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Atom Smasher
n00b
Joined: 26 Sep 2003
Posts: 64
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 Posted: Wed Oct 01, 2003 12:58 pm Post subject: USB Drive works from "command line" but not in KDE |
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Here is my /etc/fstab file:
| Code: | /dev/hdb1 /boot ext2 noauto,noatime $
/dev/hdb3 / reiserfs noatime $
/dev/hdb2 none swap sw $
/dev/hdc /mnt/dvdrw iso9660 noauto,user,ro $
/dev/hdd /mnt/dvd iso9660 noauto,user,ro $
/dev/sda1 /mnt/portable auto noauto,user,exec $
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I can cd through the drive and see the stuff on it logged as root. But normal user it gives me this:
| Code: | | Could not enter directory /mnt/portable |
Its a permission thing but which one ?? |
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stim
Tux's lil' helper
Joined: 21 Jan 2003
Posts: 116
Location: Brisbane, Australia
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| Posted: Wed Oct 01, 2003 1:55 pm Post subject: |
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If you do a it will list all the folders in your /mnt directory and what permissions they have. Here's what I get: | Code: | stim@clipper stim $ ls -l /mnt
total 4
drwxr-xr-x 2 root root 48 Jun 28 18:34 beos
drwxrwxrwx 2 root root 48 May 12 00:33 camera
drwx------ 2 root root 72 Jun 23 10:23 cdrom
drwxr-xr-x 2 root root 48 Apr 6 21:07 cdrom1
drwxr-xr-x 2 root root 48 Apr 6 21:07 cdrom2
drwxr-xr-x 2 root root 48 Mar 8 2003 dvdrom
drwx------ 2 root root 72 Sep 16 22:40 floppy
drwxr-xr-x 2 stim users 48 Mar 10 2003 windows
stim@clipper stim $
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You want to make sure that your portable folder had at least x-r for all permission groups (says it three times). To do this type: | Code: | | chmod a+rx /mnt/portable |
as root. I believe this is actually the bit you were asking about. For a user to change into a directory, they must have read and execute permission.
You should then be able to read from the device as a normal user when you mounted it as a normal user.
Hope that helps. |
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Atom Smasher
n00b
Joined: 26 Sep 2003
Posts: 64
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| Posted: Thu Oct 02, 2003 1:55 am Post subject: |
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When I try that chmod command above it gives me this.
| Code: | bash-2.05b# chmod a+rx /mnt/portable
chmod: changing permissions of `/mnt/portable': Read-only file system
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And it still wont let me in as a normal user. The icon that I have on my kde desktop I have the permissions checked.
| Code: | bash-2.05b# ls -l /mnt
total 2
drwx------ 2 root root 72 Sep 13 00:18 cdrom
drwxr-xr-x 2 root root 48 Oct 1 02:03 dvd
drwxr-xr-x 2 root root 48 Oct 1 02:01 dvdrw
drwx------ 2 root root 72 Sep 25 16:31 floppy
dr-x------ 1 root root 32768 Sep 24 22:34 portable
bash-2.05b# |
The filesystem on the portable drive is NTFS from my previous XP install. But root can still access it in both kde and command line. |
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stim
Tux's lil' helper
Joined: 21 Jan 2003
Posts: 116
Location: Brisbane, Australia
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| Posted: Thu Oct 02, 2003 6:07 am Post subject: |
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Hmmm, this seems very odd. I'm not sure that this will help or make any difference whatsoever, but I just wanted to make sure (since I didn't make it clear in my post) that you are issuing the chmod command when the device is not mounted, and that you are mounting the device as a normal user.
If your system allows you to mount the device as a normal user, but not cd into it .... then I'll have to think about that. |
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Atom Smasher
n00b
Joined: 26 Sep 2003
Posts: 64
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| Posted: Thu Oct 02, 2003 12:25 pm Post subject: |
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Hey,
I made sure the portable drive was not mounted while logged in as root. Then I logged back in as normal user, issued the
| Code: | | chmod a+rx /mnt/portable |
and it gives me
| Code: | | chmod: changing permissions of ' /mnt/portable ' : Operation not permitted. |
But like I said, as root it all works fine. This Linux stuff makes my head hurt.
Thanks for your help though. |
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stim
Tux's lil' helper
Joined: 21 Jan 2003
Posts: 116
Location: Brisbane, Australia
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| Posted: Thu Oct 02, 2003 1:11 pm Post subject: |
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Hi,
I think you're not understanding me properly (or I'm not explaining well enough, I'm usually not very good with explanations). You need to issue the chmod command as root, when the device is not mounted. Then you need to mount the device as a normal user and see what happens.
When I say "need" above, I'm not saying it's going to work, but I have a feeling it should help. Does it? |
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Atom Smasher
n00b
Joined: 26 Sep 2003
Posts: 64
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| Posted: Thu Oct 02, 2003 9:39 pm Post subject: |
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OK...here we go...
These are the steps I took. I think I did it like you were saying.
bobby is a normal user
| Code: |
bobby@desktop bobby $ su
Password:
root@desktop bobby # chmod a+rw /mnt/portable
root@desktop mnt # ll
bash: ll: command not found
root@desktop mnt # exit
exit
bobby@desktop bobby $ cd /mnt
bobby@desktop mnt $ ll
total 3
drwx------ 2 root root 72 Sep 13 00:18 cdrom
drwxr-xr-x 2 root root 48 Oct 1 02:03 dvd
drwxr-xr-x 2 root root 48 Oct 1 02:01 dvdrw
drwx------ 2 root root 72 Sep 25 16:31 floppy
drwxrwxrwx 2 root root 48 Oct 1 04:44 portable
bobby@desktop mnt $ mount portable
bobby@desktop mnt $ ll
total 2
drwx------ 2 root root 72 Sep 13 00:18 cdrom
drwxr-xr-x 2 root root 48 Oct 1 02:03 dvd
drwxr-xr-x 2 root root 48 Oct 1 02:01 dvdrw
drwx------ 2 root root 72 Sep 25 16:31 floppy
dr-x------ 1 root root 32768 Sep 24 22:34 portable
bobby@desktop mnt $ cd portable
-bash: cd: portable: Permission denied
bobby@desktop mnt $
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It wouldn't let me ll as root ?? Is that normal ?
Current fstab is
| Code: | | /dev/sda1 /mnt/portable auto noauto,user,exec 0 0 |
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ibliss
n00b
Joined: 07 May 2003
Posts: 14
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| Posted: Fri Oct 03, 2003 7:26 am Post subject: |
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man mount gives the following info:
| Code: | Mount options for ntfs
iocharset=name
Character set to use when returning file names. Unlike VFAT, NTFS suppresses names that contain uncon
vertible characters.
utf8 Use UTF-8 for converting file names.
uni_xlate=[0|1|2]
For 0 (or `no' or `false'), do not use escape sequences for unknown Unicode characters. For 1 (or `yes'
or `true') or 2, use vfat-style 4-byte escape sequences starting with ":". Here 2 give a little-endian
encoding and 1 a byteswapped bigendian encoding.
posix=[0|1]
If enabled (posix=1), the file system distinguishes between upper and lower case. The 8.3 alias names
are presented as hard links instead of being suppressed.
uid=value, gid=value and umask=value
Set the file permission on the filesystem. By default, the files are owned by root and not readable by
somebody else. |
especially the last section is interesting -> play a bit with these values, and you should be able to read the filesystem as non-root  |
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yemu
Guru
Joined: 05 Jun 2003
Posts: 342
Location: /poland/warsaw
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| Posted: Mon Oct 06, 2003 9:28 pm Post subject: |
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in fstab i've got:
| Code: |
/dev/sda1/ /mnt/pendrive vfat noauto,user,rw,gid=1001, umask=000 0 0
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and it works perfectly
group 100 is users, my user id is 1000
best
yemu
_________________
Centrum Jêzyka Francuskiego VOILA - http://www.voila.edu.pl |
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