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
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
monitoringSet up centralized security monitoring with ClamAV 1.4 and Elasticsearch 8
Build a comprehensive security monitoring infrastructure with ClamAV antivirus scanning, Elasticsearch log storage, and automated threat detection. This setup provides real-time malware scanning with centralized log aggregation for enterprise security compliance.
Setup Gunicorn blue-green deployment with NGINX for zero downtime Python applications
Configure zero-downtime deployments for Python web applications using Gunicorn blue-green deployment strategy with NGINX reverse proxy, automated health checks, and rollback mechanisms for production reliability.
Implement Apache log analysis with GoAccess and ELK stack for real-time monitoring
Set up comprehensive Apache log monitoring with GoAccess for real-time analysis and ELK stack for centralized log processing, creating powerful Kibana dashboards for web server insights and automated alerting.
Implement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting
Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.
Configure Apache reverse proxy and load balancing for high availability
Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.
Configure ELK stack for centralized logging with Elasticsearch 8, Logstash 8, and Kibana 8
Set up a production-grade ELK stack with Elasticsearch 8, Logstash 8, and Kibana 8 for centralized log management. Configure authentication, SSL encryption, and log processing pipelines across multiple data sources.
Configure centralized logging with rsyslog and logrotate for system monitoring and log management
Set up a centralized logging system using rsyslog server to collect logs from multiple clients, implement TLS encryption for secure transmission, and configure logrotate for automated log rotation and management.
Implement Elasticsearch 8 snapshot lifecycle management with S3 storage for automated backups
Set up automated Elasticsearch 8 backups using snapshot lifecycle management policies with S3 repository storage. Configure retention policies, scheduling, and monitoring for production backup strategies.
Configure Elasticsearch 8 index lifecycle management with hot-warm-cold architecture for automated data tiering
Set up Elasticsearch 8 with hot-warm-cold node architecture and automated index lifecycle management policies to optimize storage costs and query performance. Configure ILM policies that automatically move data through different tiers based on age and usage patterns.
Configure Loki and Promtail for centralized Docker log aggregation and analysis
Set up Grafana Loki and Promtail to collect, aggregate, and analyze logs from Docker containers. Configure retention policies, integrate with Grafana for visualization, and enable real-time log monitoring across your infrastructure.
Configure Elasticsearch 8 cross-cluster replication for disaster recovery
Set up cross-cluster replication between Elasticsearch 8 clusters to ensure data resilience and business continuity. This advanced configuration creates automatic data synchronization across geographically distributed clusters for disaster recovery scenarios.
Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability
Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.
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