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 Intermediate

Implement Network Time Security (NTS) for encrypted time synchronization with chrony

Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.

25 min 4 distros 75 views
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 77 views
security Advanced

Set up Kubernetes container image security scanning with Trivy and admission controllers

Implement automated security scanning for Kubernetes container images using Trivy scanner and admission controllers to block vulnerable images before deployment.

45 min 4 distros 51 views
databases Intermediate

Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies

Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.

45 min 4 distros 101 views
hosting Intermediate

Setup Caddy automatic SSL certificates with Let's Encrypt and DNS challenges

Configure Caddy 2 web server with automatic SSL certificate provisioning using Let's Encrypt and DNS challenge authentication for secure HTTPS automation.

25 min 4 distros 163 views
databases Advanced

Optimize Elasticsearch 8 search performance with custom analyzers and field mappings

Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.

45 min 4 distros 81 views
monitoring Intermediate

Configure MySQL backup monitoring with Prometheus alerts and Grafana dashboards

Set up automated monitoring for MySQL backups with Prometheus metrics collection, alerting rules for backup failures, and comprehensive Grafana dashboards for backup status visualization.

45 min 4 distros 88 views
databases Intermediate

Set up MySQL point-in-time recovery with binary logs for database backup and restore

Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.

45 min 4 distros 96 views
security Intermediate

Implement Nginx SSL certificate automation with Let's Encrypt using Certbot

Set up automated SSL certificate management for Nginx using Let's Encrypt and Certbot. Configure automatic certificate renewal, implement SSL security hardening, and monitor certificate health for production websites.

35 min 4 distros 105 views
performance Advanced

Configure Nginx Redis cluster caching for high availability and performance optimization

Set up Nginx with Redis cluster caching to achieve high availability and optimized performance. This advanced configuration includes cluster setup, failover testing, and performance tuning for production environments.

45 min 4 distros 136 views
hosting Advanced

Implement NGINX Plus active health checks for enterprise environments

Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.

45 min 4 distros 122 views
performance Intermediate

Optimize Varnish 7 cache storage with memory tuning and persistence configuration

Configure Varnish 7 memory allocation and storage backends for optimal cache performance. Set up file-based persistence and tune memory parameters for high-traffic workloads with monitoring.

25 min 4 distros 188 views

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