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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringConfigure 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 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.
Configure encrypted network storage with LUKS and NFS for secure file sharing
Set up enterprise-grade encrypted network storage by combining LUKS disk encryption with NFS file sharing. This advanced configuration provides secure, centralized file access across multiple systems while maintaining data protection at rest.
Configure auditd with Elasticsearch and Kibana for compliance reporting
Set up comprehensive Linux audit logging with auditd, integrate with Elasticsearch 8 and Kibana 8 for centralized analysis, and create compliance dashboards for PCI DSS, HIPAA, and SOX reporting requirements.
Configure network-attached storage backup with NFS and encryption
Set up an encrypted NFS backup server with automated backup scripts and performance monitoring. Configure LUKS encryption, NFS exports, and centralized backup management for secure enterprise storage.
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.
Optimize systemd journal logging performance and storage
Learn how to optimize systemd journald for production environments by configuring storage limits, compression, performance settings, and implementing log forwarding with monitoring.
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.
Set up development database environments with environment variables
Learn to configure PostgreSQL, MySQL, and MariaDB development databases using environment variables for secure connection management and simplified configuration across different environments.
Configure systemd user services for application startup
Learn how to configure systemd user services to automatically start applications without root privileges. This guide covers creating service units, managing lifecycle, and troubleshooting user services for reliable application startup.
Implement Linux file system encryption with LUKS and cryptsetup
Encrypt Linux file systems and partitions using LUKS (Linux Unified Key Setup) with cryptsetup tools. Configure encrypted storage, manage encryption keys, and implement backup procedures for production environments.
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