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.
Browse by topic
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
hostingFix apt update E: Repository no longer has a Release file
linuxInstall 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
databasesRecently published
Check disk space usage on Linux with df and du commands
linuxFind and kill processes using a specific port on Linux
linuxFix PostgreSQL FATAL sorry, too many clients already
linuxConfigure Istio multi-cluster disaster recovery and automated failover
devopsSet up automated MariaDB Galera cluster backups with compression
databasesConfigure HAProxy SSL termination with Let's Encrypt and security headers
Set up HAProxy 2.8 with SSL termination, automatic Let's Encrypt certificates, and security headers for high-performance load balancing with HTTPS offloading and automated certificate renewal.
Install and configure Hypercorn ASGI server with systemd and reverse proxy for Python web applications
Deploy Python ASGI applications with Hypercorn server, systemd service management, and Nginx reverse proxy for production environments. Complete setup with SSL termination and performance optimization.
Fix nginx worker_connections are not enough warning
Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.
Install and configure uWSGI application server with Nginx reverse proxy for Python web applications
Set up a production-ready Python web application stack with uWSGI as the WSGI server and Nginx as a reverse proxy. Includes SSL certificate setup, systemd service configuration, and troubleshooting guide for Django and Flask deployments.
Install and configure Bun JavaScript runtime with systemd and reverse proxy
Deploy Bun JavaScript runtime on Linux with automatic service management through systemd and secure SSL reverse proxy configuration with Nginx for production applications.
Configure NGINX rate limiting and advanced security rules for DDoS protection
Configure NGINX with comprehensive rate limiting, connection throttling, and advanced security headers to protect your web applications from DDoS attacks and malicious traffic. Learn to implement zone-based rate limiting, geographic blocking, and real-time monitoring for production environments.
Configure SonarQube LDAP authentication and user management with Active Directory integration
Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.
Configure SSL encryption and authentication for ClamAV cluster with high availability scanning
Set up a secure ClamAV cluster with SSL/TLS encryption, certificate-based authentication, and load balancing for enterprise-grade antivirus scanning. This tutorial covers SSL certificate generation, encrypted inter-node communication, and HAProxy SSL termination.
Implement MinIO security hardening with IAM policies and audit logging
Secure your MinIO object storage with comprehensive IAM policies, role-based access control, and audit logging for compliance monitoring. This tutorial covers user management, policy creation, and security validation for production environments.
Configure NGINX reverse proxy with SSL termination and load balancing for high availability
Set up NGINX as a reverse proxy with SSL termination, load balancing across multiple backend servers, and automatic HTTPS redirection for production-ready high availability web infrastructure.
Set up OpenVPN high availability cluster with automatic failover and load balancing
Build a production-ready OpenVPN high availability cluster using keepalived for automatic failover and HAProxy for load balancing across multiple OpenVPN servers.
Set up Apache Airflow high availability with CeleryExecutor and Redis clustering
Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.
Don't want to manage this yourself?
We handle infrastructure for businesses that depend on uptime. Fully managed, with one fixed contact who knows your setup.
You get one fixed contact who knows your setup
Rotterdam 09:11 · reachable in a message, no ticket form