Can Prevent Linux Boot: Troubleshooting Guide

Learn how antivirus software can interfere with Linux system boot, including readonly filesystem problems, LSM conflicts, and CrowdStrike Falcon Sensor troubleshooting.

How to Troubleshoot Linux Performance — Field Playbook

Learn how to troubleshoot Linux performance issues with a practical field playbook for live triage, intermittent problems, vmstat, iostat, pidstat, sar, and more.

Understanding IO Delays in Linux - Performance Testing with io-delayer

A deep dive into Linux IO performance degradation using kernel modules to simulate VFS and block device delays, with engineering analysis of path resolution and queue congestion impacts.

How to Analyze Linux sosreport and supportconfig with SOSParser

Learn how to analyze Linux sosreport and supportconfig files with SOSParser to generate structured, searchable diagnostic reports.

How to Benchmark Linux with Tux Toaster

Learn how to benchmark and stress test Linux CPU, memory, disk, and network performance with Tux Toaster.