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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingRecently 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
monitoringSetup S3-compatible disaster recovery with cross-region replication using MinIO
Configure MinIO clusters across multiple regions with automated cross-region bucket replication, SSL encryption, and comprehensive monitoring for enterprise-grade disaster recovery.
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 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.
Configure MongoDB sharding with zone-based data distribution for geographic workloads
Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.
Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.
Configure advanced nftables logging and monitoring for network security
Set up comprehensive nftables logging with structured syslog integration, Prometheus metrics collection, and ELK stack analysis. Configure Grafana dashboards for real-time firewall monitoring and automated alerting for security events.
Configure Elasticsearch cross-cluster replication for disaster recovery
Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.
Set up NGINX rate limiting and security headers for DDoS protection
Configure NGINX with comprehensive rate limiting zones, security headers, and DDoS protection rules to secure your web applications against malicious traffic and automated attacks.
Configure Consul multi-datacenter WAN federation for geographic redundancy
Set up Consul WAN federation to connect multiple datacenters for global service discovery and failover. This tutorial covers primary and secondary datacenter configuration with ACL token replication and cross-datacenter networking.
Optimize Cassandra data modeling and query performance with advanced tuning and monitoring
Master advanced Cassandra optimization with data modeling best practices, partition strategies, JVM tuning, and comprehensive monitoring. Learn to design efficient schemas, optimize queries, and implement Prometheus integration for production-grade performance.
Set up Varnish 7 cluster with load balancing across multiple backends
Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.
Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security
Configure Fail2ban to automatically add malicious IPs to Cloudflare's firewall rules for enhanced protection. This tutorial covers installation, custom filters, API integration, and monitoring for comprehensive security automation across your infrastructure.
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