Infrastructure tutorials

Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.

security Advanced

Implement Istio security scanning and vulnerability management for Kubernetes service mesh

Set up comprehensive security scanning and vulnerability management for Istio service mesh using Trivy, Falco, and security policies to protect Kubernetes workloads from threats and compliance violations.

45 min 4 distros 66 views
databases Advanced

Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups

Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.

45 min 4 distros 175 views
performance Advanced

Implement Varnish cache warming with Kubernetes CronJobs

Set up automated Varnish cache warming using Kubernetes CronJobs to preload frequently accessed content and improve website performance. This tutorial covers creating cache warming scripts, Docker containers, and automated scheduling for production environments.

45 min 4 distros 269 views
performance Intermediate

Implement Varnish cache warming with automated content preloading for high-performance websites

Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.

35 min 4 distros 680 views
devops Advanced

Integrate SonarQube with Kubernetes security scanning workflows for continuous code quality analysis

Set up SonarQube scanner in Kubernetes pods with admission controllers for automated security scanning. Configure CI/CD pipeline integration and security reporting for continuous code quality analysis in containerized environments.

45 min 4 distros 630 views

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