Month: October 2020

Cloud Service Image
AWS

AWS S3 cross region replication with AES256 encryption

S3 cross region replication is a useful feature to cope with company’s compliance and meet DR/BCP demands. This is how to configure in cloudformation.

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Blockchain Image
Blockchain
Solidity

How to send a transaction of smart contract in Ethereum

Introduction of how to write a Javascript code to generate and sign a transaction, also do the same in ganache-cli tool to interact with the deployed contracts.

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Container Image
AWS
Container

Beginner Tutorial: Docker Machine on EC2 host in AWS

Docker Machine is a tool that lets you install Docker software on virtual machines or remote cloud platforms easily. This is the beginner’s guide for the tool.

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Cloud Managed Image
AWS
Python

Post an image tweet with Lambda when S3 event triggered

A lambda function guide with Python 3.7 runtime. The function can be triggered by S3 put event and downloaded image will be posted in Twitter.

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Cloud Service Image
AWS

How do AWS CLI credential and IAM role for EC2 work?

To explain basics of credential when we use the AWS CLI, SDK and its precedences. IAM role is another topic how it gives a temporary credential in EC2.

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Trading market Image
Crypto
Python

How to obtain crypto execution prices via WebSocket

Crypto exchanges offer realtime endpoint via WebSocket for rates, orderbooks and executions, etc. This article is a guide how to collect such information in Python.

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Machine learning Image
Container
DataScience

A World of Causal Inference with EconML by Microsoft Research

Overview of causal inference and RCT in a nutshell. Starting from RCT and various techniques that have been developed in causal inference. Introduced EconML.

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Cloud Managed Image
AWS
Container
Kubernetes

How to spin up Kubeflow v1.x and later in AWS EKS

Overview of MLOps and why it’s uptrend. Also this guides how to spin up AWS EKS cluster and install Kubeflow on top of it with kfctl tool. It’s easy.

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Cloud Service Image
AWS
Container

How to craft a Lambda layer in AWS, Pandas example

This is a guide how to find public available layers in github, then create your own layer and publish it in AWS by either EC2 or Docker container.

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Cloud Service Image
AWS
Container
Kubernetes

What does eksctl do in AWS EKS?? – eksctl create cluster patterns –

eksctl is a tool for creating clusters on AWS EKS. This article introduces various patterns of using the command with options.

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