Sharooq

How to add new Cognito users automatically to a group on sign up - AWS Cognito, Lambda

We will set up a Post Confirmation lambda trigger for adding new users automatically to a certain group. in this guide, we will implement the code for the said function, assign permissions and attach the Lambda function to the Cognito user pool.

AWS -

AWS EC2 -

Solved

Solved - "apt-get: command not found" in AWS EC2 instance

By default, all the Amazon Linux AMIs use the "Yum" package manager instead of the "apt-get" package manager. Install "apt-get" or use "yum" package manager according to your needs.

AWS -

AWS EC2 -

Solved

Solved - "UNPROTECTED PRIVATE KEY FILE" warning when trying to access AWS EC2 instance

"WARNING: UNPROTECTED PRIVATE KEY FILE! Permissions 0644 for '*key*.pem' are too open." - error occurs when the private key is publicly accessible by all users in the system or network.

AWS -

AWS S3 -

How to

How to configure CORS for S3 bucket in AWS

Steps to configure CORS (Cross-origin resource sharing) in AWS S3. We can configure the level of access each origin have on the S3 bucket.

AWS -

AWS S3 -

How to

How to grant Public Read access to an S3 Bucket in AWS

For an S3 bucket to have public read access, we need to disable the Block public access section, add access permissions in the Bucket Policy section and allow all HTTP requests in the Cross-origin resource sharing (CORS) section.

AWS -

DynamoDB -

AWS Lambda

How to give permission for AWS Lambda to access DynamoDB Table

For an AWS Lambda function to be able to perform operations on a DynamoDB table, we need to attach an IAM policy to its "execution role" in the configuration.

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