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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

Jan 23, 2025 · Operations

Master Ansible: From Basics to Advanced Automation for Efficient DevOps

This guide walks you through Ansible fundamentals, installation, core concepts, sample playbooks, advanced modules like templates and handlers, dynamic inventory, and Ansible Tower, enabling you to automate configuration management and deploy complex environments such as LAMP stacks with confidence.

AnsibleConfiguration ManagementInfrastructure as Code

0 likes · 10 min read

Master Ansible: From Basics to Advanced Automation for Efficient DevOps

Full-Stack DevOps & Kubernetes

Jan 7, 2025 · Cloud Native

Build a Full Kubernetes DevOps Pipeline: From Containerization to Monitoring

This guide walks through a complete Kubernetes DevOps case study, detailing how to containerize micro‑services, create Docker images, write deployment and service manifests, set up a CI/CD pipeline with Jenkins or GitLab CI, integrate monitoring with Prometheus‑Grafana, manage logs via ELK/EFK, optionally add a service mesh, and perform fault‑injection testing for continuous optimization.

CI/CDIstiokubernetes

0 likes · 6 min read

Build a Full Kubernetes DevOps Pipeline: From Containerization to Monitoring

Full-Stack DevOps & Kubernetes

Jan 2, 2025 · Operations

Essential Linux Administration Tools for Troubleshooting and Monitoring

This guide compiles a comprehensive set of Linux command‑line utilities—including shell quoting rules, environment handling, text processing, process management, system monitoring, networking, and /proc filesystem exploration—to help sysadmins diagnose, locate, and resolve a wide range of system issues efficiently.

Linuxperformanceprocfs

0 likes · 17 min read

Essential Linux Administration Tools for Troubleshooting and Monitoring

Full-Stack DevOps & Kubernetes

Dec 26, 2024 · Cloud Native

How K3k Simplifies Lightweight Kubernetes Deployment for Local Development

K3k is a lightweight, experimental tool from Rancher that streamlines the installation and management of K3s clusters via a simple CLI and Helm‑deployed controller, enabling developers to quickly spin up, test, and tear down Kubernetes environments locally or in CI/CD pipelines.

K3kLocal Developmentkubernetes

0 likes · 8 min read

How K3k Simplifies Lightweight Kubernetes Deployment for Local Development

Full-Stack DevOps & Kubernetes

Dec 25, 2024 · Databases

How to Diagnose and Fix Intermittent Timeout & READONLY Errors in Redis Clusters

This guide explains why a production Redis cluster may show intermittent timeouts and READONLY errors, analyzes root causes such as network jitter, resource saturation, and costly commands, and provides step‑by‑step troubleshooting and configuration fixes to restore stability and performance.

DatabaseRediscluster

0 likes · 7 min read

How to Diagnose and Fix Intermittent Timeout & READONLY Errors in Redis Clusters

Full-Stack DevOps & Kubernetes

Dec 23, 2024 · Operations

Speed Up Docker Pulls with Free Registry Mirror URLs

This guide lists several free Docker registry mirror URLs, shows how to add them to the daemon.json file, and explains the steps to restart Docker so that image pulls are faster and more reliable.

ContainerDockerdaemon.json

0 likes · 3 min read

Speed Up Docker Pulls with Free Registry Mirror URLs

Full-Stack DevOps & Kubernetes

Dec 20, 2024 · Operations

20 Must‑Know Production Ops Issues and Quick Fixes

This guide presents twenty common production‑environment problems—from log analysis and database recovery to Kubernetes scheduling—detailing real‑world scenarios, step‑by‑step command solutions, and preventive measures that help engineers quickly diagnose, resolve, and avoid outages.

devopsmonitoringoperations

0 likes · 17 min read

20 Must‑Know Production Ops Issues and Quick Fixes

Full-Stack DevOps & Kubernetes

Dec 10, 2024 · Operations

Visualizing Ping with gping: Real‑Time Graphical Network Monitoring

This article introduces gping, a Rust‑based network diagnostic tool that extends the classic ping command with real‑time ASCII graphing, multi‑host support, customizable colors, and cross‑platform compatibility, and provides step‑by‑step installation and usage examples on Linux.

CLI toolNetwork Monitoringgping

0 likes · 6 min read

Visualizing Ping with gping: Real‑Time Graphical Network Monitoring

Full-Stack DevOps & Kubernetes

Dec 6, 2024 · Operations

Boost Kubernetes API Server Performance: Tuning max-mutating-requests-inflight & watch-cache-size

This guide explains how to optimize Kubernetes API Server performance by configuring the max-mutating-requests-inflight limit and watch-cache-size, offering recommended values for different cluster sizes, monitoring metrics, and step‑by‑step adjustment strategies for stable, high‑throughput clusters.

API ServerCluster Operationskubernetes

0 likes · 7 min read

Boost Kubernetes API Server Performance: Tuning max-mutating-requests-inflight & watch-cache-size

Full-Stack DevOps & Kubernetes

Nov 28, 2024 · Operations

20 Essential Linux & Kubernetes Troubleshooting Commands Every DevOps Engineer Should Know

This guide compiles the 20 most common Linux and Kubernetes troubleshooting commands, illustrating typical outputs and step‑by‑step diagnostic reasoning for high CPU load, disk pressure, network failures, pod crashes, node issues, service outages, database errors, and application performance problems.

DatabaseLinuxSystem Administration

0 likes · 15 min read

20 Essential Linux & Kubernetes Troubleshooting Commands Every DevOps Engineer Should Know