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.

Browse by topic

Most viewed

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
425

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

devops
424

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
411

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
404

Install and configure WireGuard VPN server with client management

networking
402

Recently published

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

monitoring
7 hours ago

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

monitoring
7 hours ago

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

security
7 hours ago

Configure NGINX reverse proxy with advanced caching and load balancing

hosting
7 hours ago

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

monitoring
17 hours ago
"cluster" × Clear all
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 264 views
databases Advanced

Set up MongoDB 8.0 sharding cluster for horizontal scaling with replica sets and automated balancing

Configure a production-grade MongoDB 8.0 sharded cluster with replica sets, config servers, and mongos routers for horizontal scaling. This tutorial covers automated chunk balancing, high availability, and enterprise-ready deployment patterns.

45 min 4 distros 55 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 276 views
devops Advanced

Implement Kubernetes network policies with Calico CNI and OPA Gatekeeper for security enforcement

Secure your Kubernetes cluster with Calico CNI network policies and OPA Gatekeeper admission control. This tutorial shows you how to implement pod isolation, policy enforcement, and admission validation for production-grade security.

45 min 4 distros 165 views
databases Intermediate

Configure application connection pooling for CockroachDB with PgBouncer and HAProxy

Set up efficient connection pooling for CockroachDB applications using PgBouncer as a connection pool manager and HAProxy for load balancing across multiple database nodes. This configuration reduces database connection overhead and improves application performance.

45 min 4 distros 148 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 109 views
security Intermediate

Set up Node.js application security with Helmet and rate limiting

Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.

25 min 4 distros 171 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 146 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 128 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 254 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 233 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 132 views

Need help?

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.

Talk to an engineer