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
securityConfigure MariaDB 11.6 monitoring with Prometheus and Grafana dashboards
Set up comprehensive MariaDB monitoring with Prometheus mysqld_exporter metrics collection and Grafana visualization. Configure database performance alerts, query monitoring, and custom dashboards for production MariaDB instances.
Configure Linux development environment with Docker and Docker Compose
Set up a complete Docker development environment with Docker Compose for containerized application development. Install Docker Engine, configure user permissions, and establish efficient development workflows.
Optimize ScyllaDB performance for time-series data workloads with advanced configuration tuning
Configure ScyllaDB with specialized optimizations for time-series workloads including partitioning strategies, compaction settings, and memory tuning. Set up monitoring with Prometheus and Grafana for production performance insights.
Configure ScyllaDB SSL encryption and authentication with certificate management and security hardening
Secure your ScyllaDB cluster with comprehensive SSL/TLS encryption for client connections and inter-node communication. This tutorial covers certificate generation, authentication setup, and production security hardening.
Configure Varnish ESI (Edge Side Includes) for dynamic content optimization
Set up Varnish Cache 7 with Edge Side Includes to fragment and cache dynamic content separately. ESI allows you to cache static page parts while keeping dynamic sections fresh, improving performance for complex applications with mixed content types.
Monitor Cherokee web server performance with Grafana and Prometheus metrics collection
Set up comprehensive Cherokee web server monitoring with Prometheus metrics collection and Grafana dashboards. Configure alerting rules, performance thresholds, and real-time visualization for production Cherokee deployments.
Monitor OSPF network topology with Prometheus and Grafana dashboards
Set up comprehensive OSPF network monitoring using FRRouting, Prometheus SNMP exporter, and Grafana dashboards to track network topology changes, LSA states, and routing convergence in real-time.
Monitor ScyllaDB cluster with Prometheus and Grafana for comprehensive performance tracking
Set up complete ScyllaDB cluster monitoring using Prometheus for metrics collection and Grafana for visualization. Configure alerting rules for proactive performance monitoring and issue detection.
Monitor Jetty performance with JMX and Grafana dashboards
Set up comprehensive Jetty monitoring using JMX metrics collection with Prometheus JMX Exporter and visualize performance data through custom Grafana dashboards with automated alerting.
Configure Cassandra SSL encryption and authentication with security hardening
Set up comprehensive SSL/TLS encryption for Apache Cassandra with client-to-node and node-to-node security, certificate management, and production-grade authentication hardening.
Set up Cassandra backup automation with nodetool
Automate Apache Cassandra backups using nodetool snapshots, systemd timers, and retention policies. Configure monitoring and alerting for production-grade backup management with automated cleanup and verification.
Monitor Apache Cassandra cluster with Prometheus and Grafana dashboards
Set up comprehensive monitoring for Apache Cassandra clusters using JMX exporter, Prometheus metrics collection, and Grafana dashboards with alerting rules for cluster health.
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