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.

monitoring Advanced

Set up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing

Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.

90 min 4 distros 869 views
security Intermediate

Configure Keycloak custom themes and branding with SSL integration and production deployment

Set up custom Keycloak themes with your organization's branding, implement SSL certificates, and deploy to production with hot reload development workflow and performance optimization.

45 min 4 distros 745 views
security Advanced

Configure advanced iptables firewall rules with logging, port knocking, and DDoS protection

Build a production-grade iptables firewall with connection tracking, rate limiting, and port knocking. Includes automated DDoS protection, detailed logging, and security hardening for enterprise environments.

45 min 4 distros 816 views
security Intermediate

Configure Nexus Repository Manager LDAP authentication for enterprise user management

Set up LDAP authentication for Nexus Repository Manager to enable centralized enterprise user management and seamless integration with Active Directory for secure artifact repository access.

25 min 4 distros 865 views
security Advanced

Setup 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.

45 min 4 distros 934 views
security Intermediate

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.

45 min 4 distros 743 views
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 818 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 678 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 680 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 711 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 859 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 1,145 views

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