devops Archives - Page 3 of 34

Managing Kubernetes Cluster Lifecycle Across Environments with Cluster API (CAPI)

July 6, 2026

Cluster API (CAPI) lets you manage the full lifecycle of Kubernetes clusters — creation, upgrades, and deletion — using declarative YAML and GitOps workflows across AWS, GCP, and bare-metal. This guide walks a junior DevOps engineer through setting up a management cluster, provisioning workload clusters, and performing rolling version upgrades without manual SSH or cloud console access.

DevOps

Automating Code Quality: How Pre-commit Hooks Stop Leaks and Messy Commits

July 5, 2026

Stop wasting CI/CD minutes on syntax errors. Learn how to use pre-commit hooks to automate formatting, linting, and secret detection directly on your local machine.

Linux

Stop Using Sudo for Everything: A Guide to systemd User Units and Lingering

July 5, 2026

Ditch sudo for your background tasks. Learn how to set up systemd user units and enable lingering to keep services running securely and persistently without root access.

HomeLab

Stop Fighting the CLI: Why Dockge is the Best Docker Compose Manager for Your HomeLab

July 1, 2026

Is Portainer too heavy for your HomeLab? Discover Dockge, a lightweight and file-based Docker Compose manager that keeps your YAML files accessible and your UI lightning fast.

Networking

High-Speed Packet Processing with DPDK on Linux: Installation and Building Your First Network App

June 29, 2026

DPDK bypasses the Linux kernel network stack entirely, letting userspace applications process packets at line rate using poll mode drivers. This guide covers installation, hugepage configuration, NIC binding, building the l2fwd example, and production tuning tips for CPU isolation and NUMA awareness.

Linux

Linux Disk Partition Management with parted, gdisk, and fdisk: GPT/MBR Guide

June 29, 2026

Compare fdisk, gdisk, and parted for Linux disk partitioning — learn when to use each tool, how to create and resize GPT/MBR partitions, and how to recover from a corrupted partition table with practical commands.

Database

pg_cron: Schedule PostgreSQL Tasks Inside the Database Without OS Cron

June 28, 2026

pg_cron is a PostgreSQL extension that schedules SQL jobs — VACUUM, data archiving, threshold notifications — directly inside the database as a background worker. No external cron, no credential sprawl, no silent failures. This guide covers installation, three real-world use cases, and the practices that keep pg_cron solid in production.

Linux

Mount Remote Storage as Local Drives: A Guide to FUSE and SSHFS on Linux

June 28, 2026

Learn how to use FUSE and SSHFS to mount remote directories and cloud storage as local drives on Linux. This guide covers installation, performance tuning, and how to manage mounts without root access.

Database

Self-Hosting Apache Superset with Docker: Stop Exporting CSVs and Start Visualizing

June 25, 2026

Ditch expensive BI tools and manual SQL exports. This guide shows you how to deploy Apache Superset on Docker, connect your databases, and optimize performance for a professional dashboard experience.