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
Set up Spark Streaming with Kafka and Delta Lake for real-time analytics
devopsImplement Spark SQL performance optimization with Catalyst optimizer and advanced tuning
performanceConfigure MariaDB 11.6 performance monitoring with Prometheus and Grafana dashboards
monitoringConfigure PM2 log rotation and advanced monitoring with Prometheus integration
monitoringConfigure MariaDB Galera cluster for multi-master replication with automatic failover
databasesConfigure MySQL connection pooling with ProxySQL 2.6 for high availability and performance optimization
Set up ProxySQL 2.6 to manage MySQL connection pooling, load balancing, and automatic failover. This tutorial covers backend server configuration, health checks, query routing rules, and monitoring for production MySQL environments.
Monitor MySQL performance with Prometheus and Grafana dashboards
Set up comprehensive MySQL monitoring with Prometheus MySQL Exporter and Grafana dashboards. Track query performance, connections, replication lag, and resource usage with automated alerts for production database health.
Implement Lighttpd 1.4 load balancing with multiple backend servers for high availability
Configure Lighttpd 1.4 with mod_proxy for load balancing across multiple backend web servers. Set up health checks, SSL termination, and failover mechanisms for production environments.
Implement MySQL backup automation with Percona XtraBackup and systemd timers
Set up automated MySQL hot backups with Percona XtraBackup, systemd timers, compression, and encryption. Configure backup verification, retention policies, and restoration procedures for production-ready database backup automation.
Configure Linux filesystem tuning and optimization for database workloads
Optimize Linux filesystem performance for database workloads by configuring mount options, I/O schedulers, and kernel parameters to maximize database throughput and minimize latency.
Setup MySQL replication with GTID and automatic failover
Configure MySQL 8.0 master-slave replication using GTID for reliable data synchronization, then implement MySQL High Availability (MHA) for automatic failover detection and promotion.
Configure Apache reverse proxy and load balancing for high availability
Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.
Configure Kubernetes cluster autoscaler with mixed instance types for cost optimization
Set up Kubernetes cluster autoscaler 1.30 with mixed instance types and spot instances to automatically scale nodes based on demand while minimizing infrastructure costs through intelligent instance selection and workload optimization.
Implement WireGuard multi-site mesh networking with automatic routing and failover
Deploy a scalable WireGuard mesh network across multiple sites with automatic routing, failover mechanisms, and centralized management for high-availability site-to-site connectivity.
Set up Kubernetes custom metrics autoscaling with Prometheus adapter for application-specific scaling
Configure Prometheus adapter to expose custom application metrics to Kubernetes Horizontal Pod Autoscaler for intelligent scaling based on business metrics like queue depth, response time, and user load instead of basic CPU/memory usage.
Configure ArgoCD with SonarQube quality gates for GitOps deployment validation
Set up automated quality gate validation in ArgoCD using SonarQube webhooks and pre-sync hooks to prevent deployments that fail code quality standards. This integration ensures only code that passes your quality criteria gets deployed to production.
Implement Airflow load balancing with Celery executor for high availability workflows
Set up Apache Airflow with Celery executor, Redis cluster backend, HAProxy load balancing, and auto-scaling workers for production-grade workflow orchestration with high availability.
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