Running Proxy.py as a Lightweight HTTP Proxy on EC2

Running Proxy.py on an EC2 instance and reaching it safely through an SSH tunnel, since the proxy has no authentication of its own.

Streaming OPC UA Data to Kinesis via SiteWise Edge Gateway

Bridging OPC UA telemetry to Kinesis Data Streams through SiteWise Edge Gateway and a custom Greengrass component.

Streamlining NDJSON Processing with Kinesis Firehose Dynamic Partitioning

Kinesis Data Firehose recently introduced support for dynamic partitioning. With this, developers no longer require Lambda functions just to convert to NDJSON (Newline Delimited JSON).

Performing OCR on Japanese PDFs Using Tesseract and Pytesseract

Extracting Japanese text from a PDF with Tesseract OCR v4 and pytesseract, including the normalization step needed to clean up the output.

Getting Started with Amazon SageMaker: Using Built-in Algorithms

Train and deploy a k-NN classifier on the Iris dataset using SageMaker Studio and built-in algorithms.

Querying Amazon Neptune with Gremlin

This note shows how to query Amazon Neptune graph data using Gremlin.

Configuring nginx Resolver Settings for ELB and Dynamic DNS Backends

When nginx sits behind ELB or other dynamic DNS backends, configure resolver settings so it does not keep stale IP addresses.

Angular Project Structure for Modularity and Reusability

This note outlines an Angular folder structure with core, features, and shared modules to keep the app modular and reusable.

Installing Python Packages Without Internet Access

This note describes how to install python packages without Internet connectivity.

Partition Projection in AWS Athena

Athena Partition Projection, introduced in June 2020, eliminates the need to run MSCK REPAIR TABLE to add new partitions manually.