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 Airflow DAG security and isolation with RBAC policies
Set up comprehensive security for Apache Airflow with role-based access control, DAG-level permissions, and resource isolation. Configure user authentication, implement fine-grained security policies, and establish monitoring for production-grade workflow orchestration.
Integrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs
Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.
Configure Apache Airflow performance optimization with connection pooling and resource tuning
Optimize Apache Airflow performance through advanced connection pooling, resource tuning, and Celery executor configuration. Learn to scale workers, configure database pools, and implement comprehensive monitoring for production workflows.
Implement Thanos multi-cluster federation for global Prometheus metrics aggregation
Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.
Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation
Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.
Configure MinIO high availability clustering for production with multi-node setup and automatic failover
Set up a production-ready MinIO cluster with multiple nodes, erasure coding, and automatic failover. This tutorial covers distributed mode configuration, load balancing with SSL termination, and health monitoring for enterprise object storage.
Advanced Nomad job templates and deployment strategies with rolling updates and canary deployments
Master production-grade Nomad job templates with HCL syntax, implement rolling updates with health checks, and deploy advanced blue-green and canary deployment patterns for resilient containerized workloads.
Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring
Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.
Integrate Consul with Kubernetes service discovery and automatic configuration
Set up Consul for dynamic service discovery in Kubernetes clusters with automatic service registration, health checks, and configuration management for microservices orchestration.
Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.
Set up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger
Configure end-to-end distributed tracing across Node.js and Python microservices using OpenTelemetry instrumentation and Jaeger backend with Elasticsearch for centralized trace collection and analysis.
Configure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics
Set up HPA with CPU and memory targets for automatic pod scaling. Configure metrics server and Prometheus adapter for custom metrics monitoring. Enable dynamic workload scaling based on resource utilization.
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