Last9

Blog

Stories, guides, and lessons from the world of observability

What is /var/log: Understanding Linux System Logs

What is /var/log: Understanding Linux System Logs

Learn what /var/log is, why it matters, and how understanding Linux system logs can help you troubleshoot and maintain systems more effectively.

Anjali Udasi
Anjali Udasi
Log Consolidation Made Easy for DevOps Teams

Log Consolidation Made Easy for DevOps Teams

Log consolidation simplifies managing and analyzing data for DevOps teams, improving efficiency and streamlining operations across systems.

Faiz Shaikh
Faiz Shaikh
APM Observability: A Practical Guide for DevOps and SREs

APM Observability: A Practical Guide for DevOps and SREs

A no-fluff guide to APM observability for DevOps and SREs—tools, tips, and what actually matters when keeping systems healthy.

Anjali Udasi
Anjali Udasi
Getting Started with Prometheus Metrics Endpoints

Getting Started with Prometheus Metrics Endpoints

Learn how to get started with Prometheus metrics endpoints to collect, expose, and query critical data for better system monitoring.

Anjali Udasi
Anjali Udasi
Troubleshooting LoggerFactory Logging Issues

Troubleshooting LoggerFactory Logging Issues

Running into LoggerFactory.getLogger errors in Java? Here’s how to fix common logging issues and get your logs flowing again—fast.

Preeti Dewani
Preeti Dewani
Database Monitoring Metrics: Each Stage Guide (2025)

Database Monitoring Metrics: Each Stage Guide (2025)

Not all database metrics are created equal. Learn which ones to track, why they matter, and how they help you stay ahead of performance issues.

Faiz Shaikh
Faiz Shaikh
Histogram Buckets in Prometheus Made Simple

Histogram Buckets in Prometheus Made Simple

Learn how Prometheus histogram buckets work, why they matter, and how to fine-tune them for better observability and smarter alerting.

Prathamesh Sonpatki
Prathamesh Sonpatki
How to Use OpenTelemetry with Postgres

How to Use OpenTelemetry with Postgres

Learn how to set up OpenTelemetry with Postgres to trace queries, monitor performance, and get better visibility into your database activity.

Prathamesh Sonpatki
Prathamesh Sonpatki
Logging and Monitoring: What’s the Real Difference?

Logging vs Monitoring: What’s the Real Difference?

Logging and monitoring work together, but they’re not the same. Here’s how they help you understand, fix, and improve your systems.

Anjali Udasi
Anjali Udasi