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
860

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
715

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
708

Recently published

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

security
7 hours ago

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

monitoring
7 hours ago

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

databases
7 hours ago

Set up ELK Stack for centralized ModSecurity log analysis and monitoring

security
7 hours ago

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

security
12 hours ago
"resource limits" × Clear all
devops Intermediate

Deploy applications to Kubernetes with Helm charts and production best practices

Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.

45 min 4 distros 59 views
monitoring Intermediate

Configure Loki with S3 storage backend for scalable centralized logging

Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.

45 min 4 distros 50 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
security Advanced

Secure Docker containers with Traefik reverse proxy and Authelia authentication

Set up a production-grade security stack using Traefik v3 reverse proxy with SSL automation and Authelia for multi-factor authentication. This tutorial covers Docker hardening, LDAP integration, and container security monitoring.

45 min 4 distros 69 views
monitoring Intermediate

Set up NGINX log analysis and monitoring with Prometheus and Grafana dashboards

Configure comprehensive NGINX monitoring with Prometheus exporters, structured log parsing, and real-time Grafana dashboards for web server observability and performance analysis.

45 min 4 distros 210 views
databases Intermediate

Install and configure PgBouncer for PostgreSQL connection pooling with performance optimization

Set up PgBouncer to efficiently manage PostgreSQL connections, reduce database load, and improve application performance with proper authentication and monitoring.

25 min 4 distros 71 views
devops Intermediate

Deploy Podman containers with Kubernetes YAML manifests and kubectl integration

Learn how to deploy and manage Podman containers using Kubernetes YAML manifests with kubectl integration. This tutorial covers systemd user services, YAML generation, pod networking, and volume management.

25 min 4 distros 64 views
monitoring Intermediate

Configure Prometheus Alertmanager with email notifications for production monitoring

Set up Prometheus Alertmanager to send email notifications when your systems trigger alerts. This tutorial covers SMTP configuration, alert routing rules, and email template customization for production monitoring workflows.

35 min 4 distros 82 views
hosting Beginner

Install and configure Hypercorn ASGI server with systemd and reverse proxy for Python web applications

Deploy Python ASGI applications with Hypercorn server, systemd service management, and Nginx reverse proxy for production environments. Complete setup with SSL termination and performance optimization.

25 min 6 distros 141 views
hosting Beginner

Fix nginx worker_connections are not enough warning

Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.

20 min 6 distros 125 views
linux Advanced

Configure Linux container memory limits and monitoring with systemd and cgroups v2

Set up memory limits and monitoring for containers using systemd services and cgroups v2 to prevent OOM kills and track resource usage.

25 min 6 distros 128 views
hosting Beginner

Install and configure Go web applications with systemd and reverse proxy

Deploy Go web applications in production with systemd service management, NGINX reverse proxy with SSL termination, and comprehensive logging for monitoring and maintenance.

25 min 6 distros 134 views

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