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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Configure Linux system time synchronization with chrony and NTP hardening

linux
862

Set up Node.js application security with Helmet and rate limiting

security
744

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

hosting
717

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
710

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
709

Recently published

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

security
8 hours ago

Monitor Node.js applications with Prometheus and Grafana for comprehensive performance metrics

monitoring
8 hours ago

Set up PostgreSQL 17 streaming replication with PgBouncer connection pooling and load balancing

databases
8 hours ago

Set up ELK Stack for centralized ModSecurity log analysis and monitoring

security
8 hours ago

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

security
13 hours ago
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security Intermediate

Configure Keycloak custom themes and branding with SSL integration and production deployment

Set up custom Keycloak themes with your organization's branding, implement SSL certificates, and deploy to production with hot reload development workflow and performance optimization.

45 min 4 distros 62 views
devops Intermediate

Configure Kubernetes OpenTelemetry auto-instrumentation for microservices observability

Set up OpenTelemetry Operator in Kubernetes to automatically instrument microservices with distributed tracing. Enable seamless observability across your application stack without modifying application code.

45 min 4 distros 26 views
devops Intermediate

Configure SonarQube quality gates and automated project analysis with multi-language support

Set up custom SonarQube quality gates with automated project analysis for multiple programming languages. Configure SonarScanner integration, webhook notifications, and CI/CD pipeline automation for continuous code quality monitoring.

45 min 4 distros 168 views
devops Intermediate

Setup SonarQube scanner for multiple programming languages with automated code quality analysis

Configure SonarQube Scanner CLI to analyze Java, Python, JavaScript, and C# projects with automated quality gates and CI/CD integration. Streamline code quality analysis across your entire development pipeline with Docker and Jenkins automation.

45 min 4 distros 389 views

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