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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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
662

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
626

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

devops
613

Recently published

Implement Podman pod security with network policies and microsegmentation

security
7 hours ago

Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments

devops
7 hours ago

Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers

networking
7 hours ago

Configure custom Grafana plugins for specialized monitoring requirements

monitoring
12 hours ago

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

monitoring
12 hours ago
"certificates" × Clear all
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 280 views
monitoring Intermediate

Monitor HAProxy and Consul with Prometheus and Grafana dashboards

Configure comprehensive monitoring for HAProxy load balancer and Consul service discovery using Prometheus metrics collection and Grafana visualization dashboards. This tutorial covers setting up exporters, configuring scraping targets, and creating production-ready monitoring dashboards.

45 min 4 distros 481 views
security Intermediate

Configure Kibana LDAP authentication and RBAC with Active Directory integration

Set up secure Kibana authentication using Active Directory LDAP with role-based access control to manage user permissions and streamline enterprise login workflows. This tutorial covers Elasticsearch security configuration, LDAP realm setup, and user role mappings.

45 min 4 distros 345 views
security Advanced

Setup Elasticsearch 8 SSL/TLS encryption and advanced security hardening with authentication and access control

Secure your Elasticsearch 8 cluster with comprehensive SSL/TLS encryption, user authentication, role-based access control, and network hardening. This tutorial covers production-grade security configuration to protect your search infrastructure.

45 min 4 distros 473 views
networking Intermediate

Configure NGINX load balancing with health checks and automatic failover

Set up NGINX as a load balancer with upstream servers, active health checks, and automatic failover capabilities. This tutorial covers round-robin, least-connections, and IP-hash load balancing methods with real-time backend monitoring.

25 min 4 distros 400 views
performance Intermediate

Configure Lighttpd 1.4 with Redis caching for high-performance websites

Set up Lighttpd web server with Redis caching to dramatically improve website performance through intelligent content caching, reducing server load and response times for high-traffic applications.

25 min 4 distros 459 views
devops Intermediate

Configure Kubernetes persistent volumes with NFS storage for container data persistence

Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.

25 min 4 distros 269 views
security Advanced

Setup Elasticsearch 8 authentication with LDAP and Active Directory integration

Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.

45 min 4 distros 240 views
security Advanced

Implement OpenResty JWT authentication with OAuth2 integration for secure web applications

Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.

45 min 4 distros 418 views
security Advanced

Configure Redis Sentinel with SSL/TLS encryption and authentication for high availability

Set up a production-grade Redis Sentinel cluster with SSL/TLS encryption, authentication, and automatic failover for high availability. This tutorial covers certificate generation, security configuration, and monitoring setup.

45 min 4 distros 328 views
monitoring Intermediate

Setup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)

Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.

45 min 4 distros 402 views
hosting Intermediate

Deploy Django application with Gunicorn and PostgreSQL database migrations

Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

35 min 4 distros 508 views

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