QYTANG EVOLUTION
Explore complete public sessions by year and follow how technology evolves.
This episode explains AWS CloudFormation template syntax and intrinsic functions, especially Ref and GetAtt, together with parameters, mappings, outp…
This episode addresses complex S3 bucket and IAM policies with S3 Access Points and their independent endpoints and policies. Network origins, princi…
This episode automates VMware vSphere with PyVmomi, covering vCenter connections, VM inventory, port groups, NIC state, and snapshots. It also handle…
This episode builds CI/CD from ECR to ECS and compares rolling updates with blue-green deployment. Code changes, image builds, task definitions, traf…
This two-part episode explains SAML 2.0 federation across identity providers, service providers, assertions, claims, and role mappings. An ADFS-to-AW…
This five-part episode compares API keys, IAM, Cognito, Google OAuth 2.0, and Lambda authorizers for API Gateway. Starting with Lambda-backed APIs, i…
This three-part episode builds a DingTalk automation service, implements bot replies and broadcasts, and manages the enterprise directory through API…
This episode builds a Redis cluster and moves Flask sessions from local memory to shared storage for multi-instance applications. Containerized Redis…
This episode describes APIs with Swagger/OpenAPI and generates a Flask server across paths, parameters, response models, and interactive documentatio…
This episode explains software load balancers through scalability, cost, automation, and cloud-native delivery. Layer 4 and Layer 7 forwarding, healt…
This two-part episode explains Linux Virtual Server and compares NAT and Direct Routing across packet paths, address translation, and return traffic.…
This episode configures Azure AD Connect for directory synchronization and then federates Cisco AnyConnect VPN with Azure SAML. ASA/FTD settings, ent…
This episode deploys VMware NSX Advanced Load Balancer (Avi) on AWS, beginning with image import, IAM roles, and networking before configuring contro…
This episode builds typed Python APIs with FastAPI across routes, parameters, Pydantic models, and OpenAPI. The API is then imported into Apifox for …
This episode uses GitLab Package Registry as a private Helm repository and automates chart packaging and publication through GitLab Runner pipelines.…
This three-part episode introduces Kubeapps, Helm fundamentals, and templating. Charts, repositories, releases, commands, values, variables, conditio…
This episode integrates Cisco Firepower Management Center, ISE Passive Identity Connector, and Active Directory to map users to network sessions. Ide…
This episode builds a network CI/CD pipeline with CML, GitLab, PyATS, RESTCONF, and automation scripts. Versioned topologies and configurations, test…
This episode uses NetBox as a network source of truth and dynamically builds Nornir inventory from it. Device, interface, and address modeling feed a…
This episode uses SQLAlchemy to map database tables, rows, and fields to Python classes, objects, and attributes. SQLite persistence, models, session…
This two-part episode drives Cisco configuration from NetBox: first synchronizing Nexus, then feeding Cisco NSO service configuration. Direct device …
This three-part episode covers SaltStack master/minion architecture, installation, authentication, network automation, and state management. An NGINX…
This episode federates AWS Client VPN with Okta through SAML, covering test tenants, enterprise applications, metadata, client VPN endpoints, and aut…
This 14-part series analyzes the AWS networking white paper across VPC peering, Transit Gateway, Transit VPC, PrivateLink, centralized networking, Di…
This episode extends CloudFormation with Lambda-backed custom resources for create, update, and delete operations. Service tokens, request and respon…
This episode implements Cisco zero-touch provisioning with Python. DHCP bootstrap information, script download, asset identification, template render…
This two-part episode explains how GraphQL schemas model connected data and let clients select exact fields in one request. REST comparisons, types, …
This ten-part lab covers Istio theory, Kubernetes and Istio installation, a microservices application, request routing, delay and fault injection, mu…
This episode inserts and scales Cisco virtual firewalls with AWS Gateway Load Balancer. GWLB endpoints, GENEVE encapsulation, route steering, statefu…
This six-part reading series explains intent-based networking through concepts, capabilities, intent expression, architecture, closed-loop analytics,…
