Setting MFA for security

1. You can find the MFA in 'security credential', and please click the 'activate mfa'.

2. Because I want to use google otp, I'll select 'A virtual MFA device'.

3. After scanning the scan code, you can insert authentication code1 and 2.

first, you can insert the code in your google otp, and then if code is changed after a few time,

you can insert changed code as authentication code2.

4. After logging out, you will requre the authentication code when you log in.

Creating EC2 Instance in AWS

1. selecting 'Launch Instance'.

2. I'll select Amazon Linux.

 3. I'll select t2.micro to use this instance as free.

 4. select storage option.

 5. After setting some options, you can find the EC2 instance made.

AWS SDK Cert checking disable option

When developing by using AWS SDK, there are some exception related in https certificate.
At that case, you can use the run configuration option as below.

-Dcom.amazonaws.sdk.disableCertChecking=true

I have used eclipse, so I added this option to this path as below.
Run - Run Configurations - Arguments

AWS SDK Cert checking disable 옵션

AWS SDK 를 사용하여 개발할 때 certificate 관련 exception이 발생하는 경우가 있다.
그런 경우에 사용할 수 있는 옵션이 아래와 같다.

-Dcom.amazonaws.sdk.disableCertChecking=true

필자의 경우, eclipse를 사용하고 있어, 아래와 같이
Run - Run Configurations - Arguments
에 추가하여 사용하였다.