devops Archives - Page 6 of 47

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.

Security

Deploy HashiCorp Vault on Linux: Centralized Secrets and Automated Credential Rotation

October 3, 2026

Deploy HashiCorp Vault on Linux to eliminate secret sprawl. Learn how to install Vault, store encrypted secrets, and automate dynamic database credential rotation with short-lived leases.

Building a Custom MCP Server with Python: Standardize Tool and Data Integrations for Claude Desktop and AI Agents

October 3, 2026

Learn how to build a production-ready Python Model Context Protocol (MCP) server. Standardize tool calls, query incident telemetry, and integrate directly with Claude Desktop.

HomeLab

Securing Your HomeLab with CrowdSec on Docker: Collaborative Intrusion Prevention

October 2, 2026

Secure your self-hosted services by running CrowdSec in Docker. This step-by-step guide shows how to parse proxy logs, connect community threat feeds, and block attackers at the host firewall level.

DevOps

Deploying Trivy Operator on Kubernetes: Automated Vulnerability Scanning and CIS Compliance

October 2, 2026

CI/CD scanning cannot protect running pods when zero-day vulnerabilities emerge weeks after deployment. Learn how to install and configure Trivy Operator for continuous vulnerability scanning, configuration auditing, and automated CIS compliance.

DevOps

Event-Driven Autoscaling with KEDA on Kubernetes: Scale Pods on RabbitMQ, Kafka, and AWS SQS

October 2, 2026

Learn how to configure KEDA on Kubernetes to automatically scale worker Pods based on message queue depth in RabbitMQ, Apache Kafka, and AWS SQS. Complete with production-grade manifests and optimization tips.

Linux

Production ZFS on Linux: Build Resilient Pools, Tune Datasets, and Automate Snapshots and Scrubs

October 1, 2026

Learn how to deploy OpenZFS on Linux to eliminate silent bit rot. This practical guide covers creating 4K-aligned mirror pools, tuning dataset record sizes for MySQL and PostgreSQL, managing instant snapshots, and automating scrubs.

Programming

Abstract Syntax Tree (AST) in Python and TypeScript: Build Custom Linters and Code Transformers

September 30, 2026

Stop relying on fragile regex patterns in CI. Learn how to parse, transform, and generate code with Abstract Syntax Trees (AST) in Python and TypeScript to build custom linters and automated codemods.