how to mount partition with -o remount,ro option without being superuser

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                          If I am root in can run the command mount -o remount,ro /data. However I can not do it in my user session without using sudo. I tried to modify my fstab :

    LABEL=DATA   /data        ext4  auto,rw,users  0  1

I added a polkit rule:

    polkit.addRule(function(action, subject) {
        if ((action.id == "org.freedesktop.udisks2.filesystem-mount" ||
             action.id == "org.freedesktop.udisks2.filesystem-unmount" ||
             action.id == "org.freedesktop.udisks2.filesystem-mount-system-internal") &&
            subject.isInGroup("me")) {
            return polkit.Result.YES;
        }
    });

But I did not manage to make it works. Always with the same error : mount /data : must be superuser to use mount
                        

Asked by void_brain (119 rep)

Jan 2, 2025, 01:12 PM
Last activity: Jan 2, 2025, 03:28 PM

how to mount partition with -o remount,ro option without being superuser

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