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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Set up centralized logging with Winston and Elasticsearch for Node.js applications
monitoringConfigure GitLab backup automation with GPG encryption
devopsConfigure Node.js SSL certificates and HTTPS security hardening for production servers
securityImplement Node.js application monitoring with Prometheus metrics collection and Grafana dashboards
monitoringConfigure advanced nftables logging and monitoring for network security
securitySetup Keycloak SAML integration for enterprise single sign-on with identity providers
Configure Keycloak as a SAML identity provider for enterprise SSO, integrate with external identity providers, and implement secure SAML service provider connections with attribute mapping.
Configure Keycloak OAuth2 integration with web applications using OIDC and JWT tokens
Set up Keycloak as an OAuth2 identity provider with OIDC authentication flows. Configure client applications, implement JWT token validation, and secure NGINX reverse proxy with lua-resty-openidc for production web applications.
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.
Deploy applications to Kubernetes with Helm charts and production best practices
Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.
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.
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.
Secure Grafana with OAuth authentication and RBAC integration
Configure Grafana with OAuth SSO authentication, implement role-based access control (RBAC), and harden security with SSL certificates for enterprise-grade monitoring dashboard access.
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.
Implement Kafka Streams processing applications with Java and Scala for real-time data analytics
Build production-ready Kafka Streams applications using Java and Scala for real-time data processing, including stateless transformations, stateful aggregations, windowing, and stream joins with exactly-once semantics.
Setup Kafka Schema Registry with Avro serialization for data processing
Configure Confluent Schema Registry with Avro serialization for production Kafka deployments. Includes schema evolution, producer/consumer integration, and SSL security configuration.
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.
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.
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