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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringConfigure Jaeger with Elasticsearch backend security and encryption
Set up secure communication between Jaeger and Elasticsearch using TLS encryption, authentication, and production-grade security hardening for distributed tracing infrastructure.
Setup ScyllaDB backup validation and automated restore testing
Configure automated ScyllaDB backups with nodetool snapshots, implement validation scripts to verify backup integrity, and set up systemd timers for automated restore testing with Prometheus monitoring.
Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping
Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.
Implement Consul multi-datacenter replication with WAN federation
Set up Consul WAN federation to replicate services and configuration across multiple datacenters with ACL token replication, health monitoring, and automatic failover capabilities.
Implement Network Time Security (NTS) for encrypted time synchronization with chrony
Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.
Implement MariaDB backup encryption with Mariabackup and automated restoration
Set up encrypted MariaDB backups using Mariabackup with AES encryption, automated scheduling, and verified restoration procedures for secure database protection.
Set up Spark Streaming with Kafka and Delta Lake for real-time analytics
Configure Apache Spark 3.5 with Kafka integration and Delta Lake support for building production-grade real-time analytics pipelines with ACID transactions and streaming capabilities.
Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies
Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.
Setup NGINX SSL certificates with PM2 clustering for Node.js applications
Configure NGINX as a reverse proxy with SSL certificates and load balancing for PM2 clustered Node.js applications. Set up automatic SSL certificate management with Let's Encrypt, implement health checks, and optimize performance for production environments.
Optimize Elasticsearch 8 search performance with custom analyzers and field mappings
Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.
Configure CockroachDB SSL encryption and security hardening
Set up SSL/TLS encryption, authentication, and advanced security policies for CockroachDB 24.3 in production environments with certificate management and cluster monitoring.
Configure FastAPI rate limiting and security middleware with Redis and authentication
Set up production-ready FastAPI applications with Redis-backed rate limiting, security middleware, and JWT authentication to protect against abuse and secure your API endpoints.
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