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
5,752

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

hosting
2,167

Install and configure Ollama for local AI models on Linux servers

devops
2,051

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

hosting
1,920

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

monitoring
1,763

Recently published

Implement Apache load balancing with SSL termination and health checks

hosting
2 hours ago

Setup Node.js error tracking with Sentry for production monitoring and debugging

monitoring
7 hours ago

Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards

monitoring
16 hours ago

Implement OSPF multi-area design with FRRouting and advanced routing policies

networking
21 hours ago

Configure Istio security policies with external authorization services integration

security
1 day ago
"firewall" × Clear all
devops Intermediate

Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates

Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.

35 min 4 distros 456 views
monitoring Intermediate

Set up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger

Configure end-to-end distributed tracing across Node.js and Python microservices using OpenTelemetry instrumentation and Jaeger backend with Elasticsearch for centralized trace collection and analysis.

45 min 4 distros 292 views
monitoring Advanced

Set up Jaeger multi-datacenter replication for disaster recovery and high availability

Configure Jaeger distributed tracing with multi-datacenter replication for high availability and disaster recovery. Learn to set up primary and secondary datacenters with automated failover and cross-region data synchronization.

90 min 4 distros 514 views
security Advanced

Configure SELinux policies for web applications and databases with custom rules and security hardening

Learn how to implement mandatory access controls with SELinux for web servers and databases. Configure custom security contexts, create application-specific policies, and harden your infrastructure with advanced SELinux rules.

45 min 4 distros 332 views
networking Advanced

Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping

Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.

45 min 4 distros 541 views
security Intermediate

Configure Linux user and group management with sudo access control

Learn to create and manage Linux users and groups with proper sudo access control, security hardening, and monitoring. This comprehensive guide covers account creation, group membership management, sudo configuration, and security best practices for production environments.

45 min 4 distros 414 views
devops Intermediate

Deploy multiple Ollama instances with HAProxy load balancing for high availability AI model serving

Set up multiple Ollama instances behind HAProxy load balancer for high-availability AI model serving with health checks, SSL termination, and automatic failover to eliminate single points of failure.

45 min 4 distros 710 views
monitoring Intermediate

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

Set up comprehensive SNMP monitoring in Nagios Core with automated network device discovery, custom templates for switches and routers, and real-time alerting for network infrastructure monitoring.

45 min 4 distros 449 views
security Intermediate

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

Configure a production-grade web application firewall using NGINX with ModSecurity 3 and OWASP Core Rule Set. Includes logging, monitoring, and fail2ban integration for comprehensive threat protection.

45 min 4 distros 434 views
monitoring Advanced

Implement OpenTelemetry distributed context propagation across microservices with automatic instrumentation

Set up comprehensive distributed tracing across microservices using OpenTelemetry with automatic context propagation, trace correlation headers, and framework-specific auto-instrumentation for Python, Java, and Node.js applications.

45 min 4 distros 592 views
devops Advanced

Set up MinIO gateway for multi-cloud storage federation with AWS S3 and Azure integration

Learn to deploy MinIO as a unified storage gateway that seamlessly federates multiple cloud storage backends including AWS S3 and Azure Blob Storage. This advanced configuration provides intelligent failover, cost optimization, and vendor-neutral object storage management.

45 min 4 distros 424 views
monitoring Advanced

Configure Thanos Ruler for distributed alerting across multiple Prometheus clusters

Set up Thanos Ruler to create a unified alerting layer across distributed Prometheus instances. This tutorial covers installation, global rule configuration, and cross-cluster alert federation for enterprise monitoring.

45 min 4 distros 617 views

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