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
Implement Apache load balancing with SSL termination and health checks
hostingSetup 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
securitySet up audit log analysis dashboard with Grafana and Prometheus for security monitoring
Build a comprehensive security monitoring dashboard that collects Linux audit logs through auditd, exports metrics to Prometheus, and visualizes security events in Grafana with automated alerting for suspicious activities.
Configure Linux audit system with SIEM integration for Splunk security monitoring
Set up auditd with custom security rules, configure Splunk Universal Forwarder for log shipping, and implement real-time monitoring workflows for comprehensive security event tracking and compliance reporting.
Setup Elasticsearch 8 index lifecycle management for automated log retention and storage optimization
Configure Elasticsearch 8 ILM policies to automatically manage log data through hot-warm-cold phases, optimize storage costs, and enforce retention policies for production workloads.
Configure automated system maintenance with advanced cron scheduling and shell scripts
Set up comprehensive automated system maintenance using advanced cron scheduling patterns, custom shell scripts, and monitoring alerts to ensure optimal server performance and reliability.
Configure advanced network monitoring with SmokePing for detailed latency analysis
Set up SmokePing for detailed network latency monitoring with visual graphs, multi-target analysis, and advanced alerting. Perfect for tracking network performance trends and identifying connectivity issues across multiple hosts.
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 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.
Set up LUKS full disk encryption during Linux installation
Configure full disk encryption with LUKS during OS installation to secure your data at rest. Includes post-installation key management, performance optimization, and troubleshooting for production systems.
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 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.
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