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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Virtualization: How do I share a cloud drive mounted inside the guest with the host? (lemmy.ml)

submitted 5 days ago* (last edited 2 days ago) by [email protected] to c/[email protected]

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Hi everyone! I want to be able to access a folder inside the guest that corresponds to a cloud drive that is mounted inside the guest for security purposes. I have tried setting up a shared filesystem inside Virt-Manager (KVM) with virtiofs (following this tutorial: https://absprog.com/post/qemu-kvm-shared-folder) but as soon as I mount the folder in order for it to be accessible on the ~~guest~~ host the cloud drive gets unmounted. I guess a folder cannot have two mounts at the same time. Aliasing the folder using bind and then sharing the aliased folder with the host doesn't work either. The aliased folder is simply empty on the host.

Does anyone have an idea regarding how I might accomplish this? Is KVM the right choice or would something like docker or podman better suited for this job? Thank you.

Edit: To clarify: The cloud drive is mounted inside a virtual machine for security purposes as the binary is proprietary and I do not want to mount it on the host (bwrap and the like introduce a whole lot of problems, the drive doesn't sync anymore and I have to relogin each time). I do not use the virtual machine per se, I just start it and leave it be.

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[–] [email protected] 2 points 5 days ago (1 children)

The best option would be to have a "regular" client that keeps a local copy in sync with the cloud instead of a mount.

BTW: IDK what cloud storage you are using, but IIRC some show files that are not available locally (ie. only the most recent files are downloaded locally - the older stuff is downloaded on request).

Alternatively, you could hack something together running unison locally in the guest to sync the cloud folder to a shared one... you'll have two copies of the data though.

[–] [email protected] 1 points 5 days ago* (last edited 5 days ago)

That would be impossible since the cloud drive is 2TB and my physical storage space is under 500GB in size.