Cloudflare R2 compatible backups instead of S3 backups from AWS

[vander.host]

Hi @Pixelpanther

I’m also interested to moving to R2 from Cloudflare for backups. I noticed in this post you asked about R2 but didn’t get a reply:

Backup to Cloudflare R2 using AWS Cloud Provider

SYSTEM INFORMATION OS type and version Ubuntu Linux 22.04.1 Webmin version 2.001 Virtualmin version 7.2-1 Has anyone successfully set up Cloudflare R2 as their backup solution? I am able to backup small virtual servers, but my backups error out as soon as the file size reaches more than a few hundred MB. In the error log there are hundreds of gradually incrementing lines that look something like this: Completed 57.0 MiB/307.3 MiB (10.5 MiB/s) with 1 file(s) remaining The rele…

Would you mind sharing how you got going in the first place? Maybe even give us a screenshot?

For now I’m assuming you’re using AWS and changing the access and secrets keys, and using a S3-compatible hostname, like so:

However, when I save that, I get this:

Failed to save cloud storage provider : S3 compatible server must be a valid hostname

Any assistance would be greatly appreciated.

EDIT: I managed to solve the problem the first problem. When specifying the S3 compatible hostname, one must drop not only the HTTPS part in the beginning but also the /bucket-name at the end.

Now I’m dealing with this problem:

Testing backup destination monthly-full/2023-07-04 in Amazon S3 bucket bucket-name ..
Failed to list S3 buckets : SigV2 authorization is not supported. Please use SigV4 instead.