Append data to an S3 object

Question

Let\'s say that I have a machine that I want to be able to write to a certain log file stored on an S3 bucket.

So, the machine needs to have writing abilities to tha

Answer 1

As others have stated previously, S3 objects are not append-able.
However, another solution would be to write out to CloudWatch logs and then export the logs you want to S3. This would also prevent any attackers who access your server from deleting from your S3 bucket, since Lambda wouldn't require any S3 permissions.