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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsImplement Apache Spark 3.5 cluster with YARN and HDFS for distributed computing
Set up a production-grade Apache Spark 3.5 cluster with YARN resource management and HDFS distributed storage for scalable big data processing. This tutorial covers multi-node Hadoop cluster configuration, YARN integration, and monitoring setup.
Set up MariaDB Galera Cluster 11.6 for multi-master replication with automatic failover
Configure a production-ready MariaDB Galera cluster with three nodes for multi-master replication, automatic failover, and SSL encryption. Includes HAProxy load balancing and comprehensive monitoring for high availability database operations.
Set up Kibana alerting and monitoring with Elasticsearch Watcher for automated threat detection
Configure Kibana alerting rules and Elasticsearch Watcher to automatically detect security threats and send notifications via email or Slack. Set up monitoring dashboards with automated responses for production security monitoring.
Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding
Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.
Implement HAProxy SSL termination with Let's Encrypt certificates for secure load balancing
Configure HAProxy to handle SSL termination with automated Let's Encrypt certificates, enabling secure HTTPS load balancing across multiple backend servers. This setup reduces CPU load on backend servers while providing centralized SSL certificate management.
Set up Istio multi-cluster service mesh with cross-cluster communication
Deploy and configure Istio across multiple Kubernetes clusters with secure cross-cluster communication, shared service discovery, and unified traffic management for distributed microservices architecture.
Set up Thanos Receiver for remote write scalability with Prometheus integration
Configure Thanos Receiver to handle high-volume remote write traffic from multiple Prometheus instances. This tutorial covers installation, multi-tenancy setup, and performance optimization for large-scale metrics ingestion.
Configure Gunicorn performance monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive performance monitoring for Gunicorn WSGI servers using Prometheus metrics collection and Grafana visualization. Monitor request rates, response times, worker processes, memory usage, and implement automated alerting for production Python applications.
Configure PostgreSQL 17 streaming replication for high availability with automatic failover
Set up PostgreSQL 17 streaming replication between primary and replica servers with pg_auto_failover for automated high availability. This tutorial covers complete configuration from authentication to monitoring and maintenance procedures.
Implement HAProxy rate limiting and DDoS protection with advanced security rules
Configure HAProxy with comprehensive rate limiting, connection throttling, and DDoS protection using stick tables, ACLs, and advanced security rules to protect your applications from malicious traffic and ensure service availability.
Configure Prometheus long-term storage with Thanos for unlimited data retention
Deploy Thanos components with Prometheus to achieve unlimited data retention using object storage. This advanced setup enables querying years of historical metrics while maintaining high availability and reducing local storage costs.
Configure Cherokee web server reverse proxy and load balancing with SSL
Set up Cherokee web server with reverse proxy capabilities, load balancing across backend servers, and SSL encryption for high-performance production environments.
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