How can I mount some device with read-write access to specific user?
Mount device with r/w access to specific user
filesystems;permissions;mount;authorization
There's no generic way to do exactly that. If the filesystem doesn't have a notion of file ownership, it probably has a mount option (uid) to decide which user the files will belong to. If the filesystem does have a notion of file ownership, mount it read-write, and users will be able to write every file they have permission to.If you only want a specific user to access the filesystem, and there is a FUSE driver for it, then arrange for the user to have read-write access to the device and mount it through FUSE as that user.Another way to only let a specific user (or a specific group, or better fine-tuning through an ACL) is to place the mount point underneath a restricted-access directory:mkdir -p /media/restricted/joe/somediskchown joe /media/restricted/joe/somediskchmod 700 /media/restricted/joe/somediskmount /dev/sdz42 /media/restricted/joe/somediskIf you want some users to have read-write access and others to have read-only access regardless of file permissions, mount the filesystem read-write under a restricted access directory and use bindfs to make a read-only view of that filesystem.bindfs -o perms=a-w /media/private/somedisk /media/public-read-only/somediskYou can also make a bindfs view read-write to some users and read-only for others; see the -m and -M options in the bindfs man page. Remember to put the primary mount point under a directory that only root can access.