Sending files from a CentOS server to a SharePoint site

Hello,

As part of migrating to a newly set up SharePoint Team Site, files need to be migrated from their current location: a CentOS server. So far, I've tried using curl however, that doesn't seem to be supported any more as I manage to connect to the site but get a 401 unauthorised when I try a file upload (I am a site owner).

Another option seems to be using the Office 365 CLI, though when I try to install it through npm, I get:

npm ERR! cb() never called!

npm ERR! This is an error with npm itself. Please report this error at:

npm ERR!     <https://npm.community>

Are there any alternative options (which don't involve using sudo on the CentOS server?)

Thanks

Xifong