proton-drive-linux-fs

What is proton-drive-linux-fs?

proton-drive-linux-fs is a FUSE virtual filesystem that mounts your Proton Drive account as a directory on Linux systems. It reads file and folder metadata directly from Proton and uses a lazy loading approach, meaning file contents are only downloaded when you actually open them. This method reduces bandwidth consumption and saves local disk space.

The application runs a background daemon that handles all communication with the Proton API. User applications interact with the mounted folder through the kernel FUSE layer, keeping credential exchange isolated within the daemon. Remote updates are synced via Proton event feeds, which automatically refresh directory listings and clear cached content. File modifications are temporarily saved locally and uploaded in full once the file closes or a timeout occurs.

The project is currently in an early stage and is not affiliated with or supported by Proton AG. It includes a system tray component and communicates with the daemon via a local Unix socket. Users should expect potential bugs and report issues through the official tracker.

proton-drive-linux-fs features

• Mounts Proton Drive as a local Linux directory
• Downloads files on demand to conserve bandwidth
• Syncs remote changes through Proton event feeds
• Buffers local edits before uploading to cloud
• Isolates API communication inside a secure daemon
• Provides a system tray interface for status checks

Who uses proton-drive-linux-fs and for what

• Browse and edit Proton Drive files in native Linux file managers
• Run desktop applications that require local file paths while storing data remotely
• Lower network usage by fetching only the files you actively read
• Streamline personal backups by treating cloud storage as a local drive

proton-drive-linux-fs FAQ

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