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 CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure WireGuard VPN server with client management
networkingInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Integrate Consul with Kubernetes service discovery and automatic configuration
devopsSetup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
devopsSet up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger
monitoringConfigure Istio security policies with mutual TLS and authorization for Kubernetes service mesh
devopsSet up Jaeger multi-datacenter replication for disaster recovery and high availability
monitoringSetup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.
Configure Istio security policies with mutual TLS and authorization for Kubernetes service mesh
Configure mutual TLS authentication and authorization policies in Istio service mesh for secure microservices communication. This tutorial covers PeerAuthentication, AuthorizationPolicy, and RBAC configuration for production Kubernetes environments.
Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.
Integrate Nexus Repository with Kubernetes and Docker registry authentication
Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.
Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning
Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.
Install and configure Helm 3 for Kubernetes package management with security and private repositories
Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.
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