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

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
528

Configure network interface monitoring with ICMP ping and connectivity testing

networking
490

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
473

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
465

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
463

Recently published

Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing

monitoring
3 hours ago

Install and configure Squid 6 proxy server with bandwidth controls and content filtering

networking
3 hours ago

Set up multi-location monitoring with distributed Uptime Kuma instances

monitoring
4 hours ago

Setup Nginx with ModSecurity 3 web application firewall for advanced threat protection

security
4 hours ago

Configure SonarQube LDAP authentication with Active Directory and user group management

security
8 hours ago
"jwt" × Clear all
security Intermediate

Configure Node.js JWT authentication with Redis session storage and security hardening

Set up secure JWT authentication for Node.js applications with Redis session storage, security middleware, and production-ready hardening practices.

45 min 4 distros 30 views
devops Intermediate

Implement Deno WebSocket real-time applications with clustering and production deployment

Build production-ready real-time WebSocket applications with Deno, implementing clustering for high availability, SSL termination, and comprehensive monitoring for scalable messaging systems.

45 min 4 distros 44 views
devops Advanced

Configure Istio security policies with mutual TLS and authorization for Kubernetes service mesh

Configure mutual TLS authentication and authorization policies in Istio service mesh for secure microservices communication. This tutorial covers PeerAuthentication, AuthorizationPolicy, and RBAC configuration for production Kubernetes environments.

45 min 4 distros 52 views
devops Intermediate

Deploy Spring Boot applications with Jetty and Docker containers

Learn to deploy production-ready Spring Boot applications using Jetty embedded server with Docker containerization. This tutorial covers multi-stage Docker builds, production configuration, and deployment with Docker Compose for scalable Java applications.

45 min 4 distros 26 views
hosting Intermediate

Configure Deno WebSocket connections for real-time applications with clustering and production deployment

Set up production-ready Deno WebSocket servers with authentication, clustering, and load balancing for real-time applications. Complete with systemd service configuration and NGINX reverse proxy setup.

45 min 4 distros 145 views
security Intermediate

Implement Deno JWT authentication with OAuth2 integration for secure API development

Set up production-grade JWT authentication middleware in Deno with OAuth2 provider integration and role-based access control. Learn to secure API endpoints with proper token validation, user management, and enterprise-ready authentication flows.

45 min 4 distros 167 views
security Advanced

Implement Jaeger security with TLS encryption and authentication for distributed tracing

Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.

45 min 4 distros 168 views
performance Advanced

Implement NGINX Lua scripting for advanced caching logic with OpenResty

Configure OpenResty with Lua scripting for advanced caching strategies including dynamic cache keys, intelligent TTL management, and conditional cache invalidation based on business logic.

45 min 4 distros 314 views
security Advanced

Implement Istio security policies with authorization and authentication for Kubernetes service mesh

Configure Istio service mesh security with mTLS authentication, JWT validation, and RBAC authorization policies. This tutorial covers implementing comprehensive security controls for microservices communication in production Kubernetes environments.

45 min 4 distros 153 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 165 views
security Intermediate

Implement FastAPI authentication with JWT and OAuth2 for secure API development

Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.

45 min 4 distros 361 views
security Intermediate

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

Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.

25 min 4 distros 311 views

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