[GRLUG] LTSP

Godwin geektoyz at gmail.com
Sun Dec 25 23:05:39 EST 2005


It's a good topic indeed.  I've been gobling up some small form factor
PCs from V.C. Tech source.  They work great as thin-clients.  As for
vnc/rdp, neither protocol is broadcasted from (at least my version of)
LTSP, so those clients would not work.  When I upgrade, I'll find out.

cheers,
G-


On 12/24/05, Bill Creswell <billcreswell at gmail.com> wrote:
> Wow - Thanks!
>  Does that mean that LTSP does not work with VNC/RDP type thin clients?  I
> may have misunderstood the point of ltsp. Is it just and X server?
>
>  I did  edit the dhcp for my router, which I presume would also be my
> name-server?
>
>  I appreciate your help! This might be a good topic sometime too, as more
> schools, and homes may be interested in this, especially if there is a linux
> program for monitoring usage (Dan's Guardian?).
>
>
> On 12/24/05, Godwin <geektoyz at gmail.com> wrote:
> >
> > Hi Bill,
> >
> > We use it at work.  I married RedHat 9 with LTSP a long time ago.  You
> > can get ROMs (to use from a floppy or serve from your DHCP/LTSP
> > server) from www.rom-o-matic.net
> >
> > I would imagine most of it is already setup for you.  You just need to
> > tweak a few files.  Here's a typical entry on the dhcpd.conf file:
> >
> --------------------------------------------------------------
> > ddns-update-style none;
> > option domain-name-servers 192.168.37.2, 192.168.37.3;
> > option routers 192.168.37.1;
> > deny duplicates;
> > subnet 192.168.37.0 netmask 255.255.255.0 {
> >         option root-path "192.168.37.113:/opt/ltsp/i386";
> >         option broadcast-address 192.168.37.255;
> >         option subnet-mask 255.255.255.0;
> >         option domain-name-servers 192.168.37.2, 192.168.37.3;
> >         option domain-name "idcomp.net ";
> >         option routers 192.168.37.1;
> >         range 192.168.37.11 192.168.37.99;
> >         }
> >
> > # Boot from floppy.
> > host thinclient4.idcomp.net {
> >         next-server 192.168.37.113;
> >         filename "/lts/vmlinuz-2.4.21-ltsp-1 ";
> >         option root-path "192.168.37.113:/opt/ltsp/i386";
> >         hardware ethernet A0:50:1F:75:6B:C0;
> >         }
> >
> > # Walmart PC - boot with PXE (sis900 nic)
> > host thinclient6.idcomp.net {
> >         hardware ethernet 00:0B:6A:3E:EA:84;
> >         next-server 192.168.37.113;
> >         if substring (option vendor-class-identifier, 0, 9) = "PXEClient"
> {
> >                 filename "/lts/pxe/eb-5.2.4-sis900.zpxe";
> >         } else if substring (option vendor-class-identifier, 0, 9) =
> "Etherboot"
> > {
> >                 filename "/lts/vmlinuz-2.4.21-ltsp-1";
> >                 option vendor-encapsulated-options
> 3c:09:45:74:68:65:72:62:6f:6f
> > :74:ff;
> >         }
> >         option root-path "192.168.37.113:/opt/ltsp/i386";
> >         }
> >
> --------------------------------------------------------------
> >
> > Then look at the "lts.conf" file for specific workstation tweaks (ie.
> > sound, video, COM ports, etc.).  You need to export the home dirs and
> > fonts (via NFS): [/etc/exports]
> >
> >
> ----------------------------------------------------------------
> > # The lines between the 'LTS-begin' and the 'LTS-end' were added
> > # on: Wed Nov 28 11:19:42 PST 2001 by the ltsp installation script.
> > # For more information, visit the ltsp homepage
> > # at http://www.ltsp.org
> > #
> >
> > # Root / folder
> > /opt/ltsp/i386
> > 192.168.37.0/255.255.255.0(ro,sync,no_root_squash)
> >
> > # Swap File
> > /var/opt/ltsp/swapfiles
> > 192.168.37.0/255.255.255.0(rw,sync,no_root_squash)
> >
> > # Fonts
> > /usr/X11R6/lib/X11/fonts
> > 192.168.37.0/255.255.255.0(ro,sync,no_root_squash)
> > /usr/share/AbiSuite/fonts
> > 192.168.37.0/255.255.255.0(ro,sync,no_root_squash)
> > /usr/share/fonts
> > 192.168.37.0/255.255.255.0(ro,sync,no_root_squash)
> > /usr/lib/openoffice/share/fonts
> > 192.168.37.0/255.255.255.0(ro,sync,no_root_squash)
> >
> > # Export /home for local Apps support in LTSP
> > /home
> > 192.168.37.0/255.255.255.0(rw,sync,no_root_squash)
> >
> ----------------------------------------------------------------
> >
> > I believe that's it.  Download a rom for your specific NIC, write it
> > to a floppy then boot the workstation from it.  Not all PC's support
> > PXE booting, but I read somewhere that the newer versions of LTSP
> > support RPL booting as well.  Hasn't worked for me though.
> >
> > cheers,
> > Godwin
> >
> >
> >
> > On 12/24/05, Bill Creswell < billcreswell at gmail.com> wrote:
> > > If anyone has any knowledge of ltsp, I would like to know how to use it.
> > >
> > >  I downloaded and intstalled edubuntu, which supposedly has ltsp enabled
> by
> > > default.
> > >
> > >  I see no services, and I can't vnc or rd into it. I can't find any
> > > instructions on getting started with it.
> > >
> > >  This seems like a great way to give my kids access to a faster
> computer,
> > > but from their own locations.
> > >
> > > --
> > > www.billcreswell.com - family news, notes and writings
> > > http://grComputerWorks.blogspot.com - web and computer
> > > related topics
> > > http://www.grcomputerworks.com
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> > >
> > >
> >
> >
> > --
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>
>
>
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>
> www.billcreswell.com - family news, notes and writings
>  http://grComputerWorks.blogspot.com - web and computer
> related topics
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