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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Implement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
databasesMonitor MariaDB Galera cluster with Prometheus and Grafana for high availability insights
Configure comprehensive monitoring for MariaDB Galera clusters using Prometheus exporters and Grafana dashboards to track cluster health, replication status, and performance metrics with automated alerting for production environments.
Implement Varnish cache warming with Kubernetes CronJobs
Set up automated Varnish cache warming using Kubernetes CronJobs to preload frequently accessed content and improve website performance. This tutorial covers creating cache warming scripts, Docker containers, and automated scheduling for production environments.
Monitor Elasticsearch cluster with Prometheus and Grafana dashboards
Set up comprehensive Elasticsearch cluster monitoring using Prometheus Elasticsearch Exporter and Grafana dashboards. Configure alerting rules for cluster health, performance metrics, and automated notifications.
Implement Redis backup automation with RDB and AOF persistence
Set up automated Redis backups using RDB snapshots and AOF logging with verification scripts and monitoring alerts. Configure persistent data storage, automated backup scheduling, and comprehensive backup validation for production Redis deployments.
Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards
Configure comprehensive monitoring for keepalived VRRP clusters using Prometheus metrics collection, alerting rules for failover events, and Grafana dashboards for high availability visualization.
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.
Optimize CockroachDB 24.3 performance with advanced tuning and configuration
Master advanced CockroachDB 24.3 performance optimization through memory, CPU, storage, and query tuning. Configure cluster parameters, connection pooling, and indexing strategies for production-grade distributed SQL workloads.
Configure system backup automation with BorgBackup and systemd timers
Set up automated, deduplicated backups with BorgBackup and systemd timers for reliable system protection. This tutorial covers installation, repository setup with encryption, automated scheduling, and monitoring for production environments.
Configure Linux system performance monitoring with sar and sysstat for real-time metrics collection
Set up comprehensive system performance monitoring using sar and sysstat to collect CPU, memory, disk I/O, and network metrics with automated reporting and custom alerting for production Linux servers.
Set up ClickHouse monitoring with Prometheus and Grafana dashboards
Configure comprehensive ClickHouse monitoring using Prometheus for metrics collection and Grafana for visualization. Set up system metrics, query performance monitoring, and alerting rules for production ClickHouse deployments.
Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting
Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.
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