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Thunar is unable to mount/unmount partitions correctly

rated 0 times [ 0] [ 0] / answers: 1 / hits: 3573 / 1 Year ago, sat, january 7, 2023, 8:30:48

I've got a "NTFS" partition on my Ubuntu machine which I use it to share files between my Ubuntu and Windows.

The problem is that I'm not able to mount it using my file manager, the error is:

Not authorized to perform operation.

So I edited the /etc/fstab file to mount this partition automatically at the boot time. Now, it's mounted however I'm not able to unmount it using my file manager.

/etc/fstab:

UUID=[partition uuid]     /media/d       ntfs-3g       defaults        0       0

What should I do to be able mount and unmount this partition as a normal user from GUI?

I'm using "Thunar" as my file manager, and

I'm running "OpenBox" on my Ubuntu (It's a minimal installation).

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humbire

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answered 1 Year ago irtuallyefu · Accepted Answer

Make sure you have a "polkit authentication agent" installed and it's running, I use policykit-1-gnome:

sudo apt install policykit-1-gnome

After installing it, add this line:

/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1 &

to your autostart file:

~/.config/openbox/autostart

Also remove your partition line from /etc/fstab, you don't need it anymore.

Now we should create a rule to allow mounting without requiring password:

sudo nano /etc/polkit-1/localauthority/50-local.d/10-udisks.pkla

And add these:

[udisks2]

Identity=unix-group:sudo

Action=org.freedesktop.udisks2.filesystem-mount-system;

ResultActive=yes

You can change sudo with an other groups like: disk, storage or whatever, I like to use sudo.