Local apps and nat

David Hopkins dahopkins429 at gmail.com
Mon Feb 15 18:58:53 GMT 2010

I've followed the instructions for installing firefox and flash as local
apps for 9.10.  Firefox launches and is running locally (e.g. it has the on
ltsp20)  However, I sure I have nat set up properly.  I use a 2 NIC setup so
I started following:
https://help.ubuntu.com/community/UbuntuLTSPKarmicLocalAppsFirefox (note
that installing flashplugin-installer from apt fails.  Instead, I downloaded
the libflashplayer.so and copied it to the plugins directory, then created a
link from fire-addons)

Next I followed:
https://help.ubuntu.com/community/UbuntuLTSP/ThinClientHowtoNAT ...

The step that concerns me is setting 'option routers;'  since
the dhcpd.file already has '    option routers;' ... my final
dhcpd.conf file is below.  Since eth1 is defined in /etc/network/interfaces

auto eth1
iface eth1 inet static
    up iptables-restore < /etc/ltsp/nat

I'm assuming that the 'options routers;' isn't valid and
actually prevents any routing from occurring by accident?

I still have to install totem and the other plugins for firefox. I thought
when the image was built that it was based off of the server's image, but
that doesn't seem to necessarily be true for the plugins.
Finally, I also have an issue with local devices from all thin clients
showing up for all users ... nothing like having 32 floppy devices
automagically appearing on everyone's logins but there seems to be some
discussion of this as well.  That is next.

Dave Hopkins

My dhcpd.conf file

# Default LTSP dhcpd.conf config file.


subnet netmask {
    option domain-name "example.com";
    option domain-name-servers;
    option broadcast-address;
#    option routers;
    option routers;
#    next-server;
#    get-lease-hostnames true;
    option subnet-mask;
    option root-path "/opt/ltsp/i386";
    if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {
        filename "/ltsp/i386/pxelinux.0";
    } else {
        filename "/ltsp/i386/nbi.img";
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