Troubleshooting

Sudden latency spikes rarely have a single cause. This blog shows how to uncover the real source using traces, histograms, and modern debugging signals.

Understand how to configure Docker’s /dev/shm size to avoid memory errors in Chrome, PostgreSQL, and other high-memory workloads.

Learn where Linux stores logs, what each file does, and how to use them for debugging, monitoring, and keeping your systems in check.

Understand auditd logs as a way to track important actions on your Linux system, helping you spot security issues and keep things running smoothly.

Windows error logs hold clues to what’s going wrong. Learn how to read them and make debugging faster and less frustrating.

Forgot your Grafana password or locked out? Know common login issues and simple fixes to get you back into your dashboards fast.

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

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.

Discover the most effective Node.js logging libraries, their implementation patterns, and how to choose the right one for your specific project needs.

Learn how to monitor and optimize disk I/O performance on Linux with this comprehensive guide to better manage system resources.

A complete guide to Ubuntu's /var/log/messages—your go-to log file for system events, errors, and troubleshooting insights.

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

A practical guide to writing better regex—cleaner, faster patterns that won’t trip up your logs, scripts, or search tools.

Learn how to use Logstash Grok with simple examples. Match and parse logs easily using patterns that are easy to understand.

A hands-on guide to setting up and managing Java Util Logging—built for DevOps and SREs who need clarity, not more config headaches.

A practical Unix commands cheat sheet for DevOps engineers — no fluff, just the essentials you’ll use in day-to-day operations.

When Java apps slow down, GC logs often hold the clues. This guide helps you read and debug them fast—no jargon, just what you need.

Learn what API latency really means, how to measure it the right way, and practical ways to make your APIs respond faster.

A practical guide to monitoring performance on Ubuntu—tools, tips, and commands to keep your system running efficiently.

A Redis monitor helps track performance, spot memory issues, and prevent unexpected failures—ensuring stability before problems escalate.

Having trouble with Java logs? Here are some simple troubleshooting tips and best practices to keep your logs clear and helpful.

If logging in Python feels like a chore, Loguru is the cheat code you need—zero boilerplate, rich features, and pure simplicity!

Ensure your containers are truly ready, not just running. This guide covers Docker Compose health checks and how to use them effectively.

Lost in Linux event logs? This guide helps you decode, filter, and troubleshoot issues like a pro—no more staring at endless logs in despair!

Learn how to use systemctl to start, stop, and manage services on Linux. From basics to advanced tips, this guide covers it all.

Learn how to use PHP error logs to quickly identify and fix issues in your application, turning troubleshooting into a structured process.

Auto instrumentation simplifies telemetry by capturing traces, metrics, and logs without code changes. Here’s how it works and why it matters.

Learn simple, practical strategies to fix Kafka consumer lag and keep your data pipeline running smoothly without the jargon.

Learn how to retrieve all keys in Redis efficiently. Explore key commands, performance tips, and best practices to avoid slowing down your database.

Learn how Redis pipeline can boost performance by batching commands, reducing network overhead, and improving throughput with minimal code changes.

Quickly diagnose and resolve system issues with this journalctl cheat sheet—essential commands for filtering, viewing, and analyzing logs.

Thinking of using ZFS on Ubuntu? This guide breaks it down—setup, snapshots, RAID, and tips to keep your storage fast and reliable.

Set up Python exception logging the right way—capture errors, add context, and integrate with monitoring tools for better debugging.

Use journalctl --last to quickly view recent system logs and troubleshoot issues by checking what happened just before an error or crash.

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.

Struggling with the dreaded java.lang.OutOfMemoryError? Learn the common causes and how to fix them with our step-by-step guide, including practical code examples and long-term solutions.

Speed up your workflow with this Linux commands cheat sheet—practical, easy to follow, and packed with real-world use cases.

Learn how to use the Elasticsearch Reindex API for efficient data migration, restructuring, and management in your search and analytics workflows.

Speed up your Node.js application with Pino, the fastest JSON logger available. Our guide covers setup, best practices, and advanced usage to optimize your logging performance

Learn how the Linux OOM Killer manages memory pressure, terminates processes, and ensures system stability when memory runs low.

Learn how to read, customize, and optimize HAProxy logs to gain valuable insights and improve performance with our ultimate guide.

DynamoDB throttling occurs when requests exceed table capacity. Learn how to identify, prevent, and resolve throttling issues effectively.

Learn key log retention best practices, tackle challenges, and adopt effective strategies to optimize storage, compliance, and performance.

Get clear answers to common log-level questions, from choosing the right level to mapping logs to Syslog.

Explore heaps in Java with this comprehensive guide, covering core operations, memory management, and essential concepts for developers.

Learn how to monitor error logs in real-time using various tools and techniques to enhance system stability and troubleshoot issues effectively.

Learn how to configure SSHD logs, enhance security, and troubleshoot SSH connection issues with useful tips for effective log management.

Know more about logfiles, what they reveal, and how to use them for better system performance, security, and troubleshooting.

Learn how to spot and fix Java memory leaks with practical tips, tools, and strategies to keep your application running smoothly.

Learn about the 5 common incident severity levels and how they impact your response to system issues, ensuring faster resolutions.