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.

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Install and configure Deno for web development with systemd and reverse proxy

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Install and configure Caddy web server with automatic HTTPS and reverse proxy

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Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

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Recently published

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
1 day ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
3 weeks ago
"security-policy" × Clear all
hosting Intermediate

Setup nginx reverse proxy with SSL certificates and security hardening

Configure nginx as a secure reverse proxy with Let's Encrypt SSL certificates, security headers, and DDoS protection. Learn to proxy backend applications, implement rate limiting, and harden your web server configuration.

35 min 4 distros 1,178 views
devops Intermediate

Configure GitLab container registry with SSL certificates and security hardening

Set up GitLab's integrated Docker registry with SSL/TLS encryption, security headers, and production-ready hardening for secure container image storage and distribution.

45 min 4 distros 1,162 views
devops Advanced

Implement Kubernetes admission controllers with OPA Gatekeeper for policy enforcement

Set up OPA Gatekeeper admission controllers to enforce security policies, resource governance, and compliance rules across your Kubernetes cluster with custom constraint templates.

45 min 4 distros 1,785 views
devops Intermediate

Install and configure Helm 3 for Kubernetes package management with security and private repositories

Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.

45 min 6 distros 1,371 views
devops Intermediate

Install and configure SonarQube for code quality analysis with PostgreSQL and SSL

Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.

45 min 6 distros 1,279 views
hosting Intermediate

Install and configure NGINX with HTTP/3 and modern security headers

Set up NGINX with HTTP/3 and QUIC support for faster web performance. Configure SSL certificates, implement modern security headers like CSP and HSTS, and optimize for production workloads.

25 min 6 distros 1,125 views

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