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[07:48] [rethus] hi @ all
[07:48] [rethus] have some questions about ltsp and bandwidth
[07:48] [rethus] how many bandwith per client should i have to use ltsp in a vpn-network
[07:49] [rethus] programms: only one siphone and webbrowser to display a intranet-webpage
[07:50] [rethus] are there some calculationg tools?
[07:52] [alkisg] No, not really
[07:53] [alkisg] Also, you might want to run the sipphone as a localapp if your clients are good enough. That would also save bandwidth.
[07:53] [alkisg] (and if you ran the webbrower as a localapp too, then you needn't worry about the bandwidth at all :))
[07:57] [rethus] alksig: but all happend on the server ?
[07:58] [rethus] or have i to install a lokal OS for ltsp?
[07:59] [rethus] how much bandwith i need for one client?
[08:00] [alkisg] rethus: what are your client specs? (ram / cpu)?
[08:00] [rethus] alkisg: i can eyplain shortly what i try to do, so you have more informations...
[08:01] [rethus] i want to create a vpn over www. The clients connect via sip-client to an Asterisk (telephone-server) and see an webapplication which manage this asterisk.
[08:02] [rethus] the clinets should be as small as possible and should use as small as possible bandwidth
[08:02] [rethus] so the clients should record the audiostream local.
[08:02] [rethus] the firefox browser and the sipphone can run at the clients (if possible)
[08:03] [rethus] I need many connections on one server... so do u think its possible?
[08:05] [alkisg] How are you going to boot the clients? You'd need a local boot server.
[08:06] [alkisg] But sure, if your clients are good enough to run the sipphone and the web browser locally, then you don't need much bandwidth.
[08:08] [rethus] can i configure ltsp to cun like a local os?
[08:09] [rethus] what means boot-server? is an usb-stick enough
[08:09] [alkisg] I mean that in usual LTSP installations, the ltsp server is in the local network, not over www.
[08:10] [alkisg] You can't boot your clients with a usb stick in LTSP.
[08:10] [alkisg] (there _are_ some people who have done this, but it's not standard practice)
[08:11] [rethus] thats a problem
[08:11] [rethus] the server is hostet in a hosting-company
[08:12] [rethus] the clinets are the only machine in ech location all over germany
[08:12] [rethus] means: frankfurt (one thinclient... no local network) - cologne (1 thinclinet, no local network) and so on
[08:12] [rethus] vision is to start the thinclinent, connect automaticly ia vpn to the server and doeing the whole work
[08:13] [rethus] u know what i mean
[08:13] [alkisg] Yes, I know what you mean. But LTSP isn't designed to be used that way.
[08:13] [alkisg] It would need patching to get it to boot from USB sticks.
[08:13] [rjune] rethus, you'll probably need to use NX
[08:13] [alkisg] It's doable, but coding skills would be required to do it.
[08:14] [alkisg] Or a live usb stick :)
[08:14] [rjune] or a CD
[08:14] [rethus] rjune: jes, i see freenx and x2go... what are the best and easyest nx u think?
[08:14] [alkisg] E.g.: https://help.ubuntu.com/community/LiveCDCustomization
[08:14] [rethus] so i only wan't to be shure, that ltsp not work for my needings
[08:15] [rjune] LTSP isn't the best tool for you.
[08:15] [rethus] what is your tipp?
[08:15] [rjune] A Custom Ubuntu or Fedora liveCD is probably a better path
[08:15] [rethus] what should i use for my needings
[08:15] [rethus] ok.
[08:17] [rethus] target is to keep the technik on clientside as small as possible. so i didn't have to support so much time
[08:17] [rethus] therefore i think about thinclient
[08:17] [rethus] only power on, and all works.. no updates, no crashed systems after missconfiguration and so on.
[08:17] [alkisg] rethus: how fast are your network connections?
[08:18] [rethus] as small as possible (but till 6Mbit)
[08:18] [rethus] better if 1mbit is possible)
[08:18] [alkisg] Then you'd better *not* boot from www.
[08:18] [rethus] or only isdn
[08:18] [rethus] ok
[08:18] [rethus] so i use nx ?
[08:19] [alkisg] You'd need a day to boot from web by using isdn :)
[08:19] [rethus] :D
[08:19] *** alkisg would go for a live usb stick.
[08:19] [rethus] so i create a minimalized linux (or use damn small linux) and do an nx connection?
[08:19] [alkisg] Why would you do an nx connection?
[08:20] [alkisg] didn't you say that they'd need to record the audio locally?
[08:20] [rethus] the software is used every weeks one till two times.. i'm not shure if usb-stick livetime is long enough
[08:20] [rethus] yes
[08:20] [alkisg] With live usb sticks, data isn't *written* to them (usually). So there isn't a problem with the life time
[08:21] [rethus] but usb-stick have also limited reading-times ?! (i'm not shure)
[08:21] [rethus] sure
[08:21] [alkisg] But if you're going to use a hard disk to record the audio, then you can use the same disk to store the OS
[08:22] [rethus] jes, thats no problem
[08:23] [rethus] so o better do an small linux installation on local pc, and use NX ?
[08:24] [alkisg] I still don't understand why you'd need nx
[08:25] [alkisg] The sipphone and the web browser connect to the server.
[08:25] [alkisg] Why would you need nx?
[08:26] [rethus] jes, i think i didn't need it...
[08:26] [rethus] if i connected via vpn, i'm in the same network and can directly use sip
[08:27] [rethus] ok. thanks for your support. if no thin-client is possible. i think i do a normaly vpn connection and normaly os installation on clientside
[08:27] [rethus] thanks
[08:29] [alkisg] Thin clients require much more bandwidth that isdn or 1mbps
[08:29] [alkisg] They're not suited to your use case.
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[08:35] [rethus] i know now. thanks a lot
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[10:22] [ark_] hi, i'm trying to use ltsp5 with thin clients encore entc-1000, is it possible?, the docs say that this thin client supports only xdmcp
[10:22] [ark_] can i use xdmcp with ltsp5?
[10:23] [Appiah] ltsp does not use xdmcp
[10:23] [jammcq] you won't have some of the finer features of LDM
[10:23] [jammcq] you'll miss out on audio, local devices and local apps
[10:23] [jammcq] it doesn't use xdmcp, because xdmcp is not secure
[10:23] [ark_] jammcq: it's no problem
[10:23] [ark_] jammcq: i just need those thin clients to work
[10:23] [jammcq] it's almost trivial to snoop on the network and capture passwords
[10:24] [Appiah] what does says it only supports xdmcp?
[10:24] [Appiah] what doc*
[10:24] [ark_] Appiah: the manuals of the thin clients says they only support xdmcp
[10:24] [Appiah] well can it PXEboot?
[10:24] [jammcq] ark_: if your thin clients support xdmcp, then you wouldn't be using LTSP at all.
[10:25] [ark_] Appiah: i already installed ltsp5 in ubuntu9.04, but it doesn't work
[10:25] [ark_] Appiah: mmm, not sure, but it's supposed to be in the nic
[10:25] [jammcq] you just need to enable remote logins in your login manager and point your thin clients at that server
[10:25] [ark_] jammcq: mmm, true, but xdmcp is not working for me
[10:25] [Appiah] well ltsp uses pxe , how did you try it?
[10:25] [jammcq] ark_: did you enable it on the server?
[10:25] [Appiah] since you say "it doesn't work" and you are not pxe booting ,your not using ltsp..
[10:26] [ark_] Appiah: mmm, i have not tried pxe on those thin clients, not sure if it's possible
[10:26] [ark_] jammcq: yes, it's enabled, and it works, but too slow
[10:26] [jammcq] what's too slow?
[10:26] [ark_] Appiah: mmm, I'm not sure how to use ltsp with those thin clients
[10:27] [Appiah] well check the bios on the thin client
[10:27] [ark_] jammcq: mmm, especifically flash, but the server is very powerful
[10:27] [Appiah] yes XDMCP is slow
[10:27] [jammcq] XDMCP is simply a method to get logged in. Once logged in, you'd be using the "X" protocol
[10:27] [ark_] Appiah: jammcq: thanks, i'll try to see if it's possible with the bios
[10:27] [ark_] Appiah: yep, too slow
[10:27] [jammcq] and you'd be using that regardless of whether you are doing LDM with LTSP, or XDMCP
[10:27] [Appiah] enable "Lan boot rom" / Pxe boot
[10:28] [jammcq] what kind of CPU is in the thin client?
[10:28] [ark_] jammcq: mmm, not sure...
[10:29] [ark_] jammcq: yep, true about the login..., i'm not sure how to use pxe with thos thin clients
[10:29] [Appiah] check the bios settings on the thin client
[10:30] [jammcq] if it's not in the bios, then you probably can't
[10:30] [Appiah] whats the name and manufacture of the thin clients?
[10:30] [ark_] Appiah: it's a thin client encore entc-1000
[10:30] [ark_] Appiah: i'm searching if it's possibble to enable the pxe boot
[10:31] [jammcq] how old is it?
[10:31] [Appiah] arm processor?
[10:31] [ark_] jammcq: i'd say it's around 2008
[10:31] [ark_] jammcq: they're low cost thin clients
[10:32] [ark_] jammcq: the processor, I think it's a cirologic...
[10:32] [jammcq] it's probably slow because it's a very slow processor
[10:32] [Appiah] * Processor: Cirrus Logic EP9307 ARM 200 MHz
[10:32] [ark_] Appiah: yep...
[10:32] [johnny] you're gonna have to build an arm chroot... fun..
[10:33] [johnny] hmm.. are there arm binaries for ldm and ltspfs ?
[10:33] [Appiah] well build a arm chroot , and pxeboot the client , then you will be using LTSP
[10:33] [jammcq] No clue
[10:33] [Appiah] umm
[10:33] [Appiah] oh wait
[10:33] [Appiah] I was thinking ppc
[10:33] [johnny] hmm.. there are arm chroots for specific arms
[10:33] [Appiah] for some reason
[10:33] [johnny] idon't know if it covers those..
[10:34] [Appiah] it does not
[10:34] [ark_] mmm, thanks to all, it's true about the arm, i'll be trying that
[10:36] [jammcq] I wouldn't expect great performance with flash
[10:36] [jammcq] it's only a 200Mhz
[10:37] [Appiah] there is ltspfs in arm
[10:37] [Appiah] and such
[10:37] [ark_] jammcq: mmm, true, does ltsp support arm?
[10:37] [Appiah] so you can use ltsp
[10:37] [Appiah] but it would be slow
[10:37] [ark_] Appiah: mmm, yep, maybe slow, i'm just trying these thin clients
[10:37] [Appiah] since you got it setup already
[10:37] [jammcq] how much ram ?
[10:38] [Appiah] you could just try
[10:38] [Appiah] just enable pxe on those clients..
[10:38] [ark_] jammcq: mmm, the thin client has 512 MB
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[10:38] [ark_] jammcq: the server has right now 4GB, but maybe we'll get another 4
[10:39] [ark_] Appiah: i'll try that, and does ltsp support arm?
[10:39] [ark_] Appiah: i'm using ubuntu9.04
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[10:39] [Appiah] like I said, there is arm packages for some of the things in the chroot , I havent checked _all_ packages but you could simply try
[10:39] [Appiah] ltsp-build-client --arch=arm
[10:40] [ark_] jeje, thanks Appiah
[10:40] [johnny] that shouldn't work
[10:40] [Appiah] huh?
[10:40] [johnny] Appiah, it's just like ppc
[10:40] [johnny] you can't build it on x86
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