Creating a school computer lab with edbuntu and ltsp

Jeremy Schubert jschubert at shaw.ca
Mon May 21 04:16:28 UTC 2012


Not necessarily stuck on the thin client idea  I'm not sure my next assignment will have top of the line equipment immediately available. Please explain fat clients?  Would this be a combo of XP and programs served by edbuntu?  Or edbuntu on a workstation supplemented by server ran programs?  

On 2012-05-20, at 8:49 PM, David Groos <djgroos at gmail.com> wrote:

> Hey Jeremy, you sold on thin clients or are you considering localapps and fatclients too?
> David G
> 
> On May 20, 2012 8:55 PM, "Jeremy Schubert" <jschubert at shaw.ca> wrote:
> Thanks for the info Mike,  I will create a virtual machine edubuntu server to test this all out.  But here are a few more initial questions fro you and everyone else.  And I'd appreciate any documentation links.
> 
> 1.  Specs for the server?  Assume it was hosting 30 thin clients.
> 2.  I assume that when a client logs in from a machine, their profile (home?) is loaded onto the server so they can move from server to server.  What is the best way of locking down settings per groups?  (For example, what programs they can access, what happens when they surf the net, how much access they have to modifying desktops and backgrounds and if thos modifications remain after logging out...)
> 3.  Can I run batch scripts (or equivelants) to map home folders and other folders/directories for users to access?
> 
> Thanks,
> Jeremy
> 
> ----- Original Message -----
> From: "Mike Biancaniello" <mikebianc at aol.com>
> To: jschubert at shaw.ca, edubuntu-users at lists.ubuntu.com
> Sent: Sunday, May 20, 2012 5:55:27 PM
> Subject: RE: Creating a school computer lab with edbuntu and ltsp
> 
> You really don't need all of the partitions. You can certainly create them in the install, though.
> Personally, I prefer to keep the stuff for which I need RAID to be off on its own server that just handles that and then use NFS to mount the shares (SMB if I must share to windows).
> 
> Edubuntu can install the LTSP during the initial install.
> The standard install is to have 2 NICs on the server. One on the main ethernet (access to internet or other stuff like printers, shares, etc) and one to a private ethernet that hosts only the server and the ltsp clients.
> 
> You can install the server with only a single NIC, but remember that it will answer DHCP requests for anything on that network, so if you have another dhcp server, you would have to edit the edubuntu dhcp config to only answer for the MAC addresses of the client PCs and ignore all others.
> 
> The PXE clients don't need any operating system (mine don't even have hard drives), but you might need to edit the bios to ensure that the NIC is configured to boot "w/pxe."
> 
> 
> All of the clients will use the credentials on the edubuntu server to log in. You can, however, configure the server to use existing domain creds. I can't give you any info on setting that up, as I use kerberos in my house.
> 
> I know that's kind of rambled, but hopefully it will help. I can always answer more pointed questions or clarify if requested.
> 
> 
> 
> 
> From : Jeremy Schubert <jschubert at shaw.ca>
> To : edubuntu-users <edubuntu-users at lists.ubuntu.com>
> Sent : Sunday, May 20, 2012 at 8:04 pm
> Subject : Creating a school computer lab with edbuntu and ltsp
> 
> 
> Hello there,
> I'm used stetting up school computer labs in the following fashion:
> 1. A group of client computers running windows xp or 7
> 2. A widows 2003 server with
> - 2 NICs
> - lots of ram
> - a system partition
> - a hidden partition for log files
> - a data partition for users
> - a partition for ISO files and programs that have to eunn from the server.
> 3. Workstations joined ro the domain forcing users ro login with domain credentials.
> 4. Roaming or
> mandatory profiles.
> 5. Group polocies to enforce certain settings
> 
> I'd like to try the same thing with edbuntu and ltsp. So , basically, can I
> 1. Instal edbuntu on a box with lots of ram and partitions (raid5?)
> 2. Then install LTSI
> 3. Then star the work stations on PXE mode to connect to the server?
> 
> 
> 
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