I don't have much experience w/ LTSP 5, but in 4.2 the lts.conf file
controls mostly X-related stuff. The top of the file contains defaults,
and down below you can specify per-client options like Jim Kronebusch
described. The per-client options can done by either MAC address or by
hostname.
You can also define groups like this:
[some_special_client]
XSERVER = vesa
<other options here>
and then use the statement:
LIKE=some_special_client
in any of your per-client configs. This is mentioned in the
documentation for LTSP 4.2. I assume it works the same in LTSP 5, but
I'm not sure.
-Rob
Bill Moseley wrote:
> On Fri, Nov 09, 2007 at 01:47:36AM -0500, Jim Kronebusch wrote:
>> You put the file in /opt/ltsp/ppc/etc and name it
>> XF86Config.yourcustom (or whatever you want). You can put 100 of
>> these in there. Then in lts.conf you call out custom options to
>> each machine, you can use the machine name or Mac address like so:
>>
>> [00:03:93:92:88:98]
>> XSERVER = ati
>> XF86CONFIG_FILE = XF86Config.yourcustom
>
> Too much magic.
>
> I'm not near the ltsp setup now, but I can ssh into the ltsp server.
>
> It would really be helpful to understand more of the mechanics of
> this.
>
> The Edubuntu handbook says:
>
> The lts.conf file will be parsed, and all of the parameters in
> that file that pertain to this thin client will be set as
> environment variables for the S20ltsp-client script to use.
>
> Parsed by what? I couldn't find the script that parses the
> lts.conf file (maybe it's a binary).
>
> I don't have a ltsp-client, but a ltsp-client-setup and the only thing
> it does is:
>
> configure_x() {
> # If the user has specified an xorg.conf file, then copy it over.
> xserver_config="/etc/X11/xorg.conf"
> [ -n "$X_CONF" ] && [ -f "$X_CONF" ] && \
> cp "$X_CONF" "$xserver_config"
> }
>
> Does the parsing of XF86CONFIG_FILE from lts.conf set X_CONF (and
> prefixes /etc/ to it)?
>
>
> And where are things like X_HORZSYNC and X_VERTREFRESH used? In the
> tool that builds xorg.conf? Which tool is that? When I goggle those
> settings I see them used almost always with ltsp.
>
> /etc/default/ltsp-client-setup has:
>
> if [ -n "$(which xdebconfigurator)" ]; then # xdebconfigurator is installed
> bindfiles="$bindfiles /etc/X11/xorg.conf"
> else
> # If not, copy the entire X config directories to get reconfigure
> # working. This uses more memory on the client than the
> # xdebconfigurator alternative.
> copy_dirs="$copy_dirs /etc/X11 /var/lib/x11"
> fi
>
> But I don't have xdebconfigurator. In this case is it using
> dpkg-reconfigure?
>
> BTW -- if I have 40 machines that need the same settings in lts.conf
> is there a way to group them or maybe do regex matches on the MAC or
> hostname?
>
>
>
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