Tutorials
Nginx Reverse Proxy: Managing Multiple Docker Services on a Single VPS
A step-by-step guide on how I manage multiple Docker applications on a single VPS using Nginx reverse proxy, and the challenges I encountered.
Tutorials
280 posts
Step-by-step guides, practical examples and hands-on tutorials.
Tutorials
Docker Disk Storage Wars: A Guide to Data Integrity on VPS
I explain how I manage Docker disk space on my own VPS, ensure data integrity, and the problems I've encountered.
Tutorials
The Invisible Wars of Environment Variable Management: Hidden…
Discover why environment variable management is so critical, the common nightmares, and effective strategies to win these hidden wars. From application...
Tutorials
The Network's Blind Spot: Chasing MTU Mismatches
Discover the MTU mismatch behind mysterious issues affecting your network performance. In this detailed guide, learn what MTU is, how to diagnose problems, and…
Tutorials
BGP Neighbor Wars in Network Infrastructure: An Operational Nightmare
Learn what BGP neighbor wars are, why they emerge, and practical strategies to prevent this operational nightmare. Keep your network stable.
Tutorials
Resource Leaks in Serverless Compute: A Hidden Operational Nightmare
A deep look at the hidden impact of resource leaks in serverless (serverless) compute platforms on operational costs, and how to fight back…
Tutorials
The Load Balancer's Silent Betrayal: Misrouted Traffic
A deep look at how load balancer (Load Balancer) misconfigurations affect system performance and the issues that cause traffic to get misrouted.
Tutorials
The Cost of a Single Bad Decision in System Architecture
Learn the destructive effects of a single wrong decision in system architecture and how to avoid these mistakes.
Tutorials
Hidden Network Segmentation: An SRE's Security Battle
Hidden network segmentation is both a security necessity and an operational challenge for SREs. In this article, we dig deep into the topic from an SRE…
Tutorials
The Ephemeral Storage Trap in Cloud Infrastructure: An SRE…
Explore the risks of ephemeral storage in cloud platforms and the best practices to prevent data loss from an SRE perspective.
Tutorials
The Silent Decay of Cloud Firewall Rules: An Operational…
Learn how cloud firewall rules degrade over time and how that decay turns into an operational nightmare.
Tutorials
Hidden Dependency Hell in the CI/CD Pipeline: An Automation Nightmare
Learn the issues that hidden dependencies cause in your CI/CD pipelines, their types, detection strategies, and lasting solutions. End the automation…
Tutorials
The Fragility of the Distributed Database Shard Key
I unpack the critical role of the shard key in distributed databases, the risks it carries (hotspots, data skew), and the strategies to keep that fragility…
Tutorials
The Hidden Communication Crisis in Container Networks: CNI Wars
Explore the critical role of CNI in Kubernetes environments, the different CNI options, and the hidden crises around performance, security, and complexity…
Tutorials
The Anatomy of Unscalable Database Decisions in System Architecture
A deep look at the long-term effects of database choices in system architecture and the scalability traps they create. The cost of bad decisions and…
Tutorials
The Prometheus High Cardinality Crisis: A Silent Metric Invasion
A guide to understanding, detecting, and managing the high cardinality crisis in Prometheus. Optimize your metrics to keep system performance and costs under…
Tutorials
Hidden Kernel Panic Battles: System Betrayal in Production
A field guide to understanding, preventing, and recovering from kernel panics in production. How to keep your systems stable.
Tutorials
Spot Instance Optimization: A Hidden Cost Trap in Production
While Spot Instances offer cost savings in cloud computing, in production environments they can create hidden cost traps with unexpected interruptions. In…
Tutorials
Redis Sharding: The Hidden Wars in Production and Its Dark Side
Explore the complexity, challenges, and hidden production battles of Redis sharding. We shed light on the dark side of sharding.
Tutorials
Hunting Hidden Blackholes in Production Networks: An Anatomy of…
Find the invisible blackholes in your production network. Understand why traffic disappears, and walk through how to debug it step by step.
Tutorials
Hunting Poison Messages in Message Queues: The Silent Nightmare of…
Learn about the 'poison message' problem that arises in message queues and the strategies to deal with it. Protect the health of your production environment.
Tutorials
Split-Brain Scenarios in Production: Anatomy of a Battle
A detailed look at split-brain — one of the most critical issues in distributed systems — its causes, its impact, and the strategies for keeping it at bay.
Tutorials
Circuit Breaker Crisis in Production: The Fragility of Microservices
Misapplying or skipping the circuit breaker pattern in microservice architectures can cause serious crises in production environments. In this post…
Tutorials
Distributed Lock Deadlock in Production: The Silent Betrayal of…
Understanding the deadlocks that distributed lock mechanisms can cause in microservice architectures, and grasping this silent betrayal, is critically…