devops Archives - Page 3 of 47

Build a Secure Code Sandbox for AI Agents with E2B and Python

October 10, 2026

Running AI-generated code directly on production servers is a recipe for middle-of-the-night cluster outages. Learn how to isolate execution using E2B MicroVMs and Python to keep your infrastructure safe from runaway processes.

HomeLab

Deploy Authentik on Docker: Build Centralized SSO, 2FA, and OIDC for Your HomeLab

October 9, 2026

Tackle password sprawl in your homelab. Deploy Authentik on Docker to centralize authentication with Single Sign-On (SSO), WebAuthn 2FA, and OIDC integrations.

Linux

Managing Linux Kernel Modules with DKMS and modprobe: Automatic Driver Rebuilds

October 9, 2026

Upgrading your Linux kernel often breaks third-party drivers like custom NICs, Wi-Fi adapters, or proprietary controllers. Discover how to pair DKMS with modprobe for automated driver recompilation and bulletproof kernel maintenance.

Security

Kubernetes Network Policies with Cilium: eBPF Microsegmentation Guide

October 9, 2026

Secure your Kubernetes clusters with Cilium Network Policies powered by eBPF. Learn how to set up zero-trust default-deny rules, L7 HTTP filtering, and live Hubble drop tracing.

DevOps

Deploying Cilium CNI on Kubernetes: Replace Kube-Proxy with eBPF in Production

October 9, 2026

Learn how replacing kube-proxy with Cilium CNI and eBPF eliminates iptables bottlenecks, cutting p99 latency from 240ms to 6ms in production Kubernetes clusters.

Database

Mastering pgAudit in PostgreSQL: Production Audit Logging and Security Monitoring Guide

October 9, 2026

Learn how to configure pgAudit in PostgreSQL for production audit logging and compliance monitoring. Discover object-level auditing to track sensitive queries with minimal performance overhead.

Linux

Mastering Linux Capabilities: Fine-Grained Process Permissions with getcap and setcap as a SUID Alternative

October 8, 2026

Linux Capabilities let you replace SUID with fine-grained privilege control — giving binaries only the specific permissions they need, nothing more. This guide covers getcap and setcap with practical examples for DevOps engineers managing production Linux servers.

Linux

Automated Linux Log Rotation with Logrotate: Compression, Permissions, and Disk Space Prevention

October 7, 2026

Uncontrolled log growth can fill your drives and crash production services. Learn how to set up automated log rotation with Logrotate, configure gzip compression, preserve user permissions, and prevent disk outages.

DevOps

Deploying Linkerd Service Mesh on Kubernetes: Lightweight Zero-Trust mTLS and Network Performance

October 7, 2026

Deploy Linkerd Service Mesh on Kubernetes to secure east-west microservices traffic. Achieve automatic Zero-Trust mTLS, sub-millisecond p99 latency, and lightweight resource usage with Linkerd's Rust-powered micro-proxy.

Networking

Deploying NetBox as a Single Source of Truth: Centralized DCIM, IPAM, and Network Automation

October 7, 2026

Deploy NetBox as your authoritative network Single Source of Truth (SSoT). Master DCIM and IPAM data modeling, render switch configs with Python, and feed dynamic inventory directly into Ansible.