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
590

Configure network interface monitoring with ICMP ping and connectivity testing

networking
564

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
556

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

devops
556

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
550

Recently published

Setup Kafka Schema Registry with Avro serialization for data processing

devops
47 minutes ago

Setup HAProxy with Docker container backends for dynamic load balancing

networking
49 minutes ago

Integrate HashiCorp Vault with Kubernetes secrets management for secure container orchestration

devops
52 minutes ago

Configure Vault dynamic secrets for databases with PostgreSQL and MySQL integration

security
54 minutes ago

Set up Vault as a PKI certificate authority with SSL automation and intermediate CA

security
5 hours ago
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networking Intermediate

Setup HAProxy with Docker container backends for dynamic load balancing

Configure HAProxy 2.8 to automatically discover and load balance traffic across Docker containers with health checks, service discovery, and SSL termination for production-grade dynamic routing.

35 min 4 distros 2 views
security Intermediate

Set up Vault as a PKI certificate authority with SSL automation and intermediate CA

Build a production-grade PKI infrastructure using HashiCorp Vault with root and intermediate certificate authorities. Enable automated SSL certificate generation and renewal for your applications with RBAC policies.

45 min 4 distros 5 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 6 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 8 views
monitoring Intermediate

Monitor WireGuard VPN server with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.

25 min 4 distros 12 views
monitoring Intermediate

Set up Docker Compose monitoring stack with Prometheus and Grafana for AI model performance tracking

Deploy a complete monitoring stack using Docker Compose with Prometheus for metrics collection and Grafana for visualization, specifically configured to track AI model performance metrics like inference latency, throughput, and resource utilization.

45 min 4 distros 13 views
monitoring Intermediate

Set up NGINX monitoring with Prometheus and Grafana for web server observability

Monitor your NGINX web server performance and health with Prometheus metrics collection and Grafana dashboards. Set up comprehensive observability including request rates, response times, error tracking, and automated alerting for production web servers.

45 min 4 distros 9 views
linux Advanced

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

Resolve apt update errors when repositories lose Release files due to expired GPG keys, discontinued repos, or corrupted package manager state. Includes diagnostics, recovery methods, and prevention strategies.

25 min 7 distros 60 views
hosting Beginner

Install and configure Caddy 2 web server with automatic HTTPS and PHP-FPM

Set up Caddy 2 web server with automatic HTTPS certificates from Let's Encrypt and PHP-FPM integration for dynamic content. Includes virtual hosts, security headers, and systemd service configuration.

25 min 6 distros 60 views
linux Beginner

Configure Linux package management with apt, dnf and yum for system updates

Learn to manage Linux packages effectively with apt, dnf, and yum across Ubuntu, Debian, and RHEL-based distributions. Master installation, updates, repository management, and troubleshooting for reliable system maintenance.

25 min 6 distros 52 views
security Advanced

Set up Grafana Enterprise SSO authentication with LDAP, SAML, and OAuth2 integration

Configure Grafana Enterprise with comprehensive single sign-on authentication supporting LDAP, SAML, and OAuth2 providers. Set up role-based access control with automated team mapping and user provisioning for enterprise environments.

45 min 4 distros 28 views
devops Advanced

Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing

Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.

45 min 4 distros 14 views

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