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.

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 367 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 426 views
devops Intermediate

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.

45 min 4 distros 400 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 359 views
security Intermediate

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.

45 min 4 distros 502 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 381 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 318 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 392 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 451 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 412 views
monitoring Intermediate

Set up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting

Configure Prometheus Blackbox Exporter to monitor website availability, SSL certificate expiry, and HTTP response times with comprehensive Grafana dashboards and alert rules.

45 min 4 distros 389 views
linux Beginner

Configure Linux file and directory ownership with chown and security best practices

Learn to properly configure file and directory ownership using chown, understand user and group permissions, and implement secure ownership patterns for web servers and applications.

25 min 6 distros 510 views

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