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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Configure Linux system time synchronization with chrony and NTP hardening

linux
663

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
649

Configure network interface monitoring with ICMP ping and connectivity testing

networking
629

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
628

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
613

Recently published

Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability

devops
31 minutes ago

Set up Zabbix proxy for distributed network monitoring

monitoring
33 minutes ago

Implement Envoy proxy JWT authentication with OAuth2 integration

security
35 minutes ago

Configure Kafka Streams for real-time data processing and analytics

devops
38 minutes ago

Implement Podman pod security with network policies and microsegmentation

security
9 hours ago
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monitoring Intermediate

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.

45 min 4 distros 64 views
monitoring Intermediate

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.

25 min 4 distros 38 views
databases Intermediate

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.

25 min 4 distros 37 views
networking Intermediate

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.

45 min 4 distros 27 views
databases Intermediate

Install and configure PgBouncer for PostgreSQL connection pooling with performance optimization

Set up PgBouncer to efficiently manage PostgreSQL connections, reduce database load, and improve application performance with proper authentication and monitoring.

25 min 4 distros 34 views
devops Intermediate

Deploy Podman containers with Kubernetes YAML manifests and kubectl integration

Learn how to deploy and manage Podman containers using Kubernetes YAML manifests with kubectl integration. This tutorial covers systemd user services, YAML generation, pod networking, and volume management.

25 min 4 distros 30 views
monitoring Intermediate

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.

45 min 4 distros 39 views
monitoring Intermediate

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.

25 min 4 distros 29 views
devops Intermediate

Configure Traefik with Consul service discovery for dynamic load balancing

Set up Traefik 3.1 reverse proxy with Consul service discovery to automatically route traffic to services without manual configuration. Learn dynamic routing, SSL automation, health checks, and monitoring setup for production environments.

25 min 4 distros 39 views
hosting Intermediate

Configure nginx reverse proxy for Podman containers with SSL and load balancing

Set up nginx as a reverse proxy for Podman containers with SSL termination, health checks, and load balancing. Includes automated SSL certificate management with Let's Encrypt and container integration.

45 min 4 distros 49 views
linux Intermediate

Automate backup and restore for Ollama models with systemd timers and shell scripts

Set up automated backup and restore procedures for Ollama AI models using systemd timers, shell scripts, and compression. Includes disaster recovery strategies and monitoring integration for production environments.

45 min 4 distros 49 views
monitoring Intermediate

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.

45 min 4 distros 40 views

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