[K12OSN] remote login
Will Hatch
fhkms at adelphia.net
Wed Sep 22 14:58:44 UTC 2004
I don't completely understand your instructions yet, although they seem very good and I think I could figure this out. But, I'm thinking that I need a static ip address for my k12box, which I do not have. Adelphia provides internet for free because we are a school within a certain distance from the line. Do I need a static ip? Thanks Petre
>
> From: Petre Scheie <petre at maltzen.net>
> Date: 2004/09/22 Wed AM 10:42:40 EDT
> To: "Support list for opensource software in schools." <k12osn at redhat.com>
> Subject: Re: [K12OSN] remote login
>
> With a few assumptions, 1) that you can ssh into the Ipcop box from
> wherever you'll be doing your presentation; 2) that the VNC server is
> running on the K12lstp box (which it is by default, but some take it out
> if they have no use for it); you'll have a Linux box at the
> demonstration site--I don't know if this can be done with a Windows
> box. With those things in place, you can do this:
>
> From the remote location (where you'll be standing when doing your
> presentation) at a shell prompt, type
>
> ssh -C -L 3700:k12lstpbox:5900 ipcopbox
>
> where k12ltspbox is the name of the k12ltsp server (and ipcop knows the
> address of that box--if not, use the address of the ltsp box), and
> ipcopbox is the publicly accessible name or address of your school/ipcop
> firewall. This assumes that the ID you are using on the linux box at
> the demo site is valid on the ipcop box; if not, add '-l valid_id' where
> valid_id is a legit ID on the ipcop box. Once that's connected, on the
> linux box at the demo site, fire up vncviewer and point it at
> localhost:3700, and you should get the LTSP login screen just as if you
> were at the school and pointed vncviewer at the server.
>
> What the above command does is creates a compressed (-C) tunnel in which
> anything directed at port 3700 is sent to the ipcopbox which then
> automatically directs the traffic to port 5900 (where vncserver listens)
> on the K12ltspbox.
>
> I use this regularly to securely connect to remote LTSP servers where I
> need to actually see the desktop in action. It can be a bit slow,
> depending on the size of the pipes and the load on the ipcop box and the
> ltsp server, but it's certainly usable, especially for a demo. You
> could even take, say, two or three laptops (borrow some and use knoppix
> disks to get an instant linux client) to the demo site and have them all
> doing this to really show off. I'd test it beforehand though just to
> make sure it doesn't bog down too much.
>
> Petre
>
> Will Hatch wrote:
>
> >Hi all,
> >
> >I am taking a education class where we have to make a powerpoint presentation on a educational topic. I want to talk about open source software in schools, and to show what I have done here at this school with recycled computers and the k12 package. I though it would be cool to be able to remotely login to my server while doing my powerpoint presentation. Then, I could show how it actually works. How do I do this and is it too complicated for this rookie? Also, I have a Ipcop box between my cable modem and my k12 box, as a firewall/router with dansguardian content filtering; in case this complicates things. Thanks!
> >
> >
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> >
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>
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