IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 31 May 2009 (all times are UTC)
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| 13:41 | <Squideshi> Can anyone help be understand what LTSP provides that can not already be done with X remotely?
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| 13:44 | <highvoltage> Squideshi: depends. define "X remotely"
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| 13:46 | <Squideshi> Can't you just setup a server (the X client) and multiple workstations (the X servers) and connect that way?
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| 13:47 | For example, if I had a bunch of X terminals, couldn't they all just connect to the server (X client)>
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| 13:47 | ?
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| 13:53 | <alkisg> Squideshi: see the ltsp docs. E.g. network booting, sound, local devices (usb sticks, cd roms), encrypted communication etc
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| 13:55 | <Squideshi> I've been reading through the docs, but I thought that these were already all possible with an X terminal (Except for maybe network booting, which I don't think is needed with an X terminal.)
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| 13:55 | <alkisg> Remote sound with an x-terminal? Local devices? I don't think so...
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| 13:55 | <Squideshi> Hmmm... That may be where my confusion was then.
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| 13:57 | The docs talk about network booting, but don't some thin clients have the X server already embedded in hardware?
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| 13:58 | <alkisg> Network booting = central updates. I don't know if/how X-terminals are upgrated, but in LTSP an apt-get update in the chroot is all it takes.
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| 14:08 | <Squideshi> I guess I just assumed that the X terminals with X servers embedded in hardware just don't get updated.
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| 14:33 | <Squideshi> disklessworkstations.com sells a few "DLW" terminals with Linux "embedded". Am I correct in understanding that this does not get updated?
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| 14:48 | <vagrantc> Squideshi: probably not without manual intervention.
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| 15:02 | <Squideshi> I am thinking about setting up a LTSP server in a central location with remote terminal/clients offsite, connected via either DSL or cable modem. Do I need a router at the terminal/client side to route PXE booting, or is there another scenario?
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| 15:11 | <alkisg> DSL remote booting will be slow
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| 15:11 | <Appiah> hmm pxe over vpn?
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| 15:14 | <nubae> Squideshi: I think its an unrealistic setup, its been spoken about before
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| 15:14 | I believe someone wanted to set up a LTSP server on an Amazon cloud
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| 15:14 | :p
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| 15:25 | <Squideshi> OK. LTSP doesn't require PXE booting. Are there thin clients with LTSP embedded or already installed (so they don't have to be pulled down over the network for boot)?
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| 15:26 | <johnny> pulling down over the network is rearely a problem
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| 15:26 | you could build such a thing yourself if you really wanted to
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| 15:26 | it's the actual running that is a problem
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| 15:27 | since all the programs run over the network
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| 15:28 | <Squideshi> I thought that all the programs would run on the LTSP server and only X11 would be sent over the network.
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| 15:28 | Isn't that the purpose?
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| 15:32 | <alkisg> Squideshi: so if you so ssh -X some_pc_over_a_dsl, are you satisfied with the results?
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| 15:33 | <johnny> Squideshi, X11 is heavy..
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| 15:34 | <Squideshi> I haven't tried that. I thought that X11 was designed to allow remote terminals.
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| 15:34 | <johnny> it is
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| 15:34 | otherwise you wouldn't be able to do what you're doing
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| 15:34 | at all
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| 15:35 | <Squideshi> OK, so what I think I hear you saying is that X11 may work over a DSL connection; but it won't work well.
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| 15:36 | <Appiah> for how many clients?
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| 15:37 | <Squideshi> Usually one per DSL connection.
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| 15:37 | <Appiah> oh each client got its own connection?
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| 15:37 | 24/3,5 ?
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| 15:37 | <Squideshi> Yes--they're branch offices.
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| 15:37 | Small branch offices.
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| 15:38 | <Appiah> with just 1 client?
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| 15:38 | <Squideshi> Yep.
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| 15:39 | What about this NX thing I just found?
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| 15:39 | Does that work with LTSP?
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| 15:39 | <Appiah> well , doesnt sound impossible but cant gurantee it will be smooth
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| 15:40 | <lupine_85> nxagent apparently
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| 15:40 | <Appiah> there is nx support
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| 15:41 | <Squideshi> http://www.ltsp.org/twiki/bin/view/Ltsp/FreeNX
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| 15:42 | This might be for what I am looking.
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| 15:42 | <johnny> yes.. that will help mucho
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| 15:42 | but you won't get all the benefits of ltsp iirc
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| 15:42 | <Squideshi> No?
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| 15:45 | <johnny> i'm trying to remember.. others here would know better
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| 15:47 | <Squideshi> Seems like NX is a better protocol than X11 in general. I wonder why more people aren't using NX instead of X11, if X11 really is that "heavy".
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| 15:47 | I mean, if it compresses things and works well over a limited bandwidth connection, surely it would also reduce local network traffic if used strictly over a LAN, right?
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| 15:51 | <johnny> sure.. at the cost of higher resources
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| 15:52 | plus.. the original implementation is not open
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| 15:52 | <Squideshi> Oh, NX is not FOSS?
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| 15:52 | I thought it was. My bad.
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| 15:55 | <johnny> i think freenx is
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| 15:57 | <Appiah> FreeNX is Free :D
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| 15:58 | still version 0.7.3
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| 15:58 | about 1 year since last release
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| 15:58 | <Squideshi> Hmmm... Maybe I can use FreeNX with LTSP.
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| 15:59 | <Appiah> you can
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| 16:01 | <vagrantc> the NX implementations have code copies from older versions of X, and are getting outdated and buggy and security ridden
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| 16:01 | NX was a great idea, but implemented in a way that isn't long-term viable.
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| 18:54 | <petre> What causes the problem of a usb flash drive plugged into the server causing an icon to appear on all client desktops? Or is it a case of 'it depends'?
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| 18:56 | <jammcq> hey petre
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| 18:56 | <petre> hey jammcq !
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| 18:56 | <johnny> petre, usually because your users aren't in their own group
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| 18:56 | as their primary
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| 18:56 | <petre> ah, as in putting all users into, say, group 'students' for their primary group?
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| 18:57 | <johnny> yes
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| 18:57 | their primary group should be themselves
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| 18:58 | <petre> and everyone should be in the 'fuse' group, meaning secondary, for local device access, right?
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| 19:02 | <johnny> if they are already
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| 19:24 | <stgraber> I have a script for that
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| 19:24 | petre: ^
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| 21:24 | <sbalneav> Evening all
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| 21:25 | <jammcq> Scotty !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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| 21:29 | <sbalneav> Hey jammcq!
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| 21:29 | I think Ive got all the woodtics off me now :)
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