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Stories, guides, and lessons from the world of observability
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Nginx Error Logs: Troubleshooting and Security Guide
Learn how to analyze Nginx error logs to troubleshoot issues, detect security threats, and improve performance with practical strategies.
EC2 Monitoring: A Practical Guide for AWS Engineers
Learn how to monitor EC2 instances effectively, reduce costs, and prevent outages with practical insights for AWS engineers.
How to Use journalctl --last to Check Recent System Logs
Use journalctl --last to quickly view recent system logs and troubleshoot issues by checking what happened just before an error or crash.
What is OOM? A Guide to Out of Memory Issues
If your app crashes with an OOM error, it’s running out of memory. Here’s why it happens and how to fix it—no deep technical knowledge needed.
Fixing the "java.lang.OutOfMemoryError: Java heap space" Error
Struggling with "java.lang.OutOfMemoryError: Java heap space"? Learn why it happens and how to fix it with practical solutions.
CloudFront on AWS: Basics & Setup Guide
Learn how AWS CloudFront speeds up content delivery, reduces latency, and improves performance. A quick guide to setup and basics.
OpenTelemetry vs. Datadog: Key Differences Explained
Comparing OpenTelemetry and Datadog? Explore their differences in monitoring, logging, and observability to find the right fit for your needs.
Prometheus Functions: How to Make the Most of Your Metrics
Dig into your Prometheus metrics with functions that help you filter, analyze, and spot trends—so you can make sense of your data faster.
9 Powerful Zabbix Alternatives You Shouldn’t Ignore
Looking for a Zabbix alternative? Explore 9 powerful monitoring tools that offer better scalability, flexibility, and ease of use.