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
869

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

security
753

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
732

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
725

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
714

Recently published

Configure OSSEC active response for automated threat blocking

security
10 minutes ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
11 minutes ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
14 minutes ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
16 minutes ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
5 hours ago
"NAT" × Clear all
security Intermediate

Configure Grafana LDAP authentication and role-based access control with Active Directory integration

Set up Grafana with LDAP authentication to connect with Active Directory, configure role-based access control for teams, and implement production-ready security policies for enterprise environments.

25 min 4 distros 98 views
devops Advanced

Integrate GitLab with Kubernetes for automated deployments using CI/CD pipelines and runners

Set up GitLab CI/CD pipelines with Kubernetes runners for automated application deployments. Configure RBAC, implement rolling updates, and establish production-grade deployment strategies.

45 min 4 distros 25 views
devops Intermediate

Deploy Consul Template for dynamic configuration management with systemd integration

Set up Consul Template to automatically generate configuration files from Consul key-value pairs and service discovery data. This tutorial covers installation, template creation, systemd service configuration, and monitoring setup for production environments.

25 min 4 distros 42 views
devops Intermediate

Configure Kubernetes OpenTelemetry auto-instrumentation for microservices observability

Set up OpenTelemetry Operator in Kubernetes to automatically instrument microservices with distributed tracing. Enable seamless observability across your application stack without modifying application code.

45 min 4 distros 26 views
monitoring Intermediate

Configure NGINX log analysis with Loki and Grafana for centralized monitoring

Set up Loki log aggregation with Promtail agent to collect NGINX logs and create Grafana dashboards for comprehensive web server monitoring and analysis.

45 min 4 distros 39 views
networking Intermediate

Setup HAProxy with Docker container backends for dynamic load balancing

Configure HAProxy 2.8 to automatically discover and load balance traffic across Docker containers with health checks, service discovery, and SSL termination for production-grade dynamic routing.

35 min 4 distros 83 views
devops Advanced

Integrate HashiCorp Vault with Kubernetes secrets management for secure container orchestration

Configure HashiCorp Vault integration with Kubernetes using the Vault CSI driver and Secrets Operator for automated secret injection and synchronization. This setup enables secure secret management for containerized applications with dynamic secret rotation and policy-based access controls.

45 min 4 distros 59 views
security Intermediate

Configure Vault dynamic secrets for databases with PostgreSQL and MySQL integration

Set up HashiCorp Vault's database secrets engine to automatically generate short-lived credentials for PostgreSQL and MySQL databases, improving security by eliminating static passwords and enabling automated credential rotation.

45 min 4 distros 74 views
security Intermediate

Set up Vault as a PKI certificate authority with SSL automation and intermediate CA

Build a production-grade PKI infrastructure using HashiCorp Vault with root and intermediate certificate authorities. Enable automated SSL certificate generation and renewal for your applications with RBAC policies.

45 min 4 distros 60 views
security Advanced

Secure Docker containers with Traefik reverse proxy and Authelia authentication

Set up a production-grade security stack using Traefik v3 reverse proxy with SSL automation and Authelia for multi-factor authentication. This tutorial covers Docker hardening, LDAP integration, and container security monitoring.

45 min 4 distros 69 views
hosting Intermediate

Configure NGINX reverse proxy with load balancing and SSL termination

Set up NGINX as a reverse proxy with multiple backend servers, SSL termination, and health monitoring. Perfect for distributing traffic across application instances while handling encryption at the edge.

45 min 4 distros 76 views
devops Intermediate

Integrate MinIO with Kubernetes for persistent storage and object data management

Deploy MinIO on Kubernetes using the operator for scalable object storage. Configure persistent volumes, high availability tenants, and secure ingress with SSL certificates.

45 min 4 distros 72 views

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