Diagnosing High Load Average and a Slow Linux Server
A structured method to find why a Linux server is slow: interpret load average, then isolate CPU, memory, disk and network bottlenecks.
Linux Servers & Hosting
Server Monitoring & Performance
Server Monitoring & Performance guides, comparisons and explainers from CRMServerBase.
What to Monitor on a Linux Server: The Metrics That Matter
A practical guide to the Linux server metrics worth monitoring and alerting on, from CPU and memory to disk, network and service health.
Log Rotation and Retention on Linux: Keeping Logs Useful Without Filling the Disk
How logrotate and the systemd journal work, how to set retention that fits your needs, and how to avoid the classic pitfalls that break log rotation.
Fixing Noisy Server Alerts: A Practical Guide to Reducing Alert Fatigue
Too many alerts means the real ones get ignored. Learn how to audit, tune and restructure server monitoring alerts so that every page is worth waking up for.