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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsConfigure Kibana 8 advanced security with field-level restrictions and role-based access control
Implement comprehensive security controls in Kibana 8 with field-level restrictions, document-level security, and role-based access control for production Elasticsearch deployments.
Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting
Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.
Monitor Cherokee web server performance with custom Grafana dashboards and Prometheus alerts
Set up comprehensive monitoring for Cherokee web server with Prometheus metrics collection, custom Grafana dashboards for performance visualization, and automated alerting for critical performance thresholds.
Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards
Monitor your Elasticsearch cluster performance with Metricbeat for comprehensive metrics collection and visualization through pre-built Kibana dashboards. This tutorial covers installation, configuration, and automated alerting.
Implement MariaDB connection pooling with ProxySQL for high availability
Set up ProxySQL as a connection pooling proxy for MariaDB to improve performance and provide high availability. Configure backend server management, connection pooling rules, and monitoring for production workloads.
Configure NGINX reverse proxy with SSL termination and load balancing for high availability
Set up NGINX as a reverse proxy with SSL termination, load balancing across multiple backend servers, and automatic HTTPS redirection for production-ready high availability web infrastructure.
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.
Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.
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.
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.
Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards
Set up comprehensive monitoring for Elasticsearch 8 using Prometheus metrics collection and Grafana visualization. This tutorial covers exporter installation, metric configuration, dashboard setup, and alerting rules for production environments.
Configure NGINX reverse proxy with advanced caching and load balancing
Set up NGINX as a high-performance reverse proxy with Redis-backed caching, multiple load balancing algorithms, SSL termination, and comprehensive monitoring for production environments.
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