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i have a question, now let us say i do have some server which running a LTSP over ubuntu . and i have lots of other diskless or with disk to connect to this ltsp, in this case all the procissing will be done on the server side. what if i want each machine that connects to the ltsp over PXE boot to run the prossising on it is own CPU ... do u think this is can be done ? like a fat-client using ltsp ?
it quite a common practice these days:
nubae2: Error: "fatclient" is not a valid command.
@g search nubae.com/fatclient
582 Results | Re: Using nubae fatclient [was Re: whi @ http://email@example.com/msg04981.html | Re: Using nubae fatclient [was Re: whi @ http://firstname.lastname@example.org/msg04978.html | running nubae's fatclient in a lab...: @ http://osdir.com/ml/edubuntu-users/2009-02/msg00019.html | Nabble - edubuntu-users - running nubae @
anyway try out the plugin, works quite well
nubae2: so the ltsp has the fatclient plugin ?
nubae2: but that will used normaly with ltsp ?
nubae2: nice work !.. what i did not understand u wrote " Download here " and it is a shell script but i don't udnerstand what this script doing ? building the LTSP-FatClient Image ?
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DarKnesS_WolF: How much do u understand of the concept of thin clients?
try and describe it to me
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nubae2: sorry bad connection what i understand about thin clients that u do have one powerfull machine and many diskless machines
on the powerful machine u run terminal server and the diskless nodes just connects via pxeboot and fetch the image
but all the running prociess and memory are grabed from the powerful machine resources not from the thin client.
so if u have a P III machine and a server whiche is Xeon acting like TS , then the PIII takes the power from the Xeon.. the running OS / the memory the prossors and everything ..
nubae2: is that correct ?
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any gentoo people around?
what's the way to go for the ltsp installation
follow the dberkholz setup at http://dev.gentoo.org/~dberkholz/ltsp/setup.txt?
or install ltsp-server from git and do ltsp-build-client?
sorry was on phone
nubae2: okay perfect now the fat-client should be same concept
the proccising and the memroy and so on will be done on the client not on the server
so what fatclient does is build a whole fat nbd image for you and distribute it to your more powerful machines
in this case all i need the powerful server for is just the dhcp tftp server and the image right ?
so things like centralised management of apps and users are still on the server
yes that what i am looking for ..
i'll have lap like 20 pcs
i dont' want to apt-get blabla on 20 ;-)
but the clients use their own ram and power mostly so that u can run flash, bandwidth intensive stuff blender
ok i didn't get this plugin :)
yeah u dont need much for a server really... except remember it still has to build the image
so the better the machine, the faster the image is built
i did read ur howto it is like installing any ltsp but u do just add -fatclient applications .. so what the download here shell script is for ?
it creates the entire fat environment
nubae2: ok the server actually is a monster machine ;-) and the clients even are xeon machines acctually but i want the centrlized mangment .
okay will use it on 64bit image
so.... enables sound, printer, local apps of choice,
because right now i already have ltsp running the classic way .
nubae2: ok i have another idea but not sure if i can do it..
well, I advise it.... Sameer Verma in San Francisco is currently running it in a production lab for 32 clients and qutie happy
and I believe in SA they are running in many schools too
or it can be done. i was thinking of having like one server running virual images of many OS like XEN / openvz / vmware any solution like that .
I have tested extensively on intrepid.... but someone recently sent me a fix for hardy too, so think it will work there also
and then the clients will run a very minimal OS whihc can grap any image of the server and runn it local .
so vm per app or what?
why the vm I mean to ask really
not like that may be for OS like i'll have ubuntu / suse / windows anything i wanna test.
well that can be done 2 ways
virtual players locally on the fatclients
nubae2: i wished i was able to do it via PXE boot but not sure how yet.
or other connections like rdp or whatever
okay that is a one which is common i think...
yes but in both cases u need actually an OS running :)
i am thinking of libvirt on a minimal debian or something
very powerful tool seems to be.
but no vmware support it do qemu / xen / kvm / openvz even
libvirt running where now?
well... u need just One OS image running
it could be put into a shared nfs folder
fat or thin, the idea there is the same really
yes libvirt will be running on a minimal debian or something
and via it connects to the xen server or so
if u can get it to work nice... I have had problems with it recently
well it can do xen or qemu
openVZ by the way sounds very great
even my VPS using it
I do not know it
it is OS virluziation level like a countainer
brb reboots for xen kernel be back i nfew
I've used virtualbox, kvm, and vmware, but not this one
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DarKnesS_WolF: it seems to me that you don't want ltsp at all, just plain AoE... :)
Ata Over Ethernet... we have this in ltsp too :)
stilll unsure what ata over ethernet uis
A remote hard disk, served by the server
So he could have 1 disk for linux, 1 for windows, 1 for whatever...
...and server them to the clients
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if one is using ATA across ethernet why not just use iscsi ?
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nubae2: sorry took so long.. thx for the advice will test ur plugin tomorrow at work :) should i say which application included in the fat image ? or if i did not say anything it will generate pretty much all teh installed applications ?
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look in the script
there is a list of packages
which u can adapt
by using the flag --highfat u install a pretty full desktop (about 1 gig of stuff)
alkisg: whats the advantage of ATA over doing virtual images then?
The advantage is that you can e.g. boot native Windows. No remote X, no rdp, just remote disk.
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what would cause my firefox page to refresh really really slow
Im using proprietary ati drivers
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i am running an amd64 system with i386 clients. i want to install additionial packages for the thinclients. how do i specify the architecture in the chroot environment
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schregge, exactly what packages are you referring to?
but i thin i have it. setarch i386 chroot.....
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Hi! Has anybody experience with wine in an LTSP environment? Setting up applications for a lot of users?
phytax: sounds like something that would want a powerful machine.
ball:its a hp proliant with 16 GB ram and 2 x xeon quad core
phytax: it can be done, yes
there are peeps that do it and have done it. if you get it figured out by asking etc, please write a doc on it
phytax: sounds appropriate.
Here i am asking ;-)
The installation will serv 26 clients in a school
phytax: what kind of application? Can it run on windows without installation (as a portable app)?
No, sorry. The most wanted app is Delphi3 IDE
...and I suppose you don't want to have multiple installations, one for each user, eh?
It works for a single user. But installing for 900+ users is not ok
Then you'll probably have to do something with permissions, to make all of them use the same "drive_c" in wine
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alkisg:Yes, that's my approach, too. I hoped i would find somebody here who has done it before.
phytax: I've done it but only for applications requiring no installation - I've even made .debs out of them
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phytax: the best way would be to install in one user, and then put a unionfs on top of it for other users - but someone has to do it and write a good tutorial first :)
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alkisg: sounds interesting.
stupid xorg.... my fglrx driver suddenly stopped working since yesterday
phytax: just wondering, any specific reason for not using Lazarus instead of delphi 3?
so I guess ATI is a bad choice now too... since there are no open source drivers for my card
and in the mean time I'm running in VESA
hi alkisg :-)
Heeeellloooooo nubae2... throw it away and buy an intel one :)
|14:13||* nubae2 always comes in with a routine bitching about something, and then a greeting|
I've got one box where I can't seem to run an Xserver, period.
thats quite dumb... one can t do /server commands directly in the haze part of empathy
guess I'll foi file a bug report
alkisg : The teachers are new to linux and they need time for acclimatization
if only the sayying a bug report a day keeps the technician away were true :p
hmmm but that does make for an interesting email tag line
phytax: I think it'll be a bigger problem for them running delphi under wine, along with the applications they develop. Anyway, their call...
well, delphi has kilix running under it
In wine? nah...
but Ive had delphi apps running under crossover before
no of course not, natively... killix = delphi
Kylix is a linux version of delphi, but it was made really long ago, I doubt it would be easier to install now than the wine-based version
yes, but kylix does not install under x86_64 ...
(Delphi was my main programming environment for the last dozen years)
alkisg: and what is your opinion about lazarus?
alkisg: funny, my lead dev in my first software company too
we wrote a pretty elaborate real estate piece of software called q property
wonder if its still floating around some place
phytax: if it runs on gtk2 now (I haven't look at their latest progress) it'll be easier for the teachers than using delphi 3.
using delphi though, is a little like using a glow worm for light
a very ancient and traditional approach to problem with more modern solutions :-)
Delphi and Pascal is really nice... a shame that it doesn't have a big community or big companies behind it
hehe, ok. But in this school the teachers use it.
I miss Pascal a lot.
pascal is more like using a 80s style mobile phone to ring from the ocean :p
It seems to be a good way to teach children programming, anyway
Logo's a good way to teach children programming.
Logo sucks. Scratch is a lot better
The logo syntax is a mess
Pascal's a good way to write maintainable code.
alkisg: thank you for your time. I will think about unionfs and wine. bye
bye... there are some tutorials on the net using different approaches, google is your friend. :)
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any gentoo people around?
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does anyone have a link to information on nbd usage?
I have trouble having multiple users on one server
ugh, slow brain today
nbd bandwidth usage, I mean
you could use iptraf and look for traffic on port 2000 (the default used with NBD on ubuntu and debian)
nothingman: My biggest server currently has 3500 connections on it and works well
2xXeon 3.2Ghz, gigabit link and 3GB of RAM
but that's because it's the smallest configuration I could find available as blade for that customer :)
and for clients?
clients are mainly Wyse thin clients (via based) and some webdt (geode based with 90MB of ram ...(
hm, I have an older 100Mb hub and 256MB laptops acting as clients to a 2GHz laptop with 1GB
any suggestions what my bottleneck might be?
nothingman: a hub or a switch?
oh, a hub I think
nothingman: you could try connecting it with a crossover cable directly to the other laptop
you can't expect to do any ltsp work with a hub
you need switches
otherwise one client's traffic will kill your whole network
it's pretty good once they're all booted
Ryan52: is it possible to display a multi-line message with ldm-dialog ?
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hmm. one sec.
stgraber: $ ./ldm-dialog --message "a
that works fine for me.
Ryan52: cool, and is there a way to make the window bigger ?
Ryan52: What I need for ltsp-cluster is to show a message at the first boot of the thin client with it's IP address, mac address and URL of the control center
so the tech doing the install can just connect to the web UI and configure the thin client
So basically a "This thin client hasn't been configured yet. Here is the system informations:" and then IP, MAC, URL to the control center and possibly more things (CPU, RAM and video)
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why do you need it bigger?
is the stuff too wide?
if you need it wider, tweak ldm-dialog.c, there are some things defined at the top. :P
alternatively I can just add a --width option easily.
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that or a --fit-content option that'd disable the forced width
(usually gtk is good at that)
I think I have some form of evil that I used that makes that not work.
I'll look at it when I get home and have a window manager that will actually let me see the width ... this window manager forcibly stretches everything.
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Ryan52: another thing about ldm-dialog, for the translation of the buttons you're currently using gettext. Was there any reason not to use gtk's stock buttons ? I believe these are translated as part of gtk and automatically gets the right icon
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knipwim: hi, much of my howto is outdated now. you want the ltsp overlay (available in layman)
stgraber, ya, I'll look at that too.
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