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
744

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
667

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
666

Configure network interface monitoring with ICMP ping and connectivity testing

networking
662

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

devops
647

Recently published

Configure NGINX rate limiting and DDoS protection with advanced security rules

security
4 hours ago

Configure centralized logging with rsyslog and logrotate for system monitoring and log management

linux
4 hours ago

Configure Kubernetes vertical pod autoscaler for resource optimization and cost management

devops
4 hours ago

Implement Kubernetes workload rightsizing with VPA recommendations and cost analysis

devops
9 hours ago

Configure Kubernetes cluster autoscaler with mixed instance types for cost optimization

devops
9 hours ago
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monitoring Intermediate

Configure Prometheus monitoring for ArgoCD with metrics collection and Grafana dashboards

Set up comprehensive ArgoCD monitoring with Prometheus metrics collection, custom service discovery, and Grafana dashboards. Configure alerting rules for deployment failures and performance issues to maintain GitOps visibility.

45 min 4 distros 11 views
monitoring Intermediate

Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability

Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.

45 min 4 distros 28 views
monitoring Intermediate

Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection

Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.

45 min 4 distros 10 views
networking Advanced

Configure Cilium BGP peering with MetalLB integration for Kubernetes load balancing

Set up Cilium CNI with BGP routing capabilities and integrate with MetalLB speaker components for bare-metal Kubernetes load balancing. This configuration enables external traffic routing and service discovery in on-premises environments.

45 min 4 distros 13 views
devops Advanced

Configure Istio ingress gateway with SSL certificates and custom domains for Kubernetes service mesh

Set up Istio ingress gateway with automated SSL certificate management using cert-manager, configure custom domain routing with VirtualService, and implement TLS termination for secure service mesh traffic.

35 min 4 distros 12 views
devops Intermediate

Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management

Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.

25 min 4 distros 18 views
monitoring Intermediate

Set up Zabbix 7 distributed monitoring with proxy servers for scalable infrastructure oversight

Configure Zabbix proxy servers to distribute monitoring loads across multiple network segments with encrypted communication, automated discovery, and centralized management for enterprise-scale infrastructure monitoring.

45 min 4 distros 66 views
monitoring Intermediate

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.

45 min 4 distros 28 views
networking Intermediate

Setup HAProxy with Docker container backends for dynamic load balancing

Configure HAProxy 2.8 to automatically discover and load balance traffic across Docker containers with health checks, service discovery, and SSL termination for production-grade dynamic routing.

35 min 4 distros 40 views
security Advanced

Secure Docker containers with Traefik reverse proxy and Authelia authentication

Set up a production-grade security stack using Traefik v3 reverse proxy with SSL automation and Authelia for multi-factor authentication. This tutorial covers Docker hardening, LDAP integration, and container security monitoring.

45 min 4 distros 41 views
hosting Intermediate

Configure NGINX reverse proxy with load balancing and SSL termination

Set up NGINX as a reverse proxy with multiple backend servers, SSL termination, and health monitoring. Perfect for distributing traffic across application instances while handling encryption at the edge.

45 min 4 distros 45 views
networking Advanced

Configure HAProxy advanced routing with ACLs and maps for intelligent traffic management

Set up sophisticated traffic routing in HAProxy using Access Control Lists (ACLs) and map files for dynamic backend selection, SSL SNI routing, and intelligent request distribution based on headers, paths, and custom conditions.

45 min 4 distros 53 views

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