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
10,962

Fix apt update E: Repository no longer has a Release file

linux
8,107

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

monitoring
6,869

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

hosting
6,037

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

databases
5,510

Recently published

Check disk space usage on Linux with df and du commands

linux
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Find and kill processes using a specific port on Linux

linux
4 days ago

Fix PostgreSQL FATAL sorry, too many clients already

linux
1 week ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
2 weeks ago

Set up automated MariaDB Galera cluster backups with compression

databases
1 month ago
"firewall" × Clear all
devops Advanced

Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments

Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.

45 min 4 distros 1,598 views
networking Advanced

Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers

Set up Envoy Proxy with intelligent gRPC load balancing, health checks, and circuit breakers for production microservices. Includes SSL termination, monitoring integration, and security hardening.

45 min 4 distros 1,277 views
monitoring Intermediate

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

Set up comprehensive NGINX monitoring using Prometheus metrics collection and custom Grafana dashboards to track web server performance, request rates, and response times in real-time.

45 min 4 distros 1,412 views
monitoring Advanced

Implement Grafana high availability clustering with PostgreSQL backend and load balancing

Set up a production-ready Grafana high availability cluster with PostgreSQL shared database backend and HAProxy load balancing for enterprise monitoring infrastructure with automatic failover.

45 min 4 distros 1,276 views
security Advanced

Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption

Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.

45 min 4 distros 1,297 views
monitoring Intermediate

Configure Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

Set up Prometheus Blackbox Exporter to monitor HTTP, HTTPS, DNS, TCP, and ICMP endpoints with SSL certificate validation and automated alerting for comprehensive uptime monitoring.

25 min 4 distros 1,222 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 1,147 views
devops Intermediate

Configure Apache Airflow with SSL certificates and NGINX reverse proxy for secure production deployment

Set up Apache Airflow behind NGINX with SSL certificates, security headers, and reverse proxy configuration for production-grade deployments with HTTPS termination.

35 min 4 distros 1,460 views
networking Advanced

Configure Cilium BGP peering with MetalLB integration for Kubernetes load balancing

Set up Cilium CNI with BGP routing capabilities and integrate with MetalLB speaker components for bare-metal Kubernetes load balancing. This configuration enables external traffic routing and service discovery in on-premises environments.

45 min 4 distros 1,155 views
monitoring Intermediate

Configure Jaeger with NGINX reverse proxy and SSL termination

Set up Jaeger distributed tracing behind an NGINX reverse proxy with SSL termination and authentication. Learn to configure secure access, performance optimization, and production-ready monitoring for your microservices.

45 min 4 distros 1,104 views
devops Advanced

Set up Nomad multi-node cluster with TLS encryption and Consul integration

Deploy a production-ready HashiCorp Nomad cluster with server and client nodes, TLS encryption, and Consul integration for service discovery. Includes workload deployment and monitoring configuration.

45 min 4 distros 1,148 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 1,828 views

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