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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure HAProxy with Consul for dynamic service discovery and automatic backend updates
networkingImplement Istio multi-cluster canary deployments and traffic splitting
devopsImplement HAProxy WAF integration with ModSecurity 3 for advanced threat protection
securityConfigure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingMonitor Varnish 7 performance with Prometheus and Grafana dashboards
Set up comprehensive Varnish monitoring using prometheus-varnish-exporter, custom Grafana dashboards, and performance alerting rules for production cache optimization.
Set up Kubernetes monitoring with Prometheus Operator and custom metrics
Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.
Implement Istio observability with Jaeger tracing and Kiali dashboard for Kubernetes service mesh
Configure comprehensive observability for your Kubernetes service mesh with Jaeger distributed tracing, Kiali visualization, and Prometheus metrics integration. Get complete visibility into microservice communication patterns, performance bottlenecks, and service dependencies.
Configure advanced Grafana dashboards and alerting with Prometheus integration
Build production-ready Grafana dashboards with dynamic variables, custom panels, and sophisticated alert rules. Integrate Prometheus metrics for comprehensive monitoring with multi-condition alerting and notification channels.
Configure Redis 7 cluster sharding with SSL/TLS authentication and security hardening
Set up a production-ready Redis 7 cluster with automatic sharding, SSL/TLS encryption, authentication, and comprehensive security hardening for high availability and data protection.
Set up Kubernetes persistent volume snapshots and backup automation
Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.
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 OpenResty load balancing with upstream health checks and automatic failover
Set up OpenResty with intelligent load balancing across multiple backend servers, health monitoring, and automatic failover to maintain high availability for web applications.
Setup Elasticsearch 8 index lifecycle management for automated log retention and storage optimization
Configure Elasticsearch 8 ILM policies to automatically manage log data through hot-warm-cold phases, optimize storage costs, and enforce retention policies for production workloads.
Configure MySQL binary log backup and point-in-time recovery
Set up automated MySQL binary log backup with rotation and implement point-in-time recovery procedures for complete database disaster recovery and operational continuity.
Set up MySQL backup monitoring with Prometheus alerts and Grafana dashboards
Monitor MySQL backup health with automated mysqldump, Prometheus metrics collection, and Grafana dashboards. Get instant alerts when backups fail or take too long.
Set up PHP application performance monitoring with APM tools and real-time metrics collection
Monitor PHP application performance with New Relic APM and Elastic APM, implement custom metrics collection, and set up comprehensive Grafana dashboards for real-time application observability and performance optimization.
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