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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesInstall and configure Nexus Repository Manager for private Docker and Maven repositories
Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.
Install and configure Kubernetes cluster with kubeadm and security hardening
Set up a production-ready Kubernetes cluster using kubeadm with proper security hardening, RBAC configuration, and CNI networking. Includes worker node setup and verification steps.
Install and configure Apache Kafka with cluster setup and monitoring
Set up a production-ready Apache Kafka cluster with SSL security, ZooKeeper ensemble, and comprehensive monitoring using JMX and Prometheus for high-throughput message streaming.
Install and configure Fail2ban with advanced rules and email alerts
Set up Fail2ban intrusion prevention system with custom SSH, web server, and application protection rules. Configure email notifications and advanced filtering to automatically block malicious IP addresses based on log patterns.
Install and configure HAProxy for high availability load balancing
Set up HAProxy with SSL termination, keepalived for high availability, and comprehensive health checks to distribute traffic across multiple backend servers with automatic failover.
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 WireGuard VPN server with client management
Set up a secure WireGuard VPN server with automated client management, including key generation, firewall configuration, and traffic routing for remote access.
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 Podman for rootless containers on Linux
Learn to install Podman and configure rootless containers as a secure Docker alternative. Includes Docker Compose migration, systemd integration, and troubleshooting common permission issues.
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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