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Old 02-17-2009, 08:13 PM   #16
vibinlakshman
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Registered: Dec 2008
Location: Kerala, India
Distribution: Ubuntu 11.10
Posts: 334

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Wink


Quote:
Originally Posted by Simon Bridge View Post
got it. Do you need the ports permanently disabled or just for exams?

The hal method could be worked in to a script so admins can turn it on or off ... but it may be trouble to impliment system-wide, I don't know how you are set up.

Th access-controls approach will work system wide - just switch off student access to external media. I don't know what access control mechanisms the sysadmins use, so cannot really advise more specifically.

I'm sorry you think that getting a reply right for you is "such a fuss". I'm afraid it cannot be helped.
So if last phrase hurt any one i wud try to take it back .. Thanks for every one who provided answer for my post ..
 
Old 02-17-2009, 08:17 PM   #17
vibinlakshman
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Distribution: Ubuntu 11.10
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Cool

Quote:
Originally Posted by catkin View Post
Hello Lakshman :-)

I think hal-disable-polling can do it but I don't know what the device names have to be. Time to experiment, plugging in a selection of devices? When I insert a USB memory stick on ubuntu 8.04.2, it's /dev/sdb1. CD/DVDs come up as /dev/scd0.

BTW, where are you in Kerala? I'm in Tamil Nadu, in Auroville near Puducherry.

Best

Charles
im frm Nileshwar , Kasargod District ..
 
Old 02-19-2009, 09:14 AM   #18
catkin
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A policy solution?

Hello Lakshman

I don't know anything about this stuff but it might help. I found it while looking for solutions to a DVD read problem.

Presume you are using ubuntu with Gnome. OK?

In case you want to disable removable media using policy, this might help. It's from http://osdir.com/ml/linux.debian.dev.../msg00070.html.
Code:
Better is to use this /etc/hal/fdi/policy/preferences.fdi file

<?xml version="1.0" encoding="ISO-8859-1"?> <!-- -*- SGML -*- -->
<!-- This .fdi file prevents automount for every media (storage devices)
e.g. floppy, CD/DVD, USB-Stick, USB-Disk, external hard disk.
The original SuSE SDB supplied version was modified to meet
Brownout needs. -->

<deviceinfo version="0.2">
<device>
<match key="storage.policy.should_mount" bool="true">
<merge key="storage.policy.should_mount" type="bool">false</merge>
</match>
<match key="storage.automount_enabled_hint" bool="true">
<merge key="storage.automount_enabled_hint" type="bool">false</merge>
</match>
<match key="storage.media_check_enabled" bool="true">
<merge key="storage.media_check_enabled" type="bool">false</merge>
</match>
<match key="volume.policy.should_mount" bool="true">
<merge key="volume.policy.should_mount" type="bool">false</merge>
</match>
<match key="volume.ignore" bool="false">
<merge key="volume.ignore" type="bool">true</merge>
</match>
</device>
</deviceinfo>
If it doesn't work there are two things to try:
  • removing the <deviceinfo version="0.2"> and </deviceinfo> lines
  • look for a bug in gnome-auto-mount that makes it ignore storage.automount_enabled_hint
 
  


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