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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Install and configure CockroachDB cluster with high availability and distributed SQL

databases
502

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

devops
465

Configure network interface monitoring with ICMP ping and connectivity testing

networking
457

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
453

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
453

Recently published

Monitor Elasticsearch cluster with Prometheus and Grafana dashboards

monitoring
20 minutes ago

Implement Redis backup automation with RDB and AOF persistence

databases
22 minutes ago

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

monitoring
25 minutes ago

Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation

monitoring
28 minutes ago

Configure SonarQube LDAP authentication and user management with Active Directory integration

security
5 hours ago
"clustering" × Clear all
devops Intermediate

Configure Node.js application logging with Winston and log rotation for production

Set up Winston logger with structured JSON logging, multiple transports, and automated log rotation using winston-daily-rotate-file for production Node.js applications. Configure comprehensive error handling and log management best practices.

25 min 4 distros 117 views
security Advanced

Implement Istio security policies with authorization and authentication for Kubernetes service mesh

Configure Istio service mesh security with mTLS authentication, JWT validation, and RBAC authorization policies. This tutorial covers implementing comprehensive security controls for microservices communication in production Kubernetes environments.

45 min 4 distros 139 views
monitoring Advanced

Set up Jaeger high availability clustering with load balancing and failover

Deploy a production-grade Jaeger distributed tracing cluster with Elasticsearch backend, load-balanced collectors, and automatic failover for enterprise-scale microservices monitoring.

45 min 4 distros 232 views
devops Advanced

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.

45 min 4 distros 328 views
networking Intermediate

Setup Caddy with Consul service discovery for dynamic load balancing

Configure Caddy web server to automatically discover backend services through Consul, enabling dynamic load balancing without manual configuration updates. This setup provides high availability and automatic failover for microservices architectures.

45 min 4 distros 167 views
devops Intermediate

Deploy Deno applications with Docker containers and production optimization

Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.

35 min 4 distros 144 views
performance Intermediate

Configure Node.js application clustering with PM2 and load balancing

Set up PM2 clustering to scale Node.js applications across CPU cores with NGINX load balancing. Monitor performance and optimize resource utilization for high-traffic production workloads.

25 min 4 distros 156 views
databases Intermediate

Implement Elasticsearch 8 index lifecycle management and retention policies

Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.

25 min 4 distros 334 views
security Intermediate

Implement FastAPI authentication with JWT and OAuth2 for secure API development

Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.

45 min 4 distros 347 views
hosting Advanced

Setup Tomcat 10 clustering with HAProxy load balancing for high availability

Configure Apache Tomcat 10 clustering with HAProxy load balancing to distribute traffic across multiple application server instances. Implement session replication and automatic failover for production-grade Java web applications with high availability and zero-downtime deployments.

45 min 4 distros 214 views
security Intermediate

Configure GitLab SAML authentication with Keycloak for enterprise SSO

Set up single sign-on (SSO) authentication between GitLab and Keycloak using SAML 2.0 protocol. This enables centralized user management and secure authentication for your GitLab instance through your existing identity provider infrastructure.

45 min 4 distros 201 views
performance Advanced

Implement Nginx Redis cluster caching for high availability

Set up a Redis cluster with Nginx caching for high availability and improved performance. This configuration provides distributed caching with automatic failover and enhanced scalability for production web applications.

45 min 4 distros 322 views

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