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
681

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
650

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
639

Configure network interface monitoring with ICMP ping and connectivity testing

networking
636

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

devops
615

Recently published

Set up GitLab container registry mirror and proxy cache for improved performance

devops
1 hour ago

Configure SonarQube quality gates and custom rules for enterprise code analysis

devops
1 hour ago

Set up Consul multi-datacenter replication with ACL token replication

devops
1 hour ago

Set up Kafka Connect cluster with high availability and load balancing

devops
1 hour ago

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

devops
6 hours ago
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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 251 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 445 views
security Advanced

Configure ClamAV cluster scanning for high availability and enterprise threat detection

Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.

45 min 4 distros 456 views
performance Advanced

Configure Nginx Redis caching with SSL authentication and security hardening

Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.

45 min 4 distros 418 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 516 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 348 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 476 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 406 views
devops Intermediate

Configure Istio traffic management with virtual services and destination rules

Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.

25 min 4 distros 304 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 242 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 329 views

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