AWS

 aws lambda invoke --function-name=<fn> --region=us-west-1 out.txt

asw s3 ls

awsconsole > my security credentials > Access keys
 aws configure

aws ec2 describe-regions

aws s3 mb s3://asfg

aws s3 sync s3://asdf --delete

aws s3 cp /path/to/file s3://sample_bucket --acl public-read




    final static String ACCESS_KEY = "";
    final static String SECRET_KEY = "";
    final static Regions REGION = Regions.EU_CENTRAL_1;
    

//        final AmazonS3 s3 = AmazonS3ClientBuilder.defaultClient();
        final AmazonS3 s3 = AmazonS3ClientBuilder.standard()
                .withCredentials(new AWSStaticCredentialsProvider(new BasicAWSCredentials(ACCESS_KEY, SECRET_KEY)))
                .withRegion(REGION)
                .build();
        List<Bucket> list = s3.listBuckets();