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Full-Stack DevOps & Kubernetes

Focused on sharing DevOps, Kubernetes, Linux, Docker, Istio, microservices, Spring Cloud, Python, Go, databases, Nginx, Tomcat, cloud computing, and related technologies.

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Latest from Full-Stack DevOps & Kubernetes

100 recent articles max

Full-Stack DevOps & Kubernetes

Dec 9, 2025 · Information Security

How to Tame Kubernetes Security: From Roles to Token Risks

This article explains why Kubernetes security feels like navigating in the dark, breaks down the platform’s core resources, outlines common attack vectors such as container escape and token abuse, compares managed versus self‑hosted clusters, and presents a real‑world EKS attack case with practical mitigation insights.

Cloud NativeKubernetesServiceAccount

0 likes · 11 min read

How to Tame Kubernetes Security: From Roles to Token Risks

Full-Stack DevOps & Kubernetes

Nov 18, 2025 · Operations

How to Stop Brute‑Force Logins with Nginx Rate Limiting

Learn how to protect your web application from brute‑force login attacks by configuring Nginx rate limiting, with step‑by‑step instructions, example configurations, testing methods, custom error pages, and best‑practice tips such as IP whitelisting, HTTPS enforcement, and complementary security measures.

Brute-force protectionRate Limitingnginx

0 likes · 8 min read

How to Stop Brute‑Force Logins with Nginx Rate Limiting

Full-Stack DevOps & Kubernetes

Nov 16, 2025 · Operations

How to Quickly Identify and Fix High CPU Usage on Linux Servers

This guide explains the difference between CPU utilization and load average, walks through essential commands like top, sar, iostat, vmstat, uptime, and ps to pinpoint resource hogs, and offers practical steps to resolve high CPU consumption on Linux systems.

CPULinuxPerformance

0 likes · 8 min read

How to Quickly Identify and Fix High CPU Usage on Linux Servers

Full-Stack DevOps & Kubernetes

Nov 11, 2025 · Cloud Native

15 Real‑World Docker Use Cases Every Engineer Should Know

This article explains what Docker is and walks through fifteen practical scenarios—from modernizing monolithic apps and accelerating CI/CD pipelines to enabling multi‑tenant isolation and reducing infrastructure costs—showing how containerization transforms development, deployment, and operations.

ci/cd

0 likes · 11 min read

15 Real‑World Docker Use Cases Every Engineer Should Know

Full-Stack DevOps & Kubernetes

Oct 30, 2025 · Cloud Native

15 Real-World Kubernetes Use Cases You Need to Know

Explore the 15 most impactful Kubernetes scenarios—from microservices and auto‑scaling to multi‑cloud deployments, AI workloads, edge computing, and compliance—detailing how they boost reliability, efficiency, and cost‑effectiveness, while also highlighting situations where Kubernetes may not be the right choice.

AI WorkloadsAuto ScalingKubernetes

0 likes · 11 min read

15 Real-World Kubernetes Use Cases You Need to Know

Full-Stack DevOps & Kubernetes

Oct 10, 2025 · Cloud Native

How a Misconfigured Liveness Probe Crashed a Service – Lessons & Fixes

An overnight outage at a financial firm, caused by a misconfigured Kubernetes liveness probe that returned 200 before the app was ready, led to massive losses; the article explains the difference between liveness and readiness probes, proper configuration examples, real‑world scenarios, troubleshooting steps, and best‑practice recommendations to avoid similar failures.

KubernetesLiveness ProbeReadiness Probe

0 likes · 8 min read

How a Misconfigured Liveness Probe Crashed a Service – Lessons & Fixes

Full-Stack DevOps & Kubernetes

Aug 26, 2025 · Cloud Native

Mastering Kubernetes Resource Quotas and Pod Limits to Prevent Cluster Overload

This guide explains why resource limits are essential in Kubernetes, how to configure Namespace‑level ResourceQuota and Pod‑level Requests/Limits, and provides a practical case study with YAML examples to prevent a single service from exhausting cluster CPU and memory.

ClusterManagementKubernetesPodLimits

0 likes · 6 min read

Mastering Kubernetes Resource Quotas and Pod Limits to Prevent Cluster Overload

Full-Stack DevOps & Kubernetes

Aug 21, 2025 · Cloud Native

Avoid Million‑Dollar Outages: Master Kubernetes Liveness & Readiness Probes

A financial services outage caused by misconfigured Kubernetes liveness and readiness probes illustrates how misunderstanding these health checks can trigger costly restart loops, while this guide explains their core differences, proper configuration, advanced strategies, common pitfalls, and monitoring techniques to ensure stable, resilient services.

KubernetesLiveness ProbeReadiness Probe

0 likes · 9 min read

Avoid Million‑Dollar Outages: Master Kubernetes Liveness & Readiness Probes

Full-Stack DevOps & Kubernetes

Aug 19, 2025 · Operations

Boost Linux Server Performance: Proven Optimization Techniques for CPU, Memory, Disk, and Network

Learn how to dramatically improve Linux server efficiency by addressing common resource bottlenecks with modern CPU scheduling, memory management, I/O scheduler selection, network tuning, and practical diagnostic tools, while also exploring emerging AI‑assisted optimization trends for future‑proof performance.

I/O TuningLinuxMemory Management

0 likes · 7 min read

Boost Linux Server Performance: Proven Optimization Techniques for CPU, Memory, Disk, and Network

Full-Stack DevOps & Kubernetes

Jul 22, 2025 · Operations

How to Build Small, Secure Docker Images with Multi‑Stage Builds and Trivy

This article explains why Docker images bloat, then demonstrates using multi‑stage builds, Alpine base images, and Trivy vulnerability scanning—plus CI/CD integration—to produce lightweight, secure containers and streamline DevSecOps workflows.

AlpineContainer SecurityDocker

0 likes · 7 min read

How to Build Small, Secure Docker Images with Multi‑Stage Builds and Trivy