Operations | Monitoring | ITSM | DevOps | Cloud

If you're running workloads in AWS, you've probably heard about VPC Flow Logs. These logs are your eyes and ears for network traffic in your Virtual Private Cloud, and knowing how to check them properly can save you hours of troubleshooting headaches. Whether you're tracking down connectivity issues or monitoring for suspicious activity, this guide will walk you through checking VPC flow logs step by step, with practical examples you can apply today.

Choosing between Envoy and HAProxy isn't just about picking a proxy server. It's about deciding which tool will handle your traffic, balance your loads, and keep your services running when everything else wants to crash. If you're a DevOps engineer or system admin weighing these options, you're in the right place.

When a Java application starts slowing down, garbage collection is often a good place to look. For engineers responsible for keeping systems stable and responsive, understanding GC logs can make a real difference. This guide walks through the basics—what to look for, what the logs mean, and how to troubleshoot common issues—so you can get ahead of problems before they impact performance.

If you work in DevOps and spend time in the terminal, knowing Unix commands isn’t optional. It’s part of the job. Whether you're managing servers, setting up deployments, or fixing something that just broke in production, these commands help you move faster and work smarter. This cheat sheet keeps things simple. No filler. Just the commands you’ll use when you’re in the middle of real work.

Docker containers have become essential tools in modern development workflows. While most DevOps engineers are familiar with starting, stopping, and removing containers, the "pause docker container" functionality often flies under the radar. Yet, this feature can be incredibly useful in various scenarios, from testing to resource management.

Log shippers are essential components in modern infrastructure, serving as the critical connection between the systems that generate logs and the platforms that store and analyze them. They operate behind the scenes to ensure that important system and application information reaches its destination reliably. This guide provides a comprehensive overview of log shippers, including their functionality, implementation considerations, and selection criteria for different environments.

When your Ubuntu system slows down, finding the root cause quickly is essential. This comprehensive guide covers everything from basic monitoring tools to advanced techniques for both beginners and system administrators.

When applications experience performance issues, API latency is often a primary factor. For DevOps engineers, a clear understanding of API latency is essential for both resolving current performance problems and establishing preventative measures. This guide examines API latency from a technical perspective, covering its definition, measurement methodologies, and practical optimization techniques.

Your containers are running, nd your clusters seem fine, but then you get that dreaded alert – memory pressure. Whether you're scaling up your infrastructure or just trying to keep things running smoothly, understanding pod memory usage isn't just nice to have – it's essential knowledge for any DevOps engineer worth their salt. Let's cut through the noise and get straight to what matters: practical ways to track, analyze, and fix memory issues in your Kubernetes pods.

This guide covers container port configurations in Kubernetes, explaining key concepts and practical setups. If you're setting up ports for the first time or troubleshooting connectivity issues, you'll find clear explanations and useful examples to help you navigate container networking effectively.