Hyoung Soo Kim – Medium

Hyoung Soo Kim

When RabbitMQ SDK show you a connection refuse error.

When you use RabbitMQ SDK like pika and you see an error of connection refuse with below string value in the error message, you should…

Jun 22, 2021

Jun 22, 2021

How to integrate gunicorn with nginx

gunicorn installation

Oct 25, 2020

Oct 25, 2020

How to install NVIDIA Ghaphic card driver on Ubuntu

Download appropriate CUDA driver from below page on your PC.

Dec 10, 2018

Dec 10, 2018

AWS CloudFormation template for NAT Gateway

Aug 22, 2018

Aug 22, 2018

Setting up VPC and CodeBuild to allow resource access in VPC from CodeBuild process

- Problem: During build process with AWS CodeBuild, test units try to access RDS instances in private subnet but failed.

Aug 14, 2018

Aug 14, 2018

How to setup AWS CodeDeploy for your Python application — 1

IAM user provisioning

Aug 14, 2018

Aug 14, 2018

Don’t use DBSecurityGroup in AWS CloudFormation

Don’t use DBSecurityGroup for RDS in AWS CloudFormation. It’s for EC2-classic. AWS also doesn’t recommend to use the DBSecurityGroup…

May 30, 2018

May 30, 2018

Use Filter to read multiple counts in PostgreSQL

from https://popsql.io/learn-sql/postgresql/how-to-use-filter-to-have-multiple-counts-in-postgresql/

May 15, 2018

May 15, 2018

How to read only top N rows from each group in SQL

You would get same requests from your internal and external clients.

Feb 6, 2018

Feb 6, 2018

How to delete a security group from a running EC2

Sometimes you want to delete a security group from a running EC2 but if the security group is ‘default’, it cann’t be deleted. If it’s not…

Jan 14, 2018

Jan 14, 2018

Hyoung Soo Kim

Hyoung Soo Kim

Experienced cloud engineer with 19 years of extensive online membership, billing, micro-transaction and payment on cloud.

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