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
10,057

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

monitoring
5,799

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

hosting
4,828

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,275

Install and configure Ollama for local AI models on Linux servers

devops
4,188

Recently published

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking
1 day ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
3 days ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
5 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
2 weeks ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago
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devops Intermediate

Install and configure ArgoCD Image Updater for automatic Kubernetes deployments with GitOps automation

Set up ArgoCD Image Updater to automatically monitor container registries and update Kubernetes deployments when new image versions are available. Configure GitOps workflows with automated Git commits and Prometheus monitoring for seamless CI/CD integration.

25 min 4 distros 660 views
devops Advanced

Implement Istio circuit breaker and retry policies for microservices resilience and fault tolerance

Configure Istio destination rules with circuit breaker patterns, implement retry policies with exponential backoff, and set up comprehensive fault injection testing for microservices resilience in Kubernetes service mesh environments.

45 min 4 distros 764 views
devops Intermediate

Configure Kubernetes secrets management with Sealed Secrets for secure Helm values

Learn to implement Sealed Secrets controller for encrypting Kubernetes secrets in Git repositories, enabling secure GitOps workflows with encrypted Helm values and automated secret management.

45 min 4 distros 754 views
devops Advanced

Configure Istio ingress gateway with SSL certificates and custom domains for Kubernetes service mesh

Set up Istio ingress gateway with automated SSL certificate management using cert-manager, configure custom domain routing with VirtualService, and implement TLS termination for secure service mesh traffic.

35 min 4 distros 763 views
devops Intermediate

Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management

Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.

25 min 4 distros 734 views
monitoring Intermediate

Set up Zabbix 7 distributed monitoring with proxy servers for scalable infrastructure oversight

Configure Zabbix proxy servers to distribute monitoring loads across multiple network segments with encrypted communication, automated discovery, and centralized management for enterprise-scale infrastructure monitoring.

45 min 4 distros 1,023 views
devops Intermediate

Configure Apache Airflow DAG version control with Git and CI/CD pipelines

Set up Git-based version control for Apache Airflow DAGs with automated CI/CD pipelines for testing and deployment. Implement DAG synchronization, validation workflows, and production-ready deployment strategies.

45 min 4 distros 767 views
security Intermediate

Configure SSL certificates and security hardening for Nexus Repository Manager

Secure your Nexus Repository Manager with SSL/TLS certificates, enforce HTTPS connections, and implement comprehensive security hardening including authentication controls, access policies, and audit logging for production environments.

45 min 4 distros 1,111 views
monitoring Advanced

Set up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing

Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.

90 min 4 distros 869 views
security Advanced

Configure Keycloak high availability clustering for production with load balancing and failover

Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.

90 min 4 distros 1,012 views
devops Intermediate

Configure SonarQube quality gates and custom rules for automated code quality enforcement

Set up SonarQube quality gates with custom conditions, create language-specific rules, and integrate automated quality enforcement into CI/CD pipelines for continuous code quality monitoring.

45 min 4 distros 1,395 views
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 745 views

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