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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsConfigure Linux system time synchronization with chrony and NTP hardening
linuxRecently published
Configure Kubernetes network policies for enhanced cluster security
securitySet up Kubernetes persistent volume snapshots and backup automation
devopsImplement Kafka Streams exactly-once processing semantics with Java applications
devopsImplement ClickHouse backup automation with compression and S3 integration
databasesInstall and configure Filebeat 8.15 for efficient log shipping to ELK stack
monitoringConfigure Prometheus monitoring for ArgoCD with metrics collection and Grafana dashboards
Set up comprehensive ArgoCD monitoring with Prometheus metrics collection, custom service discovery, and Grafana dashboards. Configure alerting rules for deployment failures and performance issues to maintain GitOps visibility.
Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability
Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.
Optimize NGINX performance for high-traffic websites with advanced configuration and tuning
Configure NGINX for maximum performance with worker process optimization, advanced caching strategies, HTTP/2 tuning, and security hardening for high-traffic production environments.
Configure ClickHouse materialized views for real-time analytics with performance optimization
Set up ClickHouse materialized views to transform raw data into real-time aggregations. Configure performance optimization with memory tuning and monitoring for high-throughput analytics workloads.
Set up Apache Airflow DAG security policies and data governance with RBAC and audit logging
Configure comprehensive security for Apache Airflow with role-based access control, DAG-level permissions, data lineage tracking, and audit logging for compliance monitoring in production environments.
Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection
Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.
Configure Apache Airflow with SSL certificates and NGINX reverse proxy for secure production deployment
Set up Apache Airflow behind NGINX with SSL certificates, security headers, and reverse proxy configuration for production-grade deployments with HTTPS termination.
Configure Cilium BGP peering with MetalLB integration for Kubernetes load balancing
Set up Cilium CNI with BGP routing capabilities and integrate with MetalLB speaker components for bare-metal Kubernetes load balancing. This configuration enables external traffic routing and service discovery in on-premises environments.
Set up Nomad multi-node cluster with TLS encryption and Consul integration
Deploy a production-ready HashiCorp Nomad cluster with server and client nodes, TLS encryption, and Consul integration for service discovery. Includes workload deployment and monitoring configuration.
Install and configure ArgoCD Image Updater for automatic Kubernetes deployments with GitOps automation
Set up ArgoCD Image Updater to automatically monitor container registries and update Kubernetes deployments when new image versions are available. Configure GitOps workflows with automated Git commits and Prometheus monitoring for seamless CI/CD integration.
Implement Istio circuit breaker and retry policies for microservices resilience and fault tolerance
Configure Istio destination rules with circuit breaker patterns, implement retry policies with exponential backoff, and set up comprehensive fault injection testing for microservices resilience in Kubernetes service mesh environments.
Configure Istio ingress gateway with SSL certificates and custom domains for Kubernetes service mesh
Set up Istio ingress gateway with automated SSL certificate management using cert-manager, configure custom domain routing with VirtualService, and implement TLS termination for secure service mesh traffic.
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