How to add and delete security group rules in AWS via the CLI (and list them too!)

Author: , September 13th, 2023

Add inbound rule(s) for a security group ID:

## Delete inbound rule(s) for a security group ID

## List security groups by security group ID

## List inbound rules for a specific security group ID

Thanks to: https://www.bluematador.com/learn/aws-cli-cheatsheet

How To Fix aws Command Error “You must specify a region”

Author: , July 29th, 2021

I was getting error “You must specify a region” when running any aws CLI command. The fix: Using the aws command:

which will automatically add the following to the file ~/.aws/config:

You many simply edit the ~/.aws/config file yourself and append the same thing:

How To Fix “IOError: [Errno 10] No child processes” When Running the aws CLI Command from Perl WWW-REST-Apid

Author: , December 3rd, 2020

Problem While running the aws cli command from a Perl async command inside apid, I go the following error:

Solution The issue turned out to be a bug in Python2.7, so I upgraded to Python3.4, then uninstalled and re-installed the aws cli software so that it used the proper Python34 version. Procedure

https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2-linux.html […]