ktg0210

Taegu Kang

Taegu Kang

3 followers

Jesus, Love, Family, Happy Life, Linux, Cloud, SRE, DevOps Engineer, FinOps, System Engineer, Problem Solver

using AWS CLI under MFA

Feb 19, 20241 min read

AWS/Security · outline Using AWS CLI under MFA, you need session token and temporary AWS Access key and Secret key. how-to # aws sts...

using AWS CLI under MFA

Listing multiples of numbers using Bash

Feb 19, 20241 min read

bash example · outline Using Bash, make list of multiples of numbers. example 1 (3, 5, 7) #!/bin/bash for i in $(seq 1 100); do if (( i % 3 ==...

Listing multiples of numbers using Bash

AWS Global Accelerator must be created in Oregon(us-west-2)

Feb 2, 20241 min read

AWS/AWS Global Accelerator · outline Unexpted and undefined billing for Oregon(us-west-2) could be pricing from AWS Global Accelerator. Global...

AWS Global Accelerator must be created in Oregon(us-west-2)

charges for Public IPv4 begin (2024-02-01)

Jan 31, 20241 min read

AWS/Cost Optimization · outline Amazon started to charge Public IPv4 addresses on Feb.1 2024. From now on, You need to check Public IP usage status....

charges for Public IPv4 begin (2024-02-01)

Using VPC endpoint for dynamodb

Jan 30, 20241 min read

AWS/Cost Optimization · outline Like VPC endpoint for S3, using VPC endpoint for dynamodb is good for security and cost optimization by using only AWS...

Using VPC endpoint for dynamodb

Sudden invoice e-mail from AWS

Jan 29, 20241 min read

AWS/AWS Route53 · outline If you got about 20 ~ 50 dollars of invoice e-mail from AWS not for monthly billing, it could be Amazon Registar billing for...

Sudden invoice e-mail from AWS