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
Setup 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
securityImplement Docker network security with custom bridge networks and container isolation
securitySetup Elasticsearch 8 authentication with LDAP and Active Directory integration
Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.
Implement OpenResty JWT authentication with OAuth2 integration for secure web applications
Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.
Configure Redis Sentinel with SSL/TLS encryption and authentication for high availability
Set up a production-grade Redis Sentinel cluster with SSL/TLS encryption, authentication, and automatic failover for high availability. This tutorial covers certificate generation, security configuration, and monitoring setup.
Setup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)
Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.
Deploy Django application with Gunicorn and PostgreSQL database migrations
Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.
Set up ClickHouse and Kafka real-time data pipeline with streaming analytics
Build a production-ready real-time data pipeline using ClickHouse for high-performance analytics and Apache Kafka for streaming data ingestion. Configure clustering, replication, and automated data processing workflows.
Set up Nexus Repository Manager high availability clustering for production scale
Deploy a production-ready Nexus Repository Manager cluster with shared storage, load balancing, and automated failover for enterprise artifact management and zero-downtime operations.
Set up automated MySQL database backups with compression and rotation
Create production-grade MySQL backup automation with gzip compression, logrotate management, and systemd timer scheduling. Includes integrity checking and email notifications for reliable database protection.
Monitor system resources with Netdata real-time performance dashboard
Set up Netdata for comprehensive real-time monitoring of CPU, memory, disk, and network resources with a web-based dashboard, email alerts, and customizable thresholds.
Configure Linux audit system with auditd for security compliance and file monitoring
Set up the Linux audit system with auditd to monitor file access, user activities, and system calls for security compliance. Learn to create audit rules, analyze logs, and track privilege escalations.
Set up network interface monitoring with SNMP and basic traffic analysis
Learn how to install and configure SNMP daemon for network interface monitoring, implement basic traffic analysis with automated alerting, and create monitoring scripts with cron jobs for continuous network performance tracking.
Install and configure Uptime Kuma for website monitoring with SSL and email alerts
Learn how to install Uptime Kuma, a self-hosted monitoring tool, with SSL certificates, email notifications, and comprehensive website monitoring capabilities. Set up automated alerts and maintain reliable uptime tracking for your web services.
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