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
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure Consul multi-datacenter WAN federation for geographic redundancy
Set up Consul WAN federation to connect multiple datacenters for global service discovery and failover. This tutorial covers primary and secondary datacenter configuration with ACL token replication and cross-datacenter networking.
Configure 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 automated compliance scanning with OpenSCAP and audit reporting
Set up OpenSCAP security compliance scanning with automated systemd timers, generate HTML and XML audit reports, and configure SCAP security profiles for continuous compliance monitoring.
Configure PHP Composer for dependency management and autoloading
Set up PHP Composer with global configuration, PSR-4 autoloading, and dependency management workflows for modern PHP development across Ubuntu, Debian, AlmaLinux, and Rocky Linux distributions.
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.
Set up Netdata slave nodes for centralized monitoring with parent-child architecture
Configure Netdata parent-child architecture to stream metrics from multiple servers to a centralized dashboard. Set up authentication, SSL encryption, and troubleshoot streaming issues for scalable monitoring infrastructure.
Configure LDAP authentication for centralized user management with OpenLDAP and SSSD
Set up centralized user authentication using OpenLDAP server with SSSD client integration. Configure PAM and NSS for seamless login across multiple Linux systems with directory-based user management.
Configure Node.js application monitoring with PM2 and Grafana
Set up comprehensive Node.js application monitoring using PM2 process manager with Prometheus metrics collection and Grafana dashboards for production-grade observability and alerting.
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 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.
Configure Linux development environment with Docker and Docker Compose
Set up a complete Docker development environment with Docker Compose for containerized application development. Install Docker Engine, configure user permissions, and establish efficient development workflows.
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