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 CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure WireGuard VPN server with client management
networkingInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration
networkingSet up automated network topology discovery with SNMP and LLDP for infrastructure mapping
networkingConfigure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics
devopsDeploy Spring Boot applications with Jetty and Docker containers
devopsMonitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
monitoringInstall and configure NGINX with HTTP/3 and modern security headers
Set up NGINX with HTTP/3 and QUIC support for faster web performance. Configure SSL certificates, implement modern security headers like CSP and HSTS, and optimize for production workloads.
Install and configure PostgreSQL 17 with performance tuning and security hardening
Learn to install PostgreSQL 17 from official repositories, optimize performance with proper memory settings, and implement security best practices including SSL encryption and authentication hardening.
Install and configure Grafana with Prometheus for system monitoring
Set up a complete monitoring stack with Prometheus for metrics collection and Grafana for visualization. Create dashboards to monitor system performance, set up alerting rules, and secure your monitoring infrastructure.
Install and configure Traefik reverse proxy with SSL automation
Set up Traefik as a reverse proxy with Docker Compose for automatic SSL certificate management, service discovery, and load balancing across multiple backend services.
Install and configure Ollama for local AI models on Linux servers
Set up Ollama to run large language models locally on your Linux server. This tutorial covers installation, GPU acceleration, model deployment, API configuration, and performance optimization.
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