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
Implement Apache load balancing with SSL termination and health checks
hostingSetup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
Secure your Docker deployments by creating isolated custom bridge networks, implementing container segmentation, and configuring network access controls to prevent unauthorized communication between containers.
Set up container runtime security with Falco and Sysdig for threat detection
Configure Falco for runtime security monitoring and Sysdig Agent for container visibility to detect threats in Kubernetes environments. Implement behavioral analysis, custom security rules, and threat detection policies for production container workloads.
Configure Jaeger alerting with Prometheus and Grafana for distributed tracing observability
Set up comprehensive monitoring and alerting for Jaeger distributed tracing using Prometheus metrics collection and Grafana dashboards with automated alerts for trace performance issues.
Implement Spark SQL performance optimization with Catalyst optimizer and advanced tuning
Optimize Apache Spark 3.5 SQL performance using Catalyst optimizer with advanced query tuning, adaptive query execution, and production-grade configuration for high-throughput analytics workloads.
Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies
Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.
Configure Kubernetes secrets management with Vault integration for secure container orchestration
Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.
Configure Prometheus Alertmanager with Slack integration for team notifications
Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.
Set up GitLab CI/CD with Kubernetes runners for scalable deployments
Configure GitLab Runner with Kubernetes executor to automatically scale CI/CD workloads. Set up RBAC permissions, deploy pipelines to Kubernetes clusters, and implement resource management policies for efficient container orchestration.
Configure Prometheus alerting with AlertManager notifications and webhook integration
Set up AlertManager to handle Prometheus alerts with email, Slack, and webhook notifications. Configure alerting rules, notification channels, and test the complete alerting pipeline.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.
Set up Alertmanager with email and Slack notifications for monitoring alerts
Configure Prometheus Alertmanager with email SMTP and Slack webhook integrations for comprehensive monitoring notifications. Set up alert routing rules and test notification delivery.
Configure automated system maintenance with advanced cron scheduling and shell scripts
Set up comprehensive automated system maintenance using advanced cron scheduling patterns, custom shell scripts, and monitoring alerts to ensure optimal server performance and reliability.
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