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
Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security
monitoringSet up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
databasesConfigure Kubernetes RBAC with service accounts and role bindings for secure cluster access control
devopsConfigure Prometheus Alertmanager with Slack integration for team notifications
monitoringSet up GitLab CI/CD with Kubernetes runners for scalable deployments
devopsConfigure PHP-FPM with NGINX reverse proxy and SSL certificates
Set up PHP-FPM with NGINX as a reverse proxy and secure it with Let's Encrypt SSL certificates. This configuration provides high performance for PHP applications with proper process isolation and automatic HTTPS.
Configure centralized cron management with Ansible automation and systemd timers
Set up automated cron job deployment and monitoring across multiple servers using Ansible playbooks with systemd timers for reliable task scheduling and centralized logging.
Optimize DuckDB performance for large datasets with partitioning
Configure DuckDB with advanced partitioning strategies and memory optimization for processing multi-gigabyte datasets efficiently. Includes Python integration, query optimization techniques, and comprehensive monitoring setup.
Configure DuckDB cluster setup for distributed analytics and high performance workloads
Set up a DuckDB cluster with distributed query processing, network security, and performance optimization for high-throughput analytical workloads across multiple nodes.
Setup DuckDB with Apache Airflow for automated data pipelines
Configure DuckDB as a high-performance analytical database backend for Apache Airflow workflows. Build automated data pipelines that process files, APIs, and databases using DuckDB's columnar engine.
Configure Netdata MySQL monitoring and database performance alerts
Set up comprehensive MySQL monitoring with Netdata for real-time database performance metrics, query analysis, and automated alerts. Monitor connection pools, slow queries, and resource usage with production-grade alerting.
Configure advanced htop monitoring with custom scripts and alerting
Build a production-grade monitoring system using custom-compiled htop with automated process analysis scripts and multi-channel alerting for proactive infrastructure management.
Configure advanced Uptime Kuma monitoring with API integrations and automated alerting
Set up Uptime Kuma with advanced API endpoints, custom notification channels, and automated monitoring workflows. Configure health check automation, status page customization, and enterprise alerting rules for production environments.
Configure Nagios custom plugins development for specialized monitoring requirements
Learn to develop custom Nagios plugins for specialized monitoring requirements including setting up the development environment, writing check scripts in multiple languages, and integrating them into your Nagios Core monitoring infrastructure.
Configure Nagios Core 4.5 SSL certificates and security hardening with authentication controls
Secure your Nagios monitoring with SSL certificates, advanced authentication, and comprehensive access controls. This guide covers Let's Encrypt integration, web interface hardening, and security monitoring setup.
Configure SELinux mandatory access controls for enhanced security
Set up SELinux on Ubuntu and Debian systems, configure security modes and policies, create custom application rules, and implement comprehensive monitoring for enhanced Linux security hardening.
Configure NGINX virtual hosts with SSL certificates for multiple domains
Set up multiple domains on a single NGINX server with automatic SSL certificates from Let's Encrypt. Handle domain routing, certificate management, and secure configurations for production hosting.
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