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seb

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  • "seb" started this thread

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Location: Sydney

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1

Wednesday, April 23rd 2003, 1:51pm

permissions with windows drive

well wasnt really sure if this was to do with this forum index, but it is my personal information ;)

dillema:
I have used a number of different distros on my hard drive including MDK8.2, MDK9.0, RH8.0, RH9.0.

I have a separate hard drive where i keep all of my documents, mp3s, and windows partitioning.

After rebuilding the linux partitions numerous times, I have discovered that although i may mount the disks, i am unable to change the permissions of the disk.

as a result, only root can change the directories, files and other stuff on the mount. i cannot change the permissions with root, even using chmod and chown

does anybody have any solution to this problem? it is driving me nuts!

Per

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2

Wednesday, April 23rd 2003, 2:29pm

Windows filesystems doesn't support the same access rights as traditional UNIX filesystems and can't be changed with chmod/chown. Instead they are set when mounting the filesystem with mount or in the /etc/fstab file. For more informaion see manual pages for mount and fstab.

3

Friday, May 2nd 2003, 4:27am

here's a copy of my etc/fstab file:

devpts /dev/pts devpts gid=5,mode=620 0 0
/proc /proc proc defaults 0 0
none /proc/bus/usb usbdevfs defaults 0 0
/dev/cdrom /mnt/cdrom iso9660 ro,user,noauto,exec 0 0
/dev/fd0 /mnt/floppy auto defaults,user,noauto 0 0
/dev/hda8 / ext3 defaults 1 1
/dev/hda5 /mnt/hda5 vfat umask=0,quiet,defaults 0 0
/dev/hda5 /home/patrick/Shared vfat umask=0,quiet,defaults 0 0
/dev/hda2 /mnt/hda2 ntfs umask=022,ro,defaults 0 0
/dev/hda1 /mnt/hda1 vfat umask=0,quiet,defaults 0 0
/dev/hda6 swap swap defaults 0 0

as you can see, /dev/hda5 is a fat32 partition, and much like yourself I set it up for storage of files, tunes, whatever, so I can share them seemlessly between differnt OS.

as a neat little side trick, I also mount hda5 in my users home directory for super easy access.

the way it's laid out gives full read write access to all users, though there are also many different ways of setting it up. this is a very simplistic option, which is why I like it.

Like per said, check your man pages and search the net for fstab...you'll find many resources.

good luck!

4

Sunday, May 11th 2003, 9:59pm

If a non linux filesystem is mounted at boottime, it becomes owned by root. So only root has write acces.
To avoid this, you can either try not mounting at boot time, but later on as user, or change the umask of the filesystem.
Last one is wat I prefer.
To this, add the following line in /etc/fstab for your Windows-partition:

[code:1]
/dev/hda5 /mnt/hda5 vfat users,gid=users,umask=0002,iocharset=iso8859-15,code=437 0 0
[/code:1]

(string should be on 1 line..)

The trick over here is the umask=0002

This only works with vfat, ntfs is not good supported, and therefore even as root write protected.

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seb

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5

Saturday, September 13th 2003, 7:40am

ack!
I have just rebuilt my machine and am having the same problems.
The difference now is that i have NTFS and not vfat, will this cause problems?

Any way of giving users rw mode to the NTFS drives?

Thanks in advance
Seb

6

Saturday, September 13th 2003, 9:53am

Writing to NTFS drives is experimental and can damage your NTFS-filesystem.

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seb

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7

Sunday, September 14th 2003, 12:57am

okay thanks for that :P

My fourth reinstallation, now Fat32 :P

8

Sunday, September 14th 2003, 1:26am

Quoted

Original von seb

My fourth reinstallation, now Fat32 :P

Well, it keeps you off the street :)

Keep also in mind that Linux kernel 2.6 will have full support for NTFS

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9

Friday, July 30th 2004, 5:41am

My Fix What did I do?

I have nbeen having the same problem, I have two win2k partitions on my system that I want to access to pull down data. I originall had the group and owner set up as root for both. I was told on another site that I should change the owners ro user which I did. But every time I tried to mount the NTFS partitians using the user mount tool they ownership changed back to root. at that point my fstab file looked like:

/dev/hdb1 /mnt/drive_f ntfs noauto,user,ro 0 0
/dev/hda1 /mnt/drive_c ntfs noauto,user,ro 0 0

However after reading this post I changed my fstab to read:

dev/hdb1 /mnt/drive_f ntfs users,gid=users,umask=022,ro,defaults 0 0
/dev/hda1 /mnt/drive_c ntfs users,gid=users,umask=022,ro,defaults 0 0

This now lets me mount the partitians as the user and read the data in the folders. Problem is, I am not sure what I have just done can someone explain all after the ntfs part?

Thanks
:?
Rick Hanzlik CNE
cvc505@yahoo.com

" I think I will run away and join reality..This circus is too much!"

10

Friday, July 30th 2004, 8:56am

users - users can mount the partition
gid=users - the group identity of the files is set to users
umask=022 - reverses the file permissions, see man umask for details.
ro - readonly
defaults - this one has no function in this string, it tells fstab that the default settings apply.
But the other options overrule defaults..

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Help mee om KDE 3.5.5 in het Nederlands te vertalen