QYTANG EVOLUTION
Explore complete public sessions by year and follow how technology evolves.
This episode explains AWS Lambda event-driven, pay-per-invocation computing and builds a serverless API with API Gateway. It covers runtimes, permiss…
This episode deploys a Python Flask application with Elastic Beanstalk, covering EC2, load balancing, autoscaling, application versions, environment …
This episode uses AWS Systems Manager for instance management and remote commands, then covers incremental EBS snapshots and recovery. It connects pe…
This episode runs edge applications on Cisco IOx and manages their lifecycle with Fog Director. It covers packaging, resource and network mappings, i…
This episode integrates Redis with Django, covering cache backends, keys, expiration, page and query caching, performance testing, invalidation, cons…
This episode builds an AWS-native delivery pipeline with CodeCommit, CodeDeploy, and CodePipeline, covering repositories, artifacts, stages, IAM role…
This episode goes beyond basic ACL syntax to examine standard, extended, reflexive, dynamic, and time-based controls across routed control and data p…
This AWS certification reading episode covers the shared-responsibility model, regions and availability zones, EC2 instances, images, storage, networ…
This episode covers S3 object storage, Glacier archives, lifecycle policies, and VPC networking through subnets, routing, gateways, and security cont…
This episode compares AWS database services such as RDS and DynamoDB and explains IAM users, groups, roles, policies, least privilege, authentication…
This episode connects CloudTrail, CloudWatch, AWS Config, Route 53, and CloudFront for auditing, metrics and alarms, configuration compliance, DNS ro…
This episode imports Huawei images into EVE-NG, builds a lab topology, and wraps device connectivity, commands, and configuration in Python automatio…
This episode calls cloud image-recognition APIs from Python, covering credentials, tokens, request encoding, image upload, JSON parsing, reusable wra…
This episode configures AWS VPC peering, routing tables, security groups, DNS resolution, and bidirectional validation, including non-transitive rout…
This episode covers CloudFormation templates, parameters, resources, outputs, dependencies, stack lifecycle, change sets, rollback, reusable snippets…
This episode installs Splunk and configures inputs, indexes, searches, dashboards, SPL queries, field extraction, alerts, and apps for network logs a…
This episode uses Pillow for loading, cropping, resizing, rotating, filtering, drawing text, format conversion, color modes, and batch image-processi…
This episode covers Terraform configuration, providers, state, variables, and Terraform Cloud workspaces, remote state, runs, collaboration, review, …
This episode uses Cisco PSIRT openVuln APIs to query advisories by product, version, date, and severity, covering OAuth, REST requests, JSON parsing,…
This episode integrates Cisco AnyConnect VPN with multi-factor authentication, covering RADIUS or SAML, identity sources, policies, login flow, clien…
This episode uses Python to write, query, and manage InfluxDB time-series data, covering measurements, tags, fields, timestamps, batching, and monito…
This episode adds realtime bidirectional communication to Django 3 with ASGI and WebSockets, covering async servers, routing, connection lifecycle, f…
This episode builds PostgreSQL read replicas and uses Django database routers to separate reads and writes, covering replication, connections, routin…
This episode maps the modern network engineer's skills across cloud, automation, software, observability, and security, connecting CLI expertise with…
This episode builds Python microservices with Nameko, covering services, RPC, events, dependency injection, messaging, Compose deployment, calls, res…
This episode uses ThousandEyes endpoint, enterprise, and cloud agents for HTTP, DNS, and network tests, analyzing hops, latency, loss, dependencies, …
This episode installs a Kubernetes cluster with kubeadm, covering the container runtime, control plane, worker joins, networking plugins, tokens, val…
This episode introduces Cisco NSO YANG service models, device management, transactions, FastMap, multi-vendor configuration, service creation, deploy…
This episode uses the snmp_exporter generator to convert MIBs and OIDs into Prometheus modules, covering authentication, walks, label mappings, scrap…
This episode implements Identity PSK on Cisco C9800, assigning per-user or per-device keys and policies. It covers WLAN and policy configuration, RAD…
