IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 15 May 2011   (all times are UTC)

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08:15
<madcat>
someone here helped me a long time ago very generous friend i forgot his name
08:19
goodnyt everyone
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08:37
<Hyperbyte>
eh
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17:33
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18:36
<html_inprogress>
hey
18:47
would this sever be a good thing for ltsp?
18:48
http://www.pcliquidations.com/p6607-chenbro-micom-rm21706-2
18:50
<vagrantc>
you'd probably want more ram, depending on how many users... and of course you'd want disks...
18:50
the processors are a little on the slow side
18:51
html_inprogress: how many users, what sort of applications?
18:51
<html_inprogress>
im a noob at servers so can you tell me
18:51
what can i do at best with this?
18:52
web sever ? hosting games? mm
18:52
ftp
18:53
http?
18:58
hello?
19:27
vagrantc, hello?
19:49
<vagrantc>
heh. sorry.
19:49
stepped out for a bit
19:51
html_inprogress: i run some multi-user setups on comprable hardware with more ram, though with lightweight desktops such as lxde
19:52
<html_inprogress>
ok, well im new to this server stuff , and this ltsp, but im willing to learn,,
19:52
so can you give me ,so noobie help?
19:53
<vagrantc>
what distro and version?
20:02spectra (~spectra@debian/developer/spectra) left irc: Ping timeout: 264 seconds
20:02
<html_inprogress>
sorry multi -tasking
20:02* vagrantc too
20:03
<html_inprogress>
ubuntu 10.04
20:03
<vagrantc>
gnome is a little on the heavy side ... how many users do you intend to server with LTSP?
20:03
gnome is what ubuntu uses by default
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20:10
<html_inprogress>
.
20:11
well whats that overall rating of the sever?
20:11
<vagrantc>
?
20:12
<html_inprogress>
well i didnt buy it yet,cuz i need to know how much of a workload i can put on it , on a scale form 0-100
20:13
100 is max
20:13
<vagrantc>
meaningless scale
20:14
in general, need to know several things ... how many concurrant users, and what software they plan to run
20:14
<html_inprogress>
100 less then >
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20:19
<html_inprogress>
would fat cleint help?
20:19
<vagrantc>
fat clients would offload most of the work to the clients, yes.
20:20
but then you need clients with enough ram.
20:20
and processor
20:20
in the end, there's nothing like actually testing to see what your needs are
20:20
<html_inprogress>
so that what i need to offset the work load? u mean?
20:21
<vagrantc>
you haven't even told me if you're planning to support 1,000 users or 2
20:21
<html_inprogress>
i like to be flexable, and kinda beffy
20:21
<vagrantc>
or what application(s) they will run
20:22
<html_inprogress>
office/school type, apps
20:23
open office
20:23
tons of web/firefox
20:24
<vagrantc>
the server you mentioned might handle a few users with that sort of setup ... maybe 5 at most.
20:25
<html_inprogress>
5 users ?
20:26
<vagrantc>
it's only got two 2.4 GHz CPUs and 2GB of ram ...
20:26
that's not really any better than your average single-user desktop these days
20:27
<html_inprogress>
well im thinking of putting 80gb of ram
20:27
<vagrantc>
with fatclients, you could get a lot more out of it
20:27
you'll still need faster CPUs
20:27
<html_inprogress>
if can fit it in
20:32
so what faster?
20:32
then what i got?
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20:32
<vagrantc>
html_inprogress: i think you're just going to have to experiment and see what works.
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20:35
<html_inprogress>
fat cleint, is what im going for
20:35
<vagrantc>
fat clients keep the server requirements minimal
20:35
but you'll want at least 1GB of ram in each fatclient
20:36
<html_inprogress>
so if i full upgrade , whats my user count at ?
20:36
<vagrantc>
what do you mean by upgrade?
20:36
<html_inprogress>
like the hardware
20:37
if it was fully upgraded whats my max user count ?
20:37
<vagrantc>
bah.
20:37
fully upgraded doesn't mean anything
20:37
<html_inprogress>
i hope its better then 5
20:37
really?
20:37
<vagrantc>
html_inprogress: you're just going to have to try and see.
20:38
<html_inprogress>
i dont have the money, to do so, im at a crossroads
20:38
<vagrantc>
i *estimated* 5 users with a thin client model, given the fairly low-powered server you mentioned earlier
20:38
but you say you can do fatclients ...
20:40
<html_inprogress>
yes.
20:41
<vagrantc>
how many users would you like to be able to serve?
20:41
that should be easier to answer than me trying to pull magic numbers out of thin air
20:42
<html_inprogress>
3 class rooms, 100max but a steady flow of 16,
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20:42
<vagrantc>
100max what? users?
20:42
<html_inprogress>
to high?
20:42
i mean too much?
20:43
sorry im really new to this
20:43
<vagrantc>
so 100 people using fatclients at the same time?
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20:44
<html_inprogress>
well if i can ,
20:44
<vagrantc>
i'm just trying to confirm i understand what your goal is
20:46
<html_inprogress>
yes 100 ppl is my small goal , 700 ppl is my middle goal 1200 is my BiGG gooal,,, , with fat clients
20:46
i heard of mulit-severs , so can i do this?
20:47
<vagrantc>
even with fat clients, you'll need much better hardware ... i don't know how much nicer- i don't do anything that big.
20:47
or more servers
20:48
your limitation will probably be network and disk bandwidth is my guess ...
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20:48
<html_inprogress>
sorry if im im being on your nerves
20:48
:( thanks so far
20:49
i have a gb network
20:50
ok lets go small then ,
20:52
<vagrantc>
i'd start with one classroom, see how that performs
20:54
in extremadura, spain, they have/had a few thousand servers, one per classroom, serving around 20-30 at a time doing thin clients ... a little more powerful servers than what you mentioned
21:00
<midasxl42>
Hello, i'm using LTSP in edubuntu 10.4 and when i start up the thin station it connects but i get no login screen. all i get it a white screen and a mouse pointer.I get a ltsp 20 with the clients ip address but nothing else.. can anyone help me with this.. Thanks
21:00
<html_inprogress>
really? whats theyre hardware on the server, ? do got the link?
21:01
im the noob here...
21:01
sorry
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22:43
<alkisg>
vagrantc: thanks for the ipxe/grub2 patch, that's not actually committed and we're waiting for feedback from waldi, right?
22:45
<vagrantc>
alkisg: yup
22:45
<alkisg>
ty :)
22:45
<vagrantc>
alkisg: seemed like the simplest way to do it ... just integrate it into the existing package, and only have it add menu entries on the appropriate architectures
22:45
<muppis>
:D
22:46
Good morning everyone. :)
22:46
<alkisg>
vagrantc: the downside is that it adds "boot from network" entries even if the sysadmin there only wants ipxe.iso
22:46
Hi muppis
22:46
vagrantc: e.g. on an LTSP server, the sysadmin might want ipxe.iso but not "boot from network" for his server
22:47
But np, personally I don't mind :D
22:47
<vagrantc>
alkisg: sure, but they can disable the snippet
22:47
<alkisg>
Indeed
22:47
<vagrantc>
and it won't likely be the default menu entry
22:48
<alkisg>
True, if we put a 30_ in front it'll be after memtest
22:48
(or 4x to be the last one)
22:51
<vagrantc>
alkisg: i seem to recall reading 20_ being reserved for this sort of use-case
22:51
<alkisg>
Ah, k, I didn't do my homework for that
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22:51
<vagrantc>
see /etc/grub.d/README
22:52
although it doesn't specify anything above 20
22:53
<alkisg>
Yeah it seems out of date with 30_os-prober
22:53
But agreed, 20_* is what matches our use case
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22:58
<alkisg>
html_inprogress: in http://www.pcliquidations.com/p6607-chenbro-micom-rm21706-2 , are those 2 LAN ports gigabit? Or 100mbps?
22:59
If they're gigabit, that's a very good server for fat clients... (with the additional disks in raid)
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23:55
<html_inprogress>
alkisg, http://www.chenbro.com/corporatesite/products_detail.php?sku=23
23:57
<alkisg>
html_inprogress: It doesn't mention anything about the speed there
23:59
<html_inprogress>
well thats the link for it posted on the web sells site
23:59
alkisg, ,,
23:59
<alkisg>
ok
00:00--- Mon May 16 2011