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 Node.js application monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive Node.js application monitoring using Prometheus metrics collection with the prom-client library and create custom Grafana dashboards for performance insights and alerting.
Configure Istio security policies with external authorization services integration
Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.
Implement Network Time Security (NTS) for encrypted time synchronization with chrony
Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.
Configure NTP monitoring with Grafana dashboards and Prometheus alerting
Set up comprehensive time synchronization monitoring using chrony, Prometheus node exporter, and custom Grafana dashboards with alerting for time drift and NTP service failures.
Configure advanced Jaeger sampling strategies for high-traffic environments
Configure probabilistic, adaptive, and remote sampling strategies for Jaeger distributed tracing to optimize performance and storage costs in high-throughput production environments while maintaining observability.
Configure Jaeger distributed tracing on Kubernetes cluster with Helm charts and Elasticsearch backend
Deploy Jaeger distributed tracing on Kubernetes using Helm charts with Elasticsearch backend storage. Configure ingress, SSL certificates, and Prometheus integration for production-ready distributed tracing observability.
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 MariaDB backup encryption with Mariabackup and automated restoration
Set up encrypted MariaDB backups using Mariabackup with AES encryption, automated scheduling, and verified restoration procedures for secure database protection.
Set up Spark Streaming with Kafka and Delta Lake for real-time analytics
Configure Apache Spark 3.5 with Kafka integration and Delta Lake support for building production-grade real-time analytics pipelines with ACID transactions and streaming capabilities.
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.
Monitor Caddy and Consul integration with Prometheus and Grafana dashboards
Set up comprehensive monitoring for Caddy reverse proxy and Consul service discovery with Prometheus metrics collection and Grafana dashboards for performance insights and alerting.
Configure ClamAV cluster with Kubernetes deployment for high availability antivirus scanning
Deploy a distributed ClamAV antivirus cluster on Kubernetes with persistent storage, load balancing, and monitoring for enterprise-grade threat detection and scanning.
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