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 Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring
monitoringImplement Tomcat application monitoring with JMX and Grafana dashboards
monitoringImplement Nginx SSL certificate automation with Let's Encrypt using Certbot
securitySet up centralized logging with Winston and Elasticsearch for Node.js applications
monitoringConfigure GitLab backup automation with GPG encryption
devopsIntegrate Redis 7 with microservices architecture for caching and session management
Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.
Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation
Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.
Advanced Nomad job templates and deployment strategies with rolling updates and canary deployments
Master production-grade Nomad job templates with HCL syntax, implement rolling updates with health checks, and deploy advanced blue-green and canary deployment patterns for resilient containerized workloads.
Configure advanced Consul ACL policies for production security hardening
Set up comprehensive Consul Access Control Lists with bootstrap tokens, role-based permissions, and secure inter-node communication for production environments. This tutorial covers ACL system initialization, policy creation, and agent token configuration.
Configure Deno application clustering with load balancing for high availability
Set up Deno application clustering with worker threads and HAProxy load balancing for production-grade high availability deployments. Configure health checks, monitoring, and automatic failover mechanisms.
Configure Vault auto-unseal with AWS KMS for high availability secrets management
Set up HashiCorp Vault with AWS KMS auto-unseal to eliminate manual unsealing processes and enable high availability deployments with automatic recovery.
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.
Integrate Consul with Kubernetes service discovery and automatic configuration
Set up Consul for dynamic service discovery in Kubernetes clusters with automatic service registration, health checks, and configuration management for microservices orchestration.
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 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.
Set up OpenVPN high availability cluster with automatic failover and load balancing
Build a production-ready OpenVPN high availability cluster using keepalived for automatic failover and HAProxy for load balancing across multiple OpenVPN servers.
Implement encryption for Consul backups using GPG with automated snapshots and secure storage
Learn to create encrypted Consul backups using GPG encryption with automated snapshot scripts, secure key management, and remote storage integration for production disaster recovery.
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