devops Archives - Page 5 of 47

MySQL Hot Backup with Percona XtraBackup: Automated Full and Incremental Backups for Production

October 4, 2026

Logical backups with mysqldump often cause severe latency and multi-hour restore delays on large datasets. Learn how to implement zero-downtime physical hot backups for MySQL using Percona XtraBackup, complete with automated full and incremental schedules.

Security

MongoDB Production Security: Hardening Clusters with SCRAM, RBAC, and TLS Encryption

October 4, 2026

Default MongoDB setups leave your data exposed. This guide shows you how to lock down production clusters using SCRAM-SHA-256, strict RBAC roles, and TLS encryption.

DevOps

Integrating Infracost into CI/CD: Cloud Cost Estimation for Terraform

October 4, 2026

Learn how to integrate Infracost into your CI/CD pipeline to estimate and control cloud infrastructure costs directly within Terraform pull requests before applying changes.

HomeLab

Deploying Syncthing on Docker: Decentralized P2P File Sync for HomeLab

October 4, 2026

Learn how to build a resilient, decentralized peer-to-peer file synchronization engine across your HomeLab devices using Docker and Syncthing.

DevOps

Kubernetes Policy as Code with Kyverno: A Hands-On Guide Without Rego

October 4, 2026

Learn how Kyverno simplifies Kubernetes Policy as Code without Rego DSL. Discover production-tested patterns to validate, mutate, and generate k8s resources with pure YAML.

Networking

Deploying Layer 7 Real-Time Network Traffic Analysis with ntopng and DPI on Linux

October 4, 2026

Deploy ntopng and nDPI on Linux for real-time Layer 7 network visibility. This guide covers architecture design, Redis backend setup, promiscuous interface tuning, and practical troubleshooting workflows.

Database

Automated Database Schema Migration with Flyway: PostgreSQL, MySQL, and CI/CD Setup

October 3, 2026

Managing schema changes across 14 microservices and two database engines used to trigger bi-weekly deployment panics. Here is how we rolled out Flyway across PostgreSQL and MySQL clusters to make schema updates fully automated and deterministic.

Linux

Managing Resource Limits with Cgroups v2 and Systemd Slices on Linux

October 3, 2026

Learn how to partition and protect Linux server resources using modern Cgroups v2 and systemd slices. Control CPU bandwidth, memory ceilings, and disk I/O per service to eliminate noisy neighbors.

Linux

Mastering Linux Security Auditing with Auditd: Rules, File Monitoring, and Log Analysis

October 3, 2026

Secure your Linux infrastructure using Auditd. This step-by-step guide explains writing persistent kernel rules, tracking file tampering, and analyzing logs with ausearch and aureport.

Networking

High Availability Virtual IP with Keepalived and VRRP on Linux: A 6-Month Production Review

October 3, 2026

A single gateway crash can bring down an entire stack. Here is a 6-month production review of implementing High Availability Virtual IP using Keepalived and VRRP on Linux, featuring real metrics, configurations, and post-mortem lessons.