s3cmd
how to add cache control in AWS S3?
Please try the current upstream master branch (https://github.com/s3tools/s3cmd), as it now has a modify command, used as follows: ./s3cmd –recursive modify –add-header=”Cache-Control:max-age=86400″ s3://yourbucket/
What is the algorithm to compute the Amazon-S3 Etag for a file larger than 5GB?
Say you uploaded a 14MB file to a bucket without server-side encryption, and your part size is 5MB. Calculate 3 MD5 checksums corresponding to each part, i.e. the checksum of the first 5MB, the second 5MB, and the last 4MB. Then take the checksum of their concatenation. MD5 checksums are often printed as hex representations … Read more