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
Optimize MongoDB 8.0 performance with advanced indexing strategies and aggregation pipelines
databasesConfigure ClamAV cluster with Kubernetes deployment for high availability antivirus scanning
securityOptimize Elasticsearch 8 search performance with custom analyzers and field mappings
databasesConfigure CockroachDB SSL encryption and security hardening
securityConfigure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
monitoringImplement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting
Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.
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.
Set up Linux storage monitoring with smartmontools and automated health alerts
Monitor disk health and prevent storage failures with S.M.A.R.T monitoring, automated email alerts, and custom dashboards. Covers smartd daemon configuration, health checks, and integration with monitoring systems.
Implement log-based monitoring and alerting with Grafana and Loki
Set up comprehensive log aggregation with Loki, centralized visualization with Grafana dashboards, and automated alerting rules for proactive incident response across your infrastructure.
Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups
Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.
Monitor nginx performance with Prometheus and Grafana using nginx-prometheus-exporter
Set up comprehensive nginx monitoring with Prometheus and Grafana dashboards. Configure nginx stub_status, deploy nginx-prometheus-exporter, and create production-ready alerts for web server performance metrics.
Integrate SonarQube with Jenkins pipeline for automated code quality checks
Set up continuous code quality analysis by integrating SonarQube with Jenkins CI/CD pipelines. This tutorial covers SonarQube Scanner installation, webhook configuration, quality gates, and automated reporting for enforcing code standards across your development workflow.
Implement Grafana advanced alerting with webhooks and notification channels
Set up comprehensive Grafana alerting with webhook endpoints, Slack and Teams notifications, and advanced alert conditions. Configure data sources, create alert rules, and implement custom notification channels for production monitoring.
Configure Zabbix 7 email and SMS alerting with escalation rules and notification automation
Set up comprehensive alerting in Zabbix 7 with email notifications, SMS gateway integration, and automated escalation chains. Configure media types, user groups, and action filters for effective incident response workflows.
Configure Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
Set up Prometheus Blackbox Exporter to monitor HTTP, HTTPS, DNS, TCP, and ICMP endpoints with SSL certificate validation and automated alerting for comprehensive uptime monitoring.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete monitoring solution using Prometheus for metrics collection and Grafana for visualization with Docker Compose. This setup provides comprehensive system monitoring, alerting capabilities, and customizable dashboards.
Set up InfluxDB alerting with Kapacitor and notifications
Configure comprehensive alerting for InfluxDB using Kapacitor with email, Slack, and webhook notifications. Set up real-time monitoring, thresholds, and automated responses for time-series data anomalies.
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