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[K12OSN] Re: K12OSN Digest, Vol 56, Issue 30



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Today's Topics:

  1. Re: How to change X-terminales networks ( Arturo Lim?n )
  2. Codweavers software for free Tuesday, October 28th
     (Burroughs, Henry)
  3. Fl_TeacherTool security alert notice (Robert Arkiletian)
  4. bash script: generate icewm menus (Peter Hartmann)


----------------------------------------------------------------------

Message: 1
Date: Mon, 27 Oct 2008 19:16:05 +0100
From: " Arturo Lim?n " <arturo susetic com>
Subject: Re: [K12OSN] How to change X-terminales networks
To: "Support list for open source software in schools."
	<k12osn redhat com>
Message-ID:
	<a8671ab0810271116m1be6ff4h3b7ce85579d3b063 mail gmail com>
Content-Type: text/plain; charset="iso-8859-1"

2008/10/27 Sudev Barar <sbarar gmail com>

Neat. Can you extend this a bit and also make MAC address of
interfaces sticky? There are distro out there which create problems by
assigning eth0 / eth1in changing sequence.

Typically the file /etc/network/interfaces (Ubuntu) is the one that
need to be manipulated.


I know how to manually do it in CentOS (HWADDR parameter in ifcfg-ethx
files), and probably it will be possible to include it in the script, but I do not know how to do it in other distros, so it will not be very portable, I fear. Anyway I will try the CentOS version if I have a while (I am quite
busy lately).

Regards,

Arturo.
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Message: 2
Date: Mon, 27 Oct 2008 16:07:20 -0400
From: "Burroughs, Henry" <HBurroughs hhprep org>
Subject: [K12OSN] Codweavers software for free Tuesday, October 28th
To: <k12osn redhat com>
Message-ID:
	<3437EBC2F7B463439E7CD8796349DCF278C803 enterprise hhp hhprep org>
Content-Type: text/plain; charset="us-ascii"

Tomorrow, Tuesday October 28th will allow you to "purchase for free"
with a coupon code all of Codweaver's crossover office (Mac and Linux)
as well as Crossover Games software with a year's worth of support.
Codeweavers is a huge supporter of Wine.



Here at my school we use Crossover Office to run Office 2003 on our
Thin-Clients, and previously the 5.2 version of Accelerated Reader.





To read up on the story, see this Digg article:



http://digg.com/software/CodeWeavers_giving_away_all_software_Tuesday_Oc
t_28th





Henry Burroughs

Technology Director

Hilton Head Preparatory School

www.hhprep.org

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Message: 3
Date: Mon, 27 Oct 2008 14:47:09 -0700
From: "Robert Arkiletian" <robark gmail com>
Subject: [K12OSN] Fl_TeacherTool security alert notice
To: "Support list for open source software in schools."
	<k12osn redhat com>
Message-ID:
	<a18d8e260810271447x746da98rdd391c78c9bc7744 mail gmail com>
Content-Type: text/plain; charset=ISO-8859-1

Security Notice:

I would like to notify everybody about a security issue that is
created in the Fl_TeacherTool installation procedure.

A security vulnerability exists if you enabled Monitor/Control by
following the instructions here:
http://www3.telus.net/public/robark/Fl_TeacherTool/installationk12ltsp.html#monitor
(instructions pasted below)

-----snip------
Edit the file /opt/ltsp/i386/etc/lts.conf and uncomment (i.e. remove the "#"):
X4_MODULE_02 = vnc
Become root:
su -
Make a password for the vnc-session:
/usr/bin/vncpasswd
Copy the password file into the ltsp-tree:
cp -a  /root/.vnc  /opt/ltsp/i386/root/
Log out of root session:
exit
Reboot your clients!
-----snip-------

Please be aware that anyone with some Linux knowledge could
potentially take control of, or monitor, a client computer.

If you do not feel comfortable with this situation, especially if the
teacher workstation is a client machine, then follow the simple work
around patch below.

******Work Around / Patch:******
Notice: this will disable monitor/control and snapshots in Fl_Teachertool.

Edit the file /opt/ltsp/i386/etc/lts.conf and *COMMENT* the vnc module line
(i.e. INSERT a "#" at the beginning of the line):

# X4_MODULE_02 = vnc

reboot the client machines.

For good measure, delete your old vnc password files:
rm  /opt/ltsp/i386/root/.vnc/passwd
rm  /root/.vnc/passwd


--
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telus.net/public/robark/



------------------------------

Message: 4
Date: Tue, 28 Oct 2008 11:09:01 -0400
From: "Peter Hartmann" <ascensiontech gmail com>
Subject: [K12OSN] bash script: generate icewm menus
To: "Support list for open source software in schools."
	<k12osn redhat com>
Message-ID:
	<9bd317560810280809w5d35a135j179b3de40355ad23 mail gmail com>
Content-Type: text/plain; charset=ISO-8859-1

icewm-menu-gnome2  never satisfied me because it leaves out all of the
kde applications.  Then I discovered icewm-xdg-menu which is great
except it has a tendency to  hang the users session for 20 seconds
after authentication.     I put together this script that uses
icewm-xdg-menu to output a formatted file ready to be added to
/usr/share/icewm/menu.    I hope some other icewm users find this
usefull.

-Peter


http://hartmanncomputer.com/generate-ice-menu


#!/bin/bash
Today="`date +%F`"
#This will generate a formatted file that can me added to /usr/share/ icewm/menu.

echo "menu Applications  folder {" > icemenu-$Today

icewm-xdg-menu  | awk -F / '{print $1}' | grep menu | sed 's/prog//' |
while read line

do
echo $line  { >> icemenu-$Today
# Carefull, sometimes the category names don't agree.
# Run icewm-xdg-menu on the command line and make sure that
# the second word is the same as the word after  "--root-folder".
# If not, add more sed statements in a similar fashion.

name=$( echo "$line"  | awk -F'"' '{print $2}'| sed -e s'/SMART\
Board\ Software/smarttech-software/' -e s'/Sound\ &\
Video/Multimedia/' -e s'/Programming/Development/' )

/usr/bin/icewm-xdg-menu --root-folder "$name"  >> icemenu-$Today
echo } >> icemenu-$Today
done

echo } >> icemenu-$Today



------------------------------

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End of K12OSN Digest, Vol 56, Issue 30
**************************************

Stephen Haworth
Technology Coordinator
Alamo City Elementary School
Office: (731) 696-3116
Mobile: (270) 227-2502
Fax: (731) 696-2541

http://www.alamoschool.org






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