Unable to Mount other Partitions using udisks2 without root Password

nlern · 2016-05-24 08:31:58

Hi all. I have a working Ubuntu-Arch linux dual boot system. I have installed kde plasma on Arch and Ubuntu is regular Ubuntu 14.04 LTS. In Ubuntu I can mount other partitions using udisks2 without any password. But in Arch, whenever I try to mount other partitions by clicking their icon in dolphin, I get a window asking for the root password. My user account in Arch is part of storage group and I've created a file '10-udisks.rules' in '/etc/polkit-1/rules.d/' with following content to allow users in storage group to mount without passwords:

// See the polkit(8) man page for more information
// about configuring polkit.

// Allow udisks2 to mount devices without authentication
// for users in the "storage" group.
polkit.addRule(function(action, subject) {
    if ((action.id == "org.freedesktop.udisks2.filesystem-mount-system" ||
         action.id == "org.freedesktop.udisks2.filesystem-mount") &&
	subject.isInGroup("storage")) {
        return polkit.Result.YES;
    }
});

Still I get a window asking for root password. What am I missing? Please point it out.

Edit: I don't know if the following is important or not. All of my partitions are of type btrfs. When I first installed Arch, I created no subvolume and installed it on 100 GB /dev/sda2. Then I created a snapshot of /dev/sda2 partition (from Ubuntu) in a subvolume '@', deleted old files, directories and changed fstab of Arch suitably. All went well and Arch booted fine. Then I created abovesaid rule and it worked. After some days I wanted to revert to use /dev/sda2 as root directory and move contents of '@' in /dev/sda2 and delete '@'. But I could not find how to do this using btrfs commands. So in Ubuntu, I used this command:

sudo mount /dev/sda2 /mnt
cd mnt
sudo cp -R @/* .

But it was taking too long (Arch system was nearly 7 GB then) where the snapshot was created instantaneously. So I pressed ctrl+c and issued 'gksudo nautilus' and selected the directories moved, pressed ctrl+x (cut) and after entering '@' pressed ctrl+v (paste). The operation completed successfuly. When prompted I had pressed 'merge' and 'replace'. Now all files under my home directory was owned by roor. So I issued

cd /mnt/@/home
sudo chown -R myusername: myusername

where 'myusername' is my user name in Arch. After that I rebooted to Arch and from then to now the Arch is running fine. Only I have this above problem.

Last edited by nlern (2016-05-24 09:40:44)

jasonwryan · 2016-05-24 08:36:49

I really hope that something catastrophic happened that prevented you from finishing this post and that you didn't think that a title and a cheery "hi all" constituted something worth a thread here...

V1del · 2016-05-24 08:42:08

https://wiki.archlinux.org/index.php/Ud … figuration
https://gist.github.com/grawity/3886114 … nternal-js

nlern · 2016-05-24 08:52:06

@jasonwryan, I was writing the question from android phone chrome browser and accidently pressed submit instead of preview. But after that I finished the question and have updated it

Last edited by nlern (2016-05-24 08:52:56)

nlern · 2016-05-24 15:19:30

@V1del, the contents of '10-udisks.rule' are as shown in your 2nd link. Yet I am not authorised.

Last edited by nlern (2016-05-24 15:19:56)

nlern · 2016-05-28 05:23:06

Maybe I'm having this problem due to user permissions of my current user account. I will try to test automounting settings on a new account

Docbroke · 2016-05-28 06:05:48

can you mount using, (for example for device /dev/sdb1)

udisksctl mount -b /dev/sdb1

nlern · 2016-05-28 11:23:59

Docbroke wrote:

can you mount using, (for example for device /dev/sdb1)
udisksctl mount -b /dev/sdb1

I tried above command and got a window with following contents:

Authentication is required to mount WDC WD500AAKX-001CA0(/dev/sda5)

An application is attempting to perform an action that requires privileges. Authentication is required to perform that action.

Password for root:

After clicking cancel I get following error

Error mounting /dev/sda5: GDBus.Error:org.freedesktop.Udisks2.Error.NotAuthorized:
 Not authorized to perform operation

Output of groups command

$ groups
wheel network storage power users

I've already given rules file I am using to add users of storage group to automount in udisks.

Edit: The command I issued following Docbroke's comment is:

udisksctl mount -b /dev/sda5

Last edited by nlern (2016-05-28 12:08:16)

Docbroke · 2016-05-28 11:54:25

that confirms that issue is not with dolphin.
Have you tried polkit rule posted in second link provided by V1del, which is specific for internal storage. I believe you are normally able to mount USB drives.
As a side note if you are trying to mount internal drives, you can also specify them in /etc/fstab for automounting on boot.

nlern · 2016-05-28 12:04:18

Docbroke, the contents of 10-udisks.rule that I've posted in the 1st post of this thread are essentialy same as indicated in the 2nd link by V1del. I've placed that file in /etc/polkit-1/rules.d. I'm currently mounting my ubuntu home partition using fstab.

Last edited by nlern (2016-05-28 12:09:54)

Arch Linux

#1 2016-05-24 08:31:58

Unable to Mount other Partitions using udisks2 without root Password

#2 2016-05-24 08:36:49

Re: Unable to Mount other Partitions using udisks2 without root Password

#3 2016-05-24 08:42:08

Re: Unable to Mount other Partitions using udisks2 without root Password

#4 2016-05-24 08:52:06

Re: Unable to Mount other Partitions using udisks2 without root Password

#5 2016-05-24 15:19:30

Re: Unable to Mount other Partitions using udisks2 without root Password

#6 2016-05-28 05:23:06

Re: Unable to Mount other Partitions using udisks2 without root Password

#7 2016-05-28 06:05:48

Re: Unable to Mount other Partitions using udisks2 without root Password

#8 2016-05-28 11:23:59

Re: Unable to Mount other Partitions using udisks2 without root Password

#9 2016-05-28 11:54:25

Re: Unable to Mount other Partitions using udisks2 without root Password

#10 2016-05-28 12:04:18

Re: Unable to Mount other Partitions using udisks2 without root Password

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