Set ownership rights in Linux File Systems for Windows by Paragon Software

When mounting a drive in Linux, the root access rights are set incorrectly, which necessitates users to perform a recursive disk change operation in order to set the rights needed. However, in Linux File Systems for Windows by Paragon Software it is possible to format a drive while setting custom access rights at the same time, which can also be done with Linux utilities.

The product Linux File Systems for Windows by Paragon Software uses the standard utilities e2fsprogs intended to work with extFS under Windows, and the same utilities are used in Linux. The default root rights are set as root:root, meaning that the root owner is the root-user and the root-group.

Solution:

Our product provides a Command-line interface (CLI) to formatting operations, as well as settings user rights. Thus, root rights can be set while formatting a drive under Windows with Linux File Systems for Windows by Paragon Software.

Please do the following to format the drive:

• Run CMD as Administrator (press Win+R keys → enter cmd → press Ctrl+Shift+Enter), go to “C:\Program Files (x86)\Paragon Software\LinuxFS for Windows\utils”

cd C:\Program Files (x86)\Paragon Software\LinuxFS for Windows\utils

• run

extmounter /umount disk N volume M

• run the following command

mke2fs.exe -t ext[2,3,4] -E root_owner=username:usergroup /dev/sdXY

(for instance, mke2fs.exe -t ext[2,3,4] -E root_owner=1000:1000 /dev/sdXY)

where X is the letter for Drive N, and Y is the number of Partition M., i.e.:

disk 0 partition 1 → /dev/sda1
disk 1 partition 2 → /dev/sdb2
and so on.

• extmounter /mount disk N volume M

Besides, the default user rights can also be changed for files and folders created while working with an extFS-volume under Windows. The default user rights are 65534 (noowner/nogroup). These can be changed through regedit or CLI:

• Run CMD as Administrator
• extmounter /umount disk N volume M
• extmounter /ugm uid 1000 gid 1000
• extmounter /mount disk N volume M
  Thus, all newly created files will have UID=username and GID=usergroup (in this example UID=1000 и GID=1000)

ExtFS for Windows, HowTos: Windows
Tags: ExtFS for Windows, linux, root

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