Hello friends:
Two days ago I installed KDE Neon on my PC (Intel Core I7, 8 GB RAM, SSD 240 GB WD, and two HD Seagate and WD of a TB). The problem is that Dolphin recognized the data partition made for Linux (750GB with ext4 on HD Seagate) but it does not give me access to the options to give the corresponding permissions of reading and writing, appearing disabled these, while the Data partitions (NTFS) for Windows (since I run a dual system) Dolphin give me this options without problems. Since Dolphin has root disabled, I can not access these options as superuser. And although I can already access the read and write permissions with the command chmod, I would like to know if someone has had the same problem and if able to solve it.
Thank you

please post the output of these commands

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sudo blkid
cat /etc/fstab

questions
Do you want the user (not root) to have read write permissions to ntfs partitions?

Do you want ntfs partitions available to read on boot up of Linux?

Did you create "mount points" for each ntfs partition in the Linux file system

eg

sudo mkdir /c /d /e/ (or)
sudo mkdir /media/c /media/d etc

I don't have windows but I am sure we can work it out

Type blkid show this in konsole:
/dev/sda1: LABEL="Reservado para el sistema" UUID="E8E8105CE8102B78" TYPE="ntfs" PARTUUID="124214ae-01"
/dev/sda2: UUID="BC4E362E4E35E1B6" TYPE="ntfs" PARTUUID="124214ae-02"
/dev/sda5: UUID="978dafec-159e-4133-b84c-7d3cb3df00d8" TYPE="ext4" PARTUUID="124214ae-05"
/dev/sdb2: UUID="d70bd33d-3fd7-4bc5-99a1-e9ad7071b472" TYPE="swap" PTTYPE="dos" PARTUUID="442faab4-02"
/dev/sdb5: LABEL="SISTEMA" UUID="0E64A2C20E037837" TYPE="ntfs" PARTUUID="442faab4-05"
/dev/sdb6: LABEL="DATOS-LInux" UUID="ad396ba4-75c4-4e1d-89d3-1f5e81346f7f" TYPE="ext4" PARTUUID="442faab4-06"
/dev/sdc1: LABEL="DATOS_Windows" UUID="22A6928FA69262D9" TYPE="ntfs" PARTUUID="b9b951ce-01"

cat /etc/fstab show:
<file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda5 during installation
UUID=978dafec-159e-4133-b84c-7d3cb3df00d8 / ext4 errors=remount-ro 0 1
# swap was on /dev/sdb2 during installation
UUID=d70bd33d-3fd7-4bc5-99a1-e9ad7071b472 none swap sw 0 0
UUID="ad396ba4-75c4-4e1d-89d3-1f5e81346f7f" /media/juan/DATOS-LInux ext4 errors=remount-ro 0 1

The UUID apparently is fine. The mount is fine. My problem is that dolphin show this:
[img]file:///media/juan/DATOS-LInux/Descargas_navegador/f0UDUTrmIIRFAAAAAElFTkSuQmCC[/img]

With chmod I have given write and read permissions in the linux partition. Whit the ntfs partition no problem.

Sorry for not showing the picture. It is just that when viewing the properties of the DATOS-LInux partition, show:
Access permissions
Only owner can change permissions
And the option corresponding to permissions, appears inaccessible,
And in Owner, show:
user: root,
group: root.

It seems strange to me that dolphin does not show the options as it does in the windows partition.
As I say the problem has been solved with chmod, but the options are still inaccessible through dolphin in this partition.

Ok I will ignore attempting to give you ntfs on startup and instead point out the error for you fstab for this line

UUID="ad396ba4-75c4-4e1d-89d3-1f5e81346f7f" /media/juan/DATOS-LInux ext4 errors=remount-ro 0 1

there is no read-write showing fix it with something along these lines and also change the check filesystem count from 1 to 2
like this

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sudo su
apt-get update && apt install nano
nano /etc/fstab

when nano opens your file arrow down to the quoted line and change it to read as follows

UUID="ad396ba4-75c4-4e1d-89d3-1f5e81346f7f" /media/juan/DATOS-LInux ext4 users,rw 0 2

---at bottom of screen for nano you can see to save you use kb shortcuts of
ctrl + o (to over write)
ctrl + x ( to exit) nano
then run reboot and recheck you can now write to that mount point, assuming it exists

I could change the permissions of the linux data partition with the command:

sudo chown -R juan:juan /media/juan/DATOS-Linux

But dolphin continues to look like this:



While the windows data partition looks like this:



At least I can now write and read the linux data partition.

If you have family members who you do not want to have read write powers then the group juan is correct.

if you trust family members then group=juan means they do have read-write powers.

anyhow if you like you can mark this as solved

Yes, this PC is only for my use. In this point no problem. But my doubt is, why Dolphin not show the options for the change of permissions in this partition native for Linux, while the windows data partition yes? and, why Dolphin mount this partition newly formatted with user: root and group: root?. Sorry, for so many questions. Thanks

I am now confused.

your image for file properties shows user:group as juan not root:root.

repost your /etc/fstab please

2) what do you mean by saying newly formatted. You should not be re-formatting any partition unless you are doing a clean install?

I hope you are not trying to read the Linux partitions under windows?

windows does not have true support for linux so will offer to re-format it.

do not access linux under windows and this might solve that issue.....if I am guessing correctly.

cheers

Newly sorry, I explain:
1) Initially, in the newly formatted partition (DATOS-Linux), Dolphin did show the permission options blocked and in Owner, user: root and group: root. I could not write to that partition either. This is the origin of the problem posted.
2) I applied the command chown and change in Owner, user: juan and group: juan (the images posted). Now, I can write, read and execute in this partition (DATOS-Linux). With this solution the problem is solved.

My doubt is for the graphic interface. I know that KDE Neon is an system for intermediate user, but I'm confused why Dolphin did not showing the permission options in a native partition linux, while partition windows, yes. And, even changing the user and group (juan) no show the options permission.

Sorry, for confusing them so much. My native language in not the English.

Thank for your patience.