Last9

Blog

Stories, guides, and lessons from the world of observability

Grafana Tempo vs Jaeger: Key Features, Differences, and When to Use Each

Grafana Tempo vs Jaeger: Key Features, Differences, and When to Use Each

Grafana Tempo vs Jaeger: Understand how they differ in storage, querying, and setup—so you can choose the right tracing tool for your stack.

Anjali Udasi
Anjali Udasi
Top 11 Application Logging Tools for DevOps Engineers in 2025

Top 11 Application Logging Tools for DevOps Engineers in 2025

Explore the top 11 logging tools of 2025—compare features, use cases, and pricing to find the perfect fit for your DevOps observability stack.

Faiz Shaikh
Faiz Shaikh
Monitoring Node.js: Key Metrics You Should Track

Monitoring Node.js: Key Metrics You Should Track

Understand which metrics matter in Node.js applications, why they’re important, and how to track them effectively in production.

Faiz Shaikh
Faiz Shaikh
How to Handle Logging in Microservices Architectures

How to Handle Logging in Microservices Architectures

Learn how to manage logging in microservices—from common challenges to tools and practices that actually help in real-world systems.

Anjali Udasi
Anjali Udasi
JVM Metrics: A Complete Guide for Performance Monitoring

JVM Metrics: A Complete Guide for Performance Monitoring

Learn which JVM metrics matter, how to track them, and use that data to troubleshoot and improve Java application performance.

Faiz Shaikh
Faiz Shaikh
Linux Security Logs: Complete Guide for DevOps and SysAdmins

Linux Security Logs: Complete Guide for DevOps and SysAdmins

A practical guide to understanding, finding, and using Linux security logs — built for DevOps, SysAdmins, and anyone managing production systems.

Anjali Udasi
Anjali Udasi
Ubuntu Cron Logs: A Complete Guide for Engineers

Ubuntu Cron Logs: A Complete Guide for Engineers

A practical guide to Ubuntu cron logs—where to find them, how to read them, and how to set up logging that actually helps during failures.

Faiz Shaikh
Faiz Shaikh
Angular OpenTelemetry Setup and Troubleshooting

Angular OpenTelemetry Setup and Troubleshooting

Learn how to set up OpenTelemetry in your Angular app and troubleshoot common issues with tracing, instrumentation, and export configuration.

Prathamesh Sonpatki
Prathamesh Sonpatki
Solr Key Metrics: The Essential Guide for DevOps & SREs

Solr Key Metrics: The Essential Guide for DevOps & SREs

Track what matters in Solr. This guide covers key Solr metrics every DevOps and SRE team should monitor to keep search performance sharp.

Faiz Shaikh
Faiz Shaikh