Question: how to copy files from linux to s3?
Answer: Step1. Install the brew. Copied! $ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Step2. check the brew version. Copied! ... 
Step3. install aws cli, use the following command. Copied! ... 
Step4. check the aws CLI version. Copied! ... 
Step5. now configure the aws profile. Copied!