QYTANG EVOLUTION
Explore complete public sessions by year and follow how technology evolves.
This episode shows how Streamlit turns Python data scripts into shareable web applications without front-end development. It covers setup, execution,…
This two-part episode explains gRPC fundamentals, Protocol Buffers, service definitions, and client/server calls, then implements two communicating P…
This episode builds an interactive data-visualization application with Plotly Dash, covering application structure, components, callbacks, charts, an…
This episode introduces Robot Framework's keyword-driven automation, including standard libraries, test structure, execution, and reports. Network an…
This episode embeds Plotly Dash inside Django so routing, templates, and authentication can coexist with interactive Dash charts. It covers django-pl…
This six-chapter reading series explains Extended Detection and Response, its scope, and its value in security operations. It covers multi-source tel…
This three-part episode covers Cisco ISE 3.x cloud-first, visibility, and API features; infrastructure as code with Terraform; and Azure AD identity …
This two-chapter episode establishes AWS cloud-security fundamentals through the shared-responsibility model and core security services, then explore…
This episode converts private documents into embeddings stored in Qdrant and retrieves relevant context for GPT. It covers text chunking, embeddings,…
This episode introduces Red Hat's Podman and contrasts its daemonless, rootless architecture with Docker. Images, containers, networking, and common …
This episode demonstrates Yigeyun SASE from identity onboarding, clients, internal DNS, and application publishing to watermarking, acceleration, IT …
This episode explains how PyScript uses WebAssembly and Pyodide to run Python directly in the browser. It covers page embedding, package and custom-m…
This four-part episode reviews AI tools for data analysis with Noteable, slide creation with Gamma, video translation with Rask, and image generation…
This episode discusses how AI changes networking, systems, and infrastructure roles through technical assistance, configuration automation, and new s…
This episode compares ZTNA and traditional VPNs through access models, trust boundaries, and attack surfaces. Identity, context, policies, and trust …
This episode starts with traditional VPN limitations in cloud and SaaS environments, then compares SASE and SSE architectures and service boundaries.…
This episode explains GPT function calling: declaring external tools with structured schemas, letting the model select tools and arguments, executing…
This episode reflects on network-engineering skills as virtualization, containers, cloud networking, and infrastructure as code reshape the field. It…
This episode combines GPT function calling with network data sources such as NetBox so natural-language questions invoke deterministic query function…
This episode uses Python for speech recognition, covering audio input, speech-to-text conversion, and programmatic invocation. Companion code integra…
This episode introduces NAPALM's vendor-neutral network automation through drivers, connection parameters, getters, configuration loading, diffs, com…
This episode introduces LangChain's models, prompts, chains, tools, and agents, connecting them with Zapier, GPT-4 plugins, and workflow platforms. I…
This episode builds an automated configuration-backup pipeline from device inventory and collection to file storage and Git commits. Version history …
This two-part episode traces networking from hardware-centric command-line operations to virtualization, cloud, automation, and software-defined arch…
This episode combines GPT-4 function calling with NetBox, PyATS, and Elastic logs to build a Cisco network-automation assistant. Device, interface, O…
This episode uses the CiscoDevNet IOS XE provider to manage network configuration with Terraform, covering providers, resources, state, plans, and ap…
This episode explains Cisco NSO through NETCONF, YANG, device models, and service models. A service lab demonstrates repeatable cross-device configur…
This episode automates ASA SSL VPN certificate renewal by checking status, launching temporary cloud and NGINX resources, switching DNS, requesting c…
This episode introduces OpenConfig's vendor-neutral YANG models and compares native, IETF, and OpenConfig schemas. RESTCONF labs on Cisco IOS XE and …
This episode uses the PaloAltoNetworks PAN-OS provider to manage firewall objects and policies declaratively. It covers providers, authentication, re…
