On 11/20/06, Eric Harrison <eharrison mail.mesd.k12.or.us> wrote:
> Robert Arkiletian wrote:
> > On 11/20/06, David Trask <dtraskvcsvikings.org> wrote:
> >> "Support list for open source software in
schools." <k12osnredhat.com>
> >> writes:
> >> >
> >> >As for Edubuntu, they have "Student
Control Panel" which has many of the
> >> >features of Fl_TeacherTool.
> >
> > Yes, this is why I have not ported fl_TeacherTool
to Edubuntu. In
> > addition, Edubuntu has strict requirements for
apps being accepted.
> > Namely, they prefer apps be coded in GTK+ not
FLTK. GTK+ keeps the
> > GNOME look and feel.
> >
> >>
> >>
> >> And was adopted as a spec for Fiesty (due in
April) with much more
> >> functionality. So....in essence working to
adopt FL_Teachertool for
> >> Ubuntu will be duplication of efforts already
underway.
> >
> > I have read some of the spec for SCP
> > https://wiki.edubuntu.org/StudentControlPanelCompletion
> > and as far as I can tell the extra features which
it will have are
> >
> > 1) enabling restrictions on users with pessulus
> > 2) setting up a "group system" where
only students who belong to a
> > teacher will show up in the user list
> > 3) Prettier GUI with icons beside processes
> > 4) Plugin mechanism to make it easier to add other
features
> >
> > Are there any other extra features in SCP?
> >
> > BTW I have been thinking about #2. This is
required for schools with a
> > powerful ltsp server running multiple classrooms.
I don't think it's
> > possible to do this properly without filtering by
mac addresses.
> > Imagine a student enrolled in 2 different IT
classes in different
> > blocks. If teacher Smith has the student in block
A and teacher Jones
> > has the student in block B then if the filtering
system is simply
> > based on groups, it will fail since he will show
up in Smiths block B
> > classlist.
>
>
> The simplest scenario I can think up off the top of my
head is to allow
> each teacher to have multiple filters. "Period
1", "Period 2", "Math
> lab", etc.
>
> Perhaps it would be better to think of this as an
"attendance list". The
> teacher creates an "attendance list" that
contains all of the students
Yes, this was my initial thought also but I changed my mind
as it has
too many down sides. What if you get new students, or
students drop
the course? Who is going to maintain the list? Or create it?
In
addition, what if teachers bring in students who don't have
usernames
but use comp1, comp2 etc..? It won't work. I think the best
solution
is to create a list of mac addresses in a lab. Put this list
in a flat
file with room # (like this)
room 306
some:mac: address
some:other:mac:address
etc..
rooom 307
some:mac: address
some:other:mac:address
etc...
and have fl_TT read the file. When fl_TT initially comes up
it list
all students on the ltsp server. If you want only your room
you type
in your room number into the input box and click users.
Boom, you only
get the kids sitting in your lab. I can do this. Plus the
only time
you need to update/edit the mac address list is if you
replace client
computers/nic.
> for the class/period/room/or whatever makes sense to
them. When the
> "attendance list" is selected, it pops open a
window and the teacher
> then deselect/select students to match who is actually
present in the
> class. When they select "Ok", we use that as
the filter...
>
> > So, for the next version of Fl_TT, I thought of
having a
> > simple flat file with room #'s associated with MAC
addesses. If I can
> > poll and associate a mac address to an ip I can
filter the list by
> > reading the flat file. (Doesn't nmap do this?)
> > The advantage of this solution is that if the labs
are being used with
> > generic logins (comp1, comp2, etc) it will still
work.
> >
>
> "/sbin/arp -n" will give you the mapping of
IP address-to-MAC addresses.
>
>
> This would be useful to create a filter for a room or
lab (i.e. "monitor
> the Reading Lab")
>
> -Eric
>
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>
--
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool h
ttp://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telu
s.net/public/robark/
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