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
monitoringImplement Jaeger security with TLS encryption and authentication for distributed tracing
Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.
Configure OpenTelemetry sampling strategies for high-traffic applications
Learn how to implement probabilistic, deterministic, and adaptive sampling strategies in OpenTelemetry to optimize distributed tracing performance and reduce storage costs in high-traffic production environments.
Configure Jaeger data retention policies and automated archiving with Elasticsearch backend
Learn to configure Jaeger data retention policies with Elasticsearch backend for automated trace archiving. This tutorial covers index lifecycle management, storage optimization, and performance monitoring to prevent disk space issues while maintaining observability requirements.
Set up Redis monitoring with Prometheus and Grafana dashboards
Configure comprehensive Redis monitoring using Prometheus Redis Exporter and Grafana dashboards. Monitor Redis performance metrics, memory usage, connections, and replication status with automated alerts for production environments.
Configure Node.js application logging with Winston and log rotation for production
Set up Winston logger with structured JSON logging, multiple transports, and automated log rotation using winston-daily-rotate-file for production Node.js applications. Configure comprehensive error handling and log management best practices.
Set up Jaeger high availability clustering with load balancing and failover
Deploy a production-grade Jaeger distributed tracing cluster with Elasticsearch backend, load-balanced collectors, and automatic failover for enterprise-scale microservices monitoring.
Configure Apache rate limiting and DDoS protection with mod_security and mod_evasive
Set up comprehensive Apache protection against DDoS attacks and malicious traffic using mod_evasive for rate limiting, mod_security with OWASP rules for web application firewall capabilities, and fail2ban integration for automated IP blocking.
Implement Elasticsearch 8 index lifecycle management and retention policies
Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.
Configure ClamAV cluster scanning for high availability and enterprise threat detection
Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.
Monitor Linux system resources with performance alerts and automated responses
Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.
Set up Node.js application security with Helmet and rate limiting
Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.
Configure Kibana LDAP authentication and RBAC with Active Directory integration
Set up secure Kibana authentication using Active Directory LDAP with role-based access control to manage user permissions and streamline enterprise login workflows. This tutorial covers Elasticsearch security configuration, LDAP realm setup, and user role mappings.
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