After setting up s3cmd and my S3 bucket, when I try this command
sudo s3cmd sync --recursive --preserve /srv s3://MyS3Bucket
I get this error:
ERROR: S3 error: 400 (InvalidRequest): The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.
My s3cmd version is 1.0.0 which is installed by default after following their “deb” installation guide for by Ubuntu 12.04
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