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

hosting
10,727

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
6,601

Fix apt update E: Repository no longer has a Release file

linux
6,274

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

hosting
5,694

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

databases
5,168

Recently published

Configure Istio multi-cluster disaster recovery and automated failover

devops
6 hours ago

Set up automated MariaDB Galera cluster backups with compression

databases
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
2 weeks ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
2 weeks ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
4 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 1,771 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 1,808 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 2,256 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 1,905 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 1,820 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 1,663 views

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