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 Ollama for local AI models on Linux servers
devopsInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsIntegrate Jaeger with Istio service mesh for distributed tracing
devopsConfigure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsSecure Grafana with OAuth authentication and RBAC integration
Configure Grafana with OAuth SSO authentication, implement role-based access control (RBAC), and harden security with SSL certificates for enterprise-grade monitoring dashboard access.
Set up Prometheus Alertmanager webhook notifications for Loki log alerts with Grafana integration
Configure Prometheus Alertmanager to send webhook notifications for Loki log-based alerts with proper routing, templating, and Grafana dashboard integration for comprehensive monitoring.
Configure NGINX log analysis with Loki and Grafana for centralized monitoring
Set up Loki log aggregation with Promtail agent to collect NGINX logs and create Grafana dashboards for comprehensive web server monitoring and analysis.
Set up NGINX log analysis and monitoring with Prometheus and Grafana dashboards
Configure comprehensive NGINX monitoring with Prometheus exporters, structured log parsing, and real-time Grafana dashboards for web server observability and performance analysis.
Configure Prometheus Alertmanager for email and Slack notifications with webhook integration
Set up Prometheus Alertmanager to send critical alerts via email and Slack channels with custom webhook integration. This tutorial covers installation, SMTP configuration, routing rules, and alert notification testing.
Monitor PostgreSQL performance with pg_stat_statements extension for query analysis and optimization
Set up pg_stat_statements extension to collect query statistics, analyze slow queries, and optimize PostgreSQL database performance with automated monitoring alerts.
Configure WireGuard site-to-site VPN connections with advanced routing and security
Set up secure network-to-network VPN tunnels using WireGuard with advanced routing, firewall rules, and monitoring for connecting multiple office locations or data centers.
Set up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting
Configure Prometheus Blackbox Exporter to monitor website availability, SSL certificate expiry, and HTTP response times with comprehensive Grafana dashboards and alert rules.
Monitor WireGuard VPN server with Prometheus and Grafana dashboards
Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.
Setup Grafana alerting with Slack and Microsoft Teams integration
Configure Grafana's unified alerting system to send notifications to Slack and Microsoft Teams. Set up alert rules, notification policies, and webhook integrations for comprehensive monitoring coverage.
Set up Docker Compose monitoring stack with Prometheus and Grafana for AI model performance tracking
Deploy a complete monitoring stack using Docker Compose with Prometheus for metrics collection and Grafana for visualization, specifically configured to track AI model performance metrics like inference latency, throughput, and resource utilization.
Configure backup monitoring with Prometheus and Grafana for automated infrastructure oversight
Set up comprehensive backup monitoring using Prometheus exporters and Grafana dashboards. Configure automated alerts for backup failures, track success rates, and visualize backup infrastructure health across multiple systems.
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