IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 2 June 2011 (all times are UTC)
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| 06:01 | <Gnoze5> yellow
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| 06:02 | <mgariepy> good morning everyone!
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| 06:03 | <Gnoze5> :)
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| 06:04 | mgariepy yesterday i managed to get seamlessrdp working with 2008 R2
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| 06:04 | <Hyperbyte> Morning fellow LTSP fanatics. :-)
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| 06:04 | <mgariepy> yeah i saw that in #revolutionlinux :)
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| 06:04 | that's nice :D
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| 06:06 | <Gnoze5> ive ben testing with word
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| 06:06 | so far i havent caught anything
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| 06:10 | <Hyperbyte> When I tried it, it gave problems when dialog boxes popped up that were larger than the application it was RDP'ing
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| 06:11 | I.e, the dialog boxes were cut off.
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| 06:17 | <Gnoze5> bot both freerdp and rdesktop are working on remoteapp
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| 06:17 | so im assuming its a matter of timne
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| 06:17 | ?
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| 07:47 | <markit> hi, is "enable jumbo frames" a set of the switch that can help ltsp performances?
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| 07:50 | <Appiah> I would monitor my network and see if I need it or not
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| 07:54 | <markit> Appiah: well, I'm not so good in networking analysis, sigh
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| 07:55 | how can you tell if is needed? you should collect data and do a statistical analisys on some kind of flags in the packets, correct?
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| 07:55 | <Hyperbyte> markit, read up on jumbo packets a bit.
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| 07:55 | Default maximum TCP size is 1500 bytes I believe
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| 07:56 | Jumbo packets increase maximum packet size to 9000
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| 07:56 | It helps if you're transferring say, lots of big files across the network.
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| 07:56 | Then it can transfer the big file in chunks of 9 kilobyte, rather than 1, drastically reducing the amount of packets and thus overhead
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| 07:57 | The problem is that this is really only useful if your entire network can support the jumbo packets
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| 07:57 | <markit> oh, I thought was just a setting on the switch
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| 07:58 | <Hyperbyte> Most thin clients I know don't have network cards that support jumbo packets. If you configure your switch and server to start sending jumbo packets, when your entire network isn't ready for it, it's gonna be an insane hit in performance.
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| 07:58 | No, it's the "MTU" setting on a network interface card. Type 'ifconfig', you'll see it there.
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| 07:59 | <markit> ok, one more question
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| 07:59 | <Hyperbyte> Since jumbo packets can have a big negative impact on networks, most switches allow the option to disable them, so someone can't mess with your network in that way.
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| 07:59 | <markit> I've read about the "flow control" issues when you have ltsp server with 1gbit interface, gbit switch and all clients at 100Mb/s
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| 07:59 | I'm in this situation
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| 07:59 | I've checked the switch params and not found something like that
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| 08:00 | the thing that I hope is the corresponding setting is "Drop frames after excessive collisions"
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| 08:00 | or am I wrong?
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| 08:00 | <Hyperbyte> What setting are you looking for exactly?
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| 08:00 | <markit> something called "flow control" :)
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| 08:00 | <Hyperbyte> To be honest, I have no idea.
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| 08:01 | <markit> https://help.ubuntu.com/community/UbuntuLTSP/FlowControl
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| 08:01 | sorry, misunderstood your question
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| 08:01 | this is the issue
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| 08:01 | and I was looking for something relevant in the switch setup
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| 08:01 | <Gnoze5> Hyperbyte out of curiosity do you use any tool to configure gconf and user profiles in general?
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| 08:02 | <Hyperbyte> markit: http://en.wikipedia.org/wiki/Ethernet_flow_control
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| 08:02 | Seems to require 'PAUSE' frames to be enabled. "Drop frames after excessive collisions" doesn't seem what you want, unless it doesn't actually drop frames, but sends pause frame instead.
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| 08:02 | But read the manual of your switch I'd say. :)
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| 08:03 | Gnoze5, I use gconftool-2
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| 08:03 | For example: gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory/ --type string --set /desktop/gnome/interface/gtk_theme Clearlooks
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| 08:04 | Enforces Clearlooks desktop theme. :)
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| 08:04 | <Gnoze5> good stuff
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| 08:04 | guis suck.
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| 08:04 | <Hyperbyte> To be honest, I'd have no idea how to get it done via GUI
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| 08:05 | I function better with GUI's anyway. :)
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| 08:06 | erm
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| 08:06 | I meant CLI's.
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| 08:06 | Or without GUI's, take your pick. =)
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| 08:07 | <Gnoze5> so do I
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| 08:07 | how else can you understand whats going on
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| 08:07 | but certain things are useful
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| 08:07 | <markit> Hyperbyte: damn, you are right, the manual says there is a "flow control" flag, at school was unable to find it, sigh
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| 08:07 | <Gnoze5> especially if you make them..
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| 08:09 | <Hyperbyte> :)
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| 08:09 | <Gnoze5> do you find yourself having to look at the users screen for remote assistance?
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| 08:10 | we use a lot of that in windows setups
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| 08:10 | <Hyperbyte> They're not that far from me, I've started to just walk. :P
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| 08:10 | But I can remote control all thin clients here, if that's what you're asking.
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| 08:11 | Going home. :) --->
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| 08:11 | <Gnoze5> yeah im asking if you remote control
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| 08:11 | and what do you use for that?
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| 08:11 | i can think of a few things
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| 08:13 | <markit> Gnoze5: if you find the best solution, let me know
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| 08:15 | <Gnoze5> straight vnc sounds aggressive..
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| 08:27 | <Gnoze5> alkisg :)
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| 08:27 | <alkisg> Greetings :)
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| 09:31 | <markit> hi alkisg :)
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| 09:32 | I've checked the flow control on the switch, and disabled the wrong parameter. Now reading the manual I've seen is disabled by default, lol. tomorrow I've to set the switch as it was
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| 09:32 | but do you think that jumb frames generally help ltsp?
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| 11:05 | <Gnoze5> now time to paravirtualize ubuntu
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| 11:05 | hm
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| 15:24 | <nrs___> is LTSP dead?
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| 15:24 | looks like the main page hasn't been updated in quite some time
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| 16:30 | <Gnoze5> aaannnddd
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| 16:30 | im back
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| 16:56 | ||
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| 17:23 | Nick change: mistik1_ -> mistik1 | |
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| 18:47 | <Gnoze5> https://help.ubuntu.com/community/UbuntuLTSP/SystemRequirements
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| 18:47 | is this page for real
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| 18:47 | ?
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| 18:48 | <ball> Gnoze5: Why shouldn't it be?
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| 18:48 | <Gnoze5> For 3 thin clients PXE booted, SSH/X session, minimum server size is as follows:
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| 18:48 | 2GHz or greater CPU
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| 18:48 | 4 CPUs
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| 18:48 | 1GB RAM
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| 18:48 | 10k SAS or SATA drives
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| 18:48 | 256MB storage controller cache
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| 18:49 | depends on the clients?
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| 18:49 | what if the clients have 1gb ram?
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| 18:49 | and 1.6ghz atoms?
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| 18:50 | you can run local apps
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| 18:50 | <ball> Gnoze5: Why would the server care how much RAM the terminals have?
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| 18:50 | <Gnoze5> local apps
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| 18:50 | if you use local apps youre saving ram on the server side
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| 18:50 | <ball> Ah well... then they're not just terminals.
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| 18:51 | ...they're something between diskless workstations and graphical terminals.
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| 18:51 | <Gnoze5> sure
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| 18:51 | <ball> I'm not planning to do that because it would require bridging Internet onto the terminal LAN.
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| 18:51 | <Gnoze5> but LTSP doesnt limit you to zero clients
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| 18:51 | so its bad documentation
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| 18:52 | random example as well
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| 18:52 | <ball> Gnoze5: Perhaps they fealt duty-bound to write /something/ down.
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| 18:53 | <Gnoze5> ill stop complaining and start helping
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| 18:53 | * ball shrugs | |
| 18:54 | <Gnoze5> does Jay Goldberg come to the channel?
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| 18:54 | <ball> I don't know who that is.
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| 18:54 | <Gnoze5> the last guy who edited the page
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| 18:54 | :)
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| 18:55 | <ball> Oh.
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| 18:55 | No idea.
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| 19:13 | * ball gives up | |
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| 20:06 | <ball> hello pmatulis
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| 22:10 | <elias_a> Warren Togami writes that LTSP is obsolete, at least when it comes to LTSP+Fedora combination: https://www.redhat.com/archives/k12osn/2011-May/msg00054.html
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| 22:12 | <elias_a> There have been some signs about distros not thinking about LTSP or other software outside the realm of regular desktop use.
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| 22:12 | Should we make a some sort of move on this?
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| 22:14 | <elias_a> IMHO it is essential that there is a thin client type system for the biggest distros, be it LTSP or something else. There's also business use for it.
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| 22:24 | <Appiah> well yes , virtualization is the future
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| 22:24 | and K12 is using / planning to use spice
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| 22:39 | <mistik1> elias_a: imho the so called major distros are distroying Linux
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| 22:40 | I see it in the current cadre of new users, and software being developed
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| 22:41 | Its got to work how it does on Vista
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| 23:12 | <Appiah> LTSP will still have it it's use for a long time :)
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| 00:00 | --- Fri Jun 3 2011 | |