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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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
897

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

hosting
765

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

security
758

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

hosting
757

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
732

Recently published

Configure Cherokee web server with MySQL database optimization and performance tuning

hosting
4 hours ago

Configure Cassandra SSL encryption and authentication with security hardening

databases
9 hours ago

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

networking
9 hours ago

Optimize Cassandra data modeling and query performance with advanced tuning and monitoring

databases
9 hours ago

Monitor system time drift with Prometheus and Grafana alerts

monitoring
9 hours ago
"container security" × Clear all
security Intermediate

Implement container security monitoring with Falco runtime detection

Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.

45 min 4 distros 128 views
devops Intermediate

Deploy Deno applications with Docker containers and production optimization

Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.

35 min 4 distros 291 views
monitoring Intermediate

Monitor container performance with Prometheus and cAdvisor for comprehensive metrics collection

Set up comprehensive container monitoring with cAdvisor, Prometheus, and Grafana to collect detailed metrics on CPU, memory, network, and disk usage. This tutorial covers installation, configuration, and alerting for production-ready container performance monitoring.

35 min 4 distros 478 views
linux Intermediate

Configure Linux kernel parameters for container workloads with sysctl optimization

Configure Linux kernel parameters for optimal container performance with sysctl tuning. This guide covers memory management, network stack optimization, file descriptor limits, and security parameters for Docker and Podman workloads.

25 min 6 distros 729 views
security Intermediate

Configure AppArmor security profiles for web servers and databases with custom policy enforcement

Set up mandatory access control for Nginx, Apache, MySQL, and PostgreSQL using AppArmor security profiles. Learn to create custom policies, debug profile violations, and implement advanced enforcement for production web servers and databases.

45 min 6 distros 505 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 378 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 600 views
security Intermediate

Secure Podman containers with SELinux and AppArmor mandatory access controls

Implement mandatory access controls for Podman containers using SELinux on Red Hat-based systems and AppArmor on Debian-based systems. Learn to configure security policies, monitor violations, and harden container security with production-grade controls.

45 min 4 distros 395 views
devops Intermediate

Install and configure Podman for rootless containers on Linux

Learn to install Podman and configure rootless containers as a secure Docker alternative. Includes Docker Compose migration, systemd integration, and troubleshooting common permission issues.

25 min 6 distros 546 views

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