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01:03 | <uniconformist> anyone here?
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02:01 | <jammcq> g'morning
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02:01 | <sbalneav> !monkeys
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02:01 | <ltspbot`> sbalneav: "monkeys" is SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
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02:03 | <highvoltage> jammcq: morning :)
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02:06 | <sbalneav> vagrantc!!!!!!!!!!!!!!!!!!!!!!
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02:13 | <jammcq> highvoltage: hey
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02:13 | !s
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02:13 | <ltspbot`> jammcq: "s" is Scotty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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02:47 | <vagrantc> sbalneav: buenos dias!
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02:47 | <sbalneav> Com esta?
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02:48 | <vagrantc> estoy cansado
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03:15 | <highvoltage> !monkeys
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03:15 | <ltspbot`> highvoltage: "monkeys" is SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
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03:55 | <uniconformist> does anyone know if webcams work on clients?
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04:06 | <highvoltage> ltspbot`: superhero scott is http://www.youtube.com/watch?v=GrUJNA-VFbE
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04:06 | <ltspbot`> highvoltage: Error: "superhero" is not a valid command.
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04:07 | <highvoltage> sbalneav: http://jonathancarter.co.za/ubuntu-education-summit-wrap-up
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04:08 | <genjix> I met that guy at the FISL!
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04:08 | very friendly :)
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04:08 | "superhero scott"
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04:09 | <sbalneav> I am here!
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04:09 | genjix: Thanks!
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04:10 | <genjix> oops :)
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04:11 | <genjix> sbalneav, http://www.jyvideo.co.uk/genjix/100_1782.JPG
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04:11 | <sbalneav> Ah, cool
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04:11 | You here at the Ubuntu conference?
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04:12 | I haven't seen you
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04:12 | <genjix> wheres here?
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04:14 | <vagrantc> sevilla, spain
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04:15 | <genjix> ah awesome, I'm supposed to go to Barcelona anytime this next week or so... how long is it for?
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04:15 | <uniconformist> does anyone know if you could use webcams on clients?
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04:15 | <highvoltage> genjix: nice photo :)
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04:15 | <genjix> :)
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04:16 | <vagrantc> genjix: 11th or 12th is the last day
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04:18 | <genjix> maybe I'll get one of the our spanish people to go :)
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04:20 | <uniconformist> vagrantc: do you know if i could use webcams on client machines?
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04:21 | <vagrantc> uniconformist: i do not know.
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04:24 | uniconformist: your best bet is to run an LTSP5 implementation and run all applications locally.
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04:29 | <genjix> You people should come to our conference! http://crystalspace3d.org/main/Main_Page ;)
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04:44 | <uniconformist> vagrantc: when you say locally, do you mean the server?
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04:44 | <vagrantc> uniconformist: no... not logging into the server at all. running your window manager and all applications on the thin client
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04:44 | uniconformist: to get your webcam working
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04:45 | uniconformist: though installing the webcam on the server is an option, if you only need one webcam
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04:46 | <uniconformist> vagrantc: what do you mean by "window manager"? i'm thinking you'd need to log into the server from the terminal and therefore have capabilities to run apps and use hardware on the terminals.
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04:47 | vagrantc: unless that's what you mean.
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04:47 | <vagrantc> uniconformist: ok ... so usually, you log into the server and run all your applications on the server itself.
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04:47 | <uniconformist> yes.
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04:48 | <vagrantc> uniconformist: if you want to use a webcam attached to the thin client, you should run all your applications on the thin client instead of the server.
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04:48 | that's the easy way.
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04:48 | <uniconformist> yes.
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04:48 | strange how that works. using hardware on terminals with apps from the server.
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04:50 | <uniconformist> so it's like loading a servers harddisk into RAM, then using RAM to get to local hardware by having local RAM access hardware locally.
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04:51 | sorry to sound technical.
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04:51 | technicality for simple objectives.
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10:47 | <ogra-classmate> meep meep :-)
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10:47 | <Q-FUNK> the ogra runner hour
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10:47 | <ogra-classmate> heh
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10:47 | * Q-FUNK looks for the coyote | |
10:48 | <Q-FUNK> ogra-classmate: any ACME product that looks liek it's about to blow?
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10:48 | <ogra-classmate> guess on what i'm running edubuntu here
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10:48 | <rjune> hiya jammcq_
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10:48 | <Q-FUNK> ogra-classmate: a linutop? :)
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10:48 | <ogra-classmate> heh
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10:50 | http://classmatepc.com/
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10:54 | <Q-FUNK> ogra-classmate: www.linuterm.com
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10:55 | hm. k, so clasmate is an olpc cmpetitor
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10:57 | <Q-FUNK> erm, yep, for those who wanted a thin client version of the linutop, www.linuterm.com is the one
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11:07 | <cliebow> ogra-classmate:much to iy?
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11:07 | /iy/it
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11:07 | <cliebow> ogra-classmate:much to it?
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11:08 | <ogra-classmat1> cliebow: ??
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11:08 | <cliebow> much involved in putting ubuntu on a classmate?
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11:08 | <ogra-classmate> a bit
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11:09 | its currently only a demo with a real install to the flashdrive
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11:09 | <cliebow> i see
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11:09 | <ogra-classmate> the final thing will be a loopmounted sqashfs image
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11:09 | <vagrantc> ogra-classmate: not cloop?
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11:09 | <cliebow> so pull the flashdrive..install?
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11:10 | heh..see something sticking out of it
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11:11 | <rjune> cliebow !
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11:11 | <cliebow> rjune!!!!!!!!!!
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11:11 | <ogra-classmate> vagrantc: apparently there is a way to use a squashfs with rw capabilities
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11:11 | <cliebow> how goes the fiight??
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11:11 | <vagrantc> ogra-classmate: it is a complicated concept.
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11:11 | <ogra-classmate> i'll just have to implement it ;-)
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11:12 | <rjune> got a new job
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11:12 | put in my two weeks at the school
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11:12 | <cliebow> ohh..i am thinking of ot myself
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11:12 | rjune doing sopme coding?
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11:13 | <rjune> a bit
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11:13 | <cliebow> Cool..annd better miney i hope
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11:14 | <rjune> 1.5x what the school pays
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11:14 | <cliebow> gREAT!
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11:14 | so almost a living wage then
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11:14 | <william> can some one help me please
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11:14 | <cliebow> Heh:i see thay jammcq_ on!
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11:14 | <william> I am having a real fit with the sound on k12
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11:15 | <cliebow> william:it is not easy..
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11:15 | <rjune> william: I'll need a little more, which version of k12?
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11:15 | <william> ugh
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11:15 | <cliebow> rjune is the Man
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11:15 | <william> how can i find out
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11:15 | <rjune> cat /etc/fedora-release IIRC
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11:16 | GNOME or KDE, what do you have the sound server set to in lts.conf?
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11:16 | <cliebow> like esd or nasd?
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11:16 | rjune:nice to have you here..
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11:17 | <william> 6 zod
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11:17 | <cliebow> Great picture of ogra..http://photos.jonathancarter.co.za/uds-gutsy/PICT0422web?full=1
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11:19 | <william> it is set to nasd
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11:19 | i however have tried both
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11:20 | <cliebow> william:did you lok on the wiki for rjune's discussion?
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11:20 | <william> where is that at
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11:20 | <rjune> what is 6 zod?
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11:20 | <william> my verision
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11:20 | <rjune> william: http://wiki.ltsp.org
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11:20 | ah, ok.
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11:20 | <william> version even
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11:20 | <rjune> you using KDE or GNOME?
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11:21 | <william> i use kde the kids use gnome
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11:21 | <cliebow> http://wiki.ltsp.org/twiki/bin/view/Ltsp/Sound
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11:21 | <rjune> You'll want to use ESD for your backend, you may have to rebuild arts to support esd backend
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11:22 | <william> and how do i do that
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11:22 | <rjune> grab the arts srpm, and rebuild it with esd and esd-devel installed
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11:23 | <cliebow> rjune:is that the old rpm --rebuild trick?
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11:24 | <rjune> cliebow: rpmbuild --rebuild
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11:24 | <cliebow> ah yes..that sakes my cage
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11:25 | ah yes..that shakes my cage...
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11:25 | <william> lmao
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11:25 | so all i need to do is redownload arts and it will rebuild
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11:26 | <rjune> you'll need to install esd and esd-devel. then grab the srpm and rebuild it.
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11:26 | it's not an automatic process
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11:26 | <william> how do you rebuild it
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11:26 | sorry i am new to this
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11:27 | <rjune> rpmbuild --rebuild SRPM.RPM
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11:27 | <william> k
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11:28 | i will try it
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11:33 | <william> k in the package manager i don't see eds devel
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11:34 | esd even
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11:35 | <rjune> it migh+t be esound
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11:36 | <william> k
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12:09 | <lindi-> do you now a way to benchmark "desktop responsiveness" in thin clients? http://iki.fi/lindi/xblink.c updates the display quite slowly under VNC (with 100Mbps ethernet), tcpdump shows that the data is transmitted fast so I'd like to figure out where the viewer is spending its time
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12:10 | (i'd like to have a simple and stateless thin client software solution i could run on 300-800MHz x86, and VNC seems to be the nicest for this)
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12:12 | <cliebow> nx??
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12:12 | <lindi-> cliebow: yes but how do i benchmark it?
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12:13 | clearly i'd first like to know what causes the slowdown with VNC
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12:13 | and i've already ruled out lack of bandwidth
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12:14 | <cliebow> i am unclear what you are doing..but cant help with benchmarking..what does vnc havve to do with thin client per se
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12:14 | <lindi-> cliebow: vnc is just one approach to do it?
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12:15 | <cliebow> rather than x on the clients and an nfsmount?
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12:15 | this is ltsp?
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12:16 | <lindi-> cliebow: X isn't stateless, if there's a power outage on the client programs will die
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12:16 | ah, i thought ltsp was generally about free thin client solutions
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12:17 | xdmcp and nfsroot are cool things though
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12:17 | <cliebow> yes...our formula involves netboot and x on clients with nfs mounted root filesystem...you'd better talk to jammcq when you can
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12:18 | we 9ogra) has an ldm in lieu of xdmcp.you can use either there for login
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12:18 | <lindi-> i use such a setup at work but didn't read about ltsp when i configured it
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12:19 | i'm probably going to use netboot with vnc viewer too since hard disks are just useless here
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12:19 | cliebow: anyways, xdmcp would benefit from a benchmark suite too
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12:19 | <cliebow> want to look over wiki.ltsp.org..it might get a handle on this project..
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12:20 | the big guns are ubuntu dev sonference so the channel is awful quiet
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12:21 | <lindi-> i've found a research paper on benchmarking VNC but it only looks at network traffic
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12:22 | <cliebow> lind-:sosrry i cant he;lp you there...in ltsp4.2 clients boot in under 30 seconds..never thought about benchmarking beyond that
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12:23 | ltsp5 will have dramatic speed improvrments\\
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12:23 | in time
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12:24 | <lindi-> cliebow: when i hit alt-2 to switch to another workspace i can clearly see how the graphics is updated from top to bottom
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12:24 | it's at least 100 ms
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12:24 | <cliebow> in vnc..rigght
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12:24 | <lindi-> yep. xblink tries to make this easier to reproduce
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12:25 | <cliebow> it ltsp there is minimal lagtime..even on a p133
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12:25 | <lindi-> is there any way to sniff what xvncviewer talks to the X server over unix socket?
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12:25 | cliebow: can you test xblink on that? ;)
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12:25 | compare against remote and local execution
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12:25 | <cliebow> maybe tomorrw at work..
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12:26 | <lindi-> ok, no worries
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12:26 | <cliebow> hmm i dont see xblink..int apt or on my macvhine
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12:27 | <lindi-> http://iki.fi/lindi/xblink.c
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12:27 | it just alternates between black and white background
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12:27 | <cliebow> ahh i see
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12:28 | <lindi-> very artificial of course but that's what basically happens when i switch workspaces
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12:29 | <cliebow> keep an eye out for sblaneav or jammcq they are 6 hours away from EDT..in sPain..
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12:29 | <lindi-> spain?
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12:47 | <cliebow> yeah Seville
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12:49 | <lindi-> Q-FUNK: hi :)
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12:49 | <Q-FUNK> oho
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12:50 | :)
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13:34 | <damntech> Hello, I was planning a large LTSP deployment and had questions about limitations of LTSP.
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13:34 | Some of the issues may be distro related
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13:35 | But I was wondering how many clients can LTSP support?
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13:38 | <japerry> damntech: LTSP doesn't have any client limitations really
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13:38 | damntech: its limited by your hardware
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13:39 | <damntech> Ok great.
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13:39 | I work for a School District, they want to acheive 1 to 1 where desired by instructor.
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13:40 | We have a HS with 2500+ students
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13:40 | I couldn't imagine more than 1500 of them accessing the servers.
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13:40 | <damntech> at once
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13:42 | I was wondering if anyone has had experience with a high density server like the Sun x4600?
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13:42 | or any other similar device
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13:48 | <damntech> I have already tested LTSP under the K12LTSP and Edubuntu distros on a DellXPS laptop and 8 clients simultaneously accessed our webbased educational resources, no sweat. The websites used embedded Quicktime, Flash and Java.
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13:51 | <rjune> damntech: if you need quicktime and flash, ltsp probably isn't the best solution for you
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13:52 | <damntech> Yeah that's what I wondering
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13:52 | <rjune> which state?
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13:52 | <damntech> how will it scale
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13:52 | <sep> damntech, for regular office/web usage i can run 40-50 clients on a dual xeon with 4GB ram, but that drops to 10 if they use falsh or java based things
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13:52 | and it depend a _LOT_ on the quality of the flash/java
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13:52 | <rjune> you mean how many terminals can your server support?
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13:52 | <sep> some flash things on webpages sucks bigtime. while others play quite nice
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13:53 | so how many you can use at the time depends greatly on the quality of the flash/java programmer that made the flash/java in question.
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13:54 | <rjune> You'll also run into bandwidth problems
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13:54 | <damntech> These are educational apps sometimes they vary
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13:54 | <sep> damntech, we use a combination of ltsp for ligth tasks. and diskless workstations for heavier tasks
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13:54 | <rjune> 320 x 240 x 16 x 30 == a fair bit of bandwidth
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13:54 | <sep> damntech, yes they vary a lot. and they and not suited for ltsp
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13:55 | <damntech> Ok diskless workstations? How has this worked for you sep?
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13:56 | <sep> quite well.
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13:56 | but ofcourse there are some webbased edu apps that require activeX (the fuckers!!)
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13:57 | <damntech> actually I had made sure none of ours do.
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13:57 | <sep> generaly the problem is allways non compatible applications. that the teachers have never heard about but they "MUST HAVE"
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13:57 | <damntech> We have only purchased cross platform apps
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13:57 | <sep> even tho it runs on windows only
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13:57 | and there are 3 equal or better FOSS versions.
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13:57 | it's the windows version they need
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13:58 | damntech, here in norway the goverment have a lot of services available
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13:58 | and it's not all cross platform
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13:58 | <damntech> Yeah, I know thats why we are looking at adding linux to our services and likely making it central to all our services
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13:59 | We were mainly aming for low maintence solutions
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14:00 | we deployed >300 machines this year and will deploy even more next year. We havent got the humanresources for that
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14:00 | everyone wants 1 to 1
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14:01 | but it costs +2000 per endpoint after computer, network, server.
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14:01 | <sep> damntech, well with diskless workstations the clients pxe boot, and use the server as their harddrive
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14:01 | <damntech> That's what I was looking at about a year ago
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14:01 | but got into this ltsp thing
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14:01 | Ok great
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14:02 | have any suggestions
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14:02 | <sep> that means all aplications start across the network
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14:02 | you need some bandwith
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14:02 | <damntech> we can handle it
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14:02 | <sep> for ltsp you require 2Mbit/sec for each client. and it must be low latency
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14:02 | <damntech> we have 1G and 10G to core
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14:02 | <sep> i do that by having a separate switch for the ltspserver->client network's
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14:03 | and i scale by adding a new server and a new switch with 40 new clients
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14:03 | that way the network server-> clients is predictable to avoid lag.
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14:03 | <damntech> Ok, have say 1 server per wing 300 endpoints?
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14:03 | <sep> then you'd need lots of cpu and ram on the server
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14:03 | :)
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14:04 | <damntech> yeah I don't care how we acheive it. I just want to get there.
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14:04 | on the diskless systems you suggest is there any hardware vendows that worked well for you?
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14:05 | <sep> we use all kinds of stuff
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14:05 | as long as the linux kernel have the hardware support it just works
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14:06 | <damntech> Yeah, I was just looking for a starting point.
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14:06 | <sep> damntech, depends if you want support or not :)
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14:07 | i user debian so i like hp
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14:07 | but i dont use support so *shrug* we run all kinds of hardware
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14:07 | <damntech> Ah, yeah we were becoming wooed by ubuntu
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14:08 | <sep> well that's ok.
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14:08 | ubuntu is based on debian so i can't see any large difference in hardware support
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14:09 | i use debian-edu
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14:09 | it's debian preseeded for schools
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14:09 | <damntech> Ok, Ill check that out.
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14:10 | <sep> damntech, but with ltsp you can have 50 clients in a classroom with 0 noice using embedded devices. that's quite a cool feature imho
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14:10 | with diskless workstations they still need to be workstations with the hardware management that needs.
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14:10 | you might also look at FAI
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14:11 | <damntech> Yeah, every lab we have deployed required power upgrades and ac upgrades costing over $20,000
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14:11 | <sep> that way you have 100% workstations but automatically installed and configured thru FAI
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14:11 | damntech, with ltsp you can get quite low power devices
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14:11 | damntech, here too.
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14:13 | <damntech> Our deploys have been fast with apple and ms quick deploy tools. I have been monitoring tools like kickstart and fai
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14:14 | <sep> damntech, i deploy windowsxp using RIS and unattended from our debian-edu servers too.
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14:14 | have a list of mac addresses that get a optin in the pxe boot meny to install windows xp localy.
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14:15 | those machines dualboot linux diskless workstation or windows local boot
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14:16 | <damntech> Wow, thats a great idea.
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14:16 | <sep> those that are not in the list pxe boot as diskless workstations only
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14:18 | <damntech> On your diskless systems is there a non ltsp option to utilize local processing and ram?
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14:19 | <sep> umm.. ? i dont understand the question..
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14:19 | you mean like a compute cluster ?
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14:20 | <Q-FUNK> like workstations using nfs root but runing applications locally
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14:20 | <damntech> Yeah
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14:20 | <sep> all the diskless workstations does that
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14:20 | that's what i mean when i say diskless workstation
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14:20 | it's nfs root and local cpu/ram/processes.
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14:20 | <Q-FUNK> as opposed to thin client (ltsp)
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14:21 | <sep> yes
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14:21 | <damntech> Ok, that's sounds like the direction I should be heading since multimedia will chew up resources
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14:22 | <Q-FUNK> it can still be etherbooted. the main difference is that a thin client would only bootstrap an XDMCP client, while a diskless workstation would boot a kernel capable of mounting root over NFS.
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14:23 | or well, it wuld bootstrap a whole OS over NFS
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14:23 | <damntech> Yeah just needs a swift line to access it's NFS
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14:23 | <Q-FUNK> same client device, different bootstrap image served by the boot server.
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15:56 | <hiho> anyone: do i need 2 ethernet cards to run LTSP?
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15:57 | <sep> hiho, usualy yes.
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15:57 | it's atlest easier that way.
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15:58 | <hiho> i have a network of 30 pcs and apples, and i want to add dozens of ebox-2300's or alike, how would i do that? (thanks!)
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16:00 | the pc's and apples are using a ms smb file server
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16:01 | the ms server does dhcp
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16:06 | <damntech> Since DHCP decides where PXE goes you would have to configure the DHCP server to select a different PXE boot server. Do you RIS or utilize apple imaging?
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16:07 | <sep> i use RIS
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16:07 | <sep> you can send each mac to a different pxe in dhcp.
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16:07 | <damntech> ah.
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16:08 | <sep> but personaly i have only 2 pxe. 1 with rip+diskless and 1 with diskless only. dhcp decide if a host is a windows capeable or not machine
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16:09 | s/rip/ris
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16:09 | <damntech> Oh ok.
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16:12 | <hiho> so i can put a static ip on a single ethernet LTSP server, and tweak the MS DHCP server to point PXE on a mac addr basis?
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16:15 | <damntech> I am doing it in a MS/Apple environment. sep is doing it in a MS/linux environment. Sounds about right.
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16:15 | <sep> hiho, usualy the ltsp server have 1 nic on the LAN with the other machines. and 1 nic on a dedicated separate switch with all the ltsp clients on it
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16:15 | the ltsp server have dhcp for the ltsp clients
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16:15 | and the ltsp server may (or mayt not) recive dhcp from the main network dhcp server
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16:15 | damntech, yes
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16:35 | <hiho> thanks all, i'll take a stab at it
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16:39 | <cliebow> damnntech:im runnning single nic with both win and linux servera(on port 1001)..all kinds of solutions
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16:41 | <damntech> Hi cliebow.
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16:43 | <damntech> Gosh I was just crunching numbers price wise. A 16 way server with 32GB ram in worse case senerio as described by rjune would support only 80 devices.
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16:43 | but thats a $20,000 server
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16:44 | <sep> damntech, whats the worst case scenario ?
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16:44 | i usualy scale by more servers then one huge one. but my users are distributed so its a geografical question too
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16:45 | <damntech> rjune said he had a 2way server with 2GB ram and only when people accessed poorly coded java, flash etc... only 10 users will work reasonabley
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16:47 | <sep> damntech, yes i see the same thing
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16:48 | <hiho> damntech: what is the bottleneck, cpu? memory?
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16:48 | <damntech> I would guess memory Java/Flash
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16:49 | <damntech> I actually had good results with our supported apps
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16:50 | I had a Dell XPS laptop with 1 GB ram and I pulled up four webbased apps which used java and flash on 8 clients and they were going full steam with no problems.
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16:50 | <sep> damntech, yes it's all depending on the app
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16:51 | damntech, but many of the apps around here is lousy. and some of the flash based adds on common newspapers is crippeling
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16:51 | <damntech> I am assuming that it scales linearly with things like java/flash since they're not the best linux apps
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17:02 | I guess the TCO for LTSP, minus human resources and power consumption, is practically $500-$1000. Which is half to a quarter of what we are spending right now. HR and power consumption are likely to decrease.
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17:05 | Ill probably just grab an 8 way system with 16GB and run 70 terminals to see how it goes.
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17:05 | <sep> let us know :)
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17:06 | <damntech> I will. Thanks for the knowledge. bye.
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17:06 | <cliebow> damntech:my old junk is coasting like 5 bucks per terminal; plus labpr 8~)
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17:07 | <damntech> Yeah, I know we aren't shooting that low
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17:07 | People are demanding that certian apps are universally accessible
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17:08 | 1 to 1 where ever someone wants it
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17:09 | but we dispose of equipment at a linearlly increasing rate, close to matching the purchasing rate. the IT depts human resources are becoming drained.
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17:10 | we will either stay the path and double our staff and take more out of the classroom. its getting real tight because spending got real loose.
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17:11 | any how. I think this can change alot for us. we can cover the all needs and many wants.
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17:11 | well back to what I was doing. thanks again.
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17:23 | <rjune> an 8way with 16GB should be very happy to run 70 terms
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23:41 | <burhan> hello
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23:43 | <burhan> I installed and configured ltsp on Xandros 4, every thing is properly working as shown in ltspadmin on Xandros Server
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23:43 | but there is one problem when i boot the thin-client
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23:44 | after dhcp and atftp process thin-client gives an error
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23:44 | this is
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23:45 | eth0: link down
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23:45 | input: at translated sel 2 keyboard as /class/input/input0
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23:46 | input ImExPS/2 generic Explorer mouse as /class/input/input1
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23:46 | kernel panic
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23:47 | what's the reason, any one know?
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