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00:18 | <herytjb> hi all
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00:23 | am a newbie on ltsp and have been gathering info to potentially deploy ltsp to one of my clients. Checking Google and read the LTSP manual I came across Sabayon and Custard for desktop profile mgmt. Sabayon never worked so far. Does anyone know of any other alternatives? Thanks a heap.
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02:10 | <Pooria> Hi I have installed LTSP on my ubuntu machine and built the client and .... everything is fine and my thinkclients boot very well without any problem - the only problem : I can not ssh to my thinkclients !!! I will get connection refeused on port 22 !!!! How can I fix this?
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02:13 | <Pooria> HELLO ..........
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02:20 | <alkisg> Pooria: thin clients do not have ssh installed by default
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02:20 | That's why you cannot ssh to them
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02:26 | <Pooria> alkisg how can I install that?
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02:27 | alkisg, my thinkclient in this case is my laptop
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02:27 | <alkisg> Pooria: you might have some misunderstanding, so allow me to ask: *why* do you want ssh on the clients?
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02:27 | <Pooria> alkisg, I need it , the purpose is not important here - the point is "i need to" is it possible or not?
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02:28 | <alkisg> Yes, it is possible. But you do understand that there are *no user accounts* on the clients, right?
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02:28 | <Pooria> Well authentication is done thorugh the server right?
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02:28 | <alkisg> And also, the user sessions do not run on the thin clients, so you cannot watch/kill processes etc
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02:28 | Not if you try to ssh into the client
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02:29 | <Pooria> alkisg, I wanna run a cluster
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02:29 | <alkisg> So I think the purpose is important, as it might clear up some misunderstanding
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02:29 | <Pooria> diskless nodes
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02:29 | and using ltsp i can boot up ubuntu on the client
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02:29 | <alkisg> cluster == where the processing happens on the clients? LTSP is the opposite, the processing happens on the server
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02:29 | <Pooria> if I find a way to be able to run process on them , then I will be good
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02:29 | <alkisg> Maybe you want fat clients, and not thin clients?
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02:30 | <Pooria> I've read that we can pushe the process to clients too in LTSP
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02:30 | <alkisg> You mean localapps?
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02:30 | <Pooria> yes
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02:30 | <alkisg> LTSP supports thin clients, localapps, and fat clients
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02:30 | <Pooria> alright then
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02:31 | so I want fat clients!!!
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02:31 | <alkisg> But you need to clear up how are you going to send/run things on the clients
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02:31 | <Pooria> OK
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02:32 | I want group of computers - one server - several clients
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02:32 | clients are diskless
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02:32 | and I want to be able to ssh to them
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02:32 | and be able to RUN app on them - not on the server
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02:32 | thus, is it possible?
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02:33 | <alkisg> Yes, but authentication can't happen on the thin clients
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02:34 | <Pooria> So alkisg I need fat client in my configuration?
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02:34 | <alkisg> Fat clients are not different than thin clients, when authentication is concerned
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02:35 | So you'll either need to unlock the root account on the chroot, or add some user on the chroot. That's insecure.
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02:35 | <Pooria> security is not an issue here
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02:35 | tell me what to do here now
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02:36 | <alkisg> Do you need different accounts? Or the root is ok?
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02:36 | I.e. does ssh'ing as root to the clients suit your needs?
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02:36 | <Pooria> root is fine
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02:36 | sure
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02:36 | that's totally fine
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02:37 | <alkisg> Here's one method: https://help.ubuntu.com/community/UbuntuLTSP/PasswordlessSSH
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02:38 | <Pooria> ok and processes will run on the Terminal itslef not on the server then right?
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02:38 | <alkisg> Yes
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02:39 | But any processes that you want to run there should be installed on the chroot
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02:39 | Not on the server
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02:39 | <Pooria> chroot is /opt/ltps/i386 ?
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02:39 | <alkisg> So e.g. if you have a "my-program" that you want to run, you'll need to transfer it to the clients, or copy it to the chroot
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02:39 | Yes
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02:39 | <Pooria> alright I'm going to do that know
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02:40 | <alkisg> If your program doesn't depend on any special libraries, you don't need fat clients
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02:40 | <Pooria> what do u mean?
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02:40 | <alkisg> Thin clients have fewer libraries than fat clients
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02:41 | So if you want to run a text mode mathematical program you should be OK
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02:41 | If you want to run a larger program that needs java libraries etc then you'd need fat clients
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02:41 | <Pooria> alkisg, thanks , let me try this first
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02:41 | <alkisg> ok
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02:50 | <Pooria> great bro but I have just a small problem alkisg
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02:50 | alkisg, I can not install anything using apt-get and doesn't even know "sudo" :!!!!!
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02:56 | <alkisg> !docs
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02:56 | <ltspbot`> alkisg: "docs" :: For the most current documentation, see https://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_LtspDocumentationUpstream
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02:56 | <alkisg> Pooria: read the docs for a while to understand how ltsp works
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02:56 | You don't install stuff while ssh'ing to the clients, you install it to the chroot
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02:57 | I.e. sudo chroot /opt/ltsp/i386
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02:57 | <Pooria> and then run install what ever I want there?
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03:04 | <alkisg> See this for an example: https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot
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04:34 | <ogra> alkisg, what did you guys do to ltsp-update-sshkeys ?
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04:34 | its spilling my logs on a machine that had ltsp installed but no client chroot on every boot now
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04:34 | <alkisg> ogra, no idea, it's Gadi's area of expertise :D
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04:35 | * ogra wonders if Gadi noted that ltsp-update-sshkeys is called automatically on every interface bringup by if-up.d | |
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07:51 | <markit> hi, I've an "atom based" thin client for some tests. Is there a specific parameter I have to issue or ltsp-build-client --arch i386 is right?
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08:54 | <markit> well, I've a normal pc that boots fine in ltsp (pxe), but atom based netop or thin client do not
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08:54 | they hang ... seems the netbook has problems with eth, and the thin client gets a kernel panic
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08:54 | maybe later I will find someone that can help me troubleshoot
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08:55 | netbook has ubuntu 9.10 installed, so works fine with GNU/Linux
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08:55 | <markit> ltsp is on debian sid, squeeze (testing) client
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08:55 | see you later :)
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10:58 | <anivair> sip phone question: is there any reason to presume that twinkle should be giving me problems on ltsp?
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10:58 | because my audio is very shakey at the moment
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11:45 | <anivair> all the sip phones I'm trying ot work with are set to use alsa
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11:45 | apparently there used to be (and maybe still be) an issue with pulseaudio and sip phones
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11:45 | but AFAIK, I have to use pulseaudio to get audio on thin clients, correct?
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11:46 | <vagrantc> yes, pulseaudio is pretty much *the* way to get audio on thin clients.
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11:46 | there's still support for esd and nas, but it probably hasn't been tested.
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11:46 | in years
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11:46 | many years
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11:46 | <anivair> ouch
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11:47 | <alkisg> Maybe you can try to use it as a localapp?
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11:47 | <vagrantc> pulseaudio provides the alsa compatibility layer, and nearly all applications support alsa
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11:47 | <anivair> any suggestions for reconciling that?
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11:48 | because on the server, the audio works great, but when i log into a thin client I get intermittent stutters and sound garbage
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11:48 | <vagrantc> localapps are definitely a good way to go for something that needs good performance for audio
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11:48 | <anivair> using (for example) twinkle (but linphone in the same or worse)
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11:48 | well, last night when i tried to use localapps, it crashes my ltsp logins period
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11:48 | it would halt the load at "loading vmlinuz"
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11:49 | \and I had to rebuild the kernel, reload it, and reb oot
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11:49 | <vagrantc> you must have had some problem completely unrelated to localapps
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11:49 | <anivair> but I might play with it again today, i guess
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11:49 | I thought that, but trying ot use the lts.conf file with localapps in it (and only localapps) broke it consistently
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11:50 | <vagrantc> lts.conf isn't referenced in any way, shape or form until *much* later in the boot process.
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11:50 | <anivair> that's what Scott said, but nothing else changed about my setup.
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11:50 | <vagrantc> you don't even have a kernel loaded at that point
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11:50 | <anivair> all I did was put the lts.conf in place and it died on me
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11:50 | <vagrantc> unless it's actually sucessfully loaded the initramfs ... and it's dying trying to download the lts.conf via tftp ...
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11:51 | <anivair> that's possible
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11:51 | <vagrantc> anivair: did you edit /var/lib/tftpboot/pxelinux.cfg/default to remove quiet and splash?
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11:51 | <anivair> I guess I can experiment with it
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11:51 | <vagrantc> that would give you a little bit more information to figure out where exactly it's breaking.
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11:52 | <anivair> I did not
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11:52 | (though m ine is in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg)
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11:53 | <vagrantc> ah, sorry.
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11:53 | yeah, that's probably where it will be
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11:53 | <anivair> append ro initrd=initrd.img quiet splash
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11:53 | is the line I've got under vmlinuz
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11:53 | <vagrantc> try removing quiet and splash
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12:25 | <anivair> hrm ... okay, I seem to have localapps running (ie, it's in my lts.conf and my system loaded)
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12:25 | but I do not seem to have an option in my menu for running the app locally
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12:25 | should there be a menu entry, or am I going ot have to write a script ot run it locally?
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12:36 | <alkisg> anivair: distro/version?
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12:51 | <anivair> ubuntu 9.10
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12:57 | 64 bit
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12:57 | (ltsp is arch i386
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13:13 | <alkisg> anivair: you need LOCAL_APPS_MENU=True in lts.conf, and you need to install an application in the chroot which has a standard gnome menu (.desktop file)
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13:20 | <anivair> alkisg: did that. should I, then, be seeing a local version of twinkle in the gnome menu? Because I still see only the one instance of it
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13:20 | is there a way to check and see whether it'
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13:20 | it's running locally or not?
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13:20 | <alkisg> !localxterm
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13:20 | <ltspbot`> alkisg: "localxterm" :: while sitting on a thin client, open a gnome terminal. In that, run: ltsp-localapps xterm. An xterm will open. That xterm runs locally, so any commands you enter there are executed directly on the client.
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13:21 | <alkisg> anivair: so, open a local xterm an run ps on that, to verify.
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13:21 | <anivair> right. thanks
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13:21 | (could I write a script to execute it locally by force if need be using the same techniqie? ltsp-localapps twinkle?
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13:29 | <alkisg> Sure
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13:29 | That's essentially what the LOCAL_APPS_MENU does
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13:29 | <anivair> sweet
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13:29 | <alkisg> But did you install twinkle to the chroot, and ran ltsp-update-image?
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13:30 | <anivair> since I only need the one app, that might be a good option
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13:30 | I did ... let me get you the command
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13:31 | <alkisg> The correct way to do it is with the LOCAL_APPS_MENU=True option, that would put it to the gnome menus, overriding the server version
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13:31 | <anivair> chroot /opt/ltsp/i386 apt-get install twinkle
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13:31 | <alkisg> No need for workarounds in this case. Just a little troubleshooting to get it working..
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13:47 | <anivair> okay, i'm now sure I'm running it locally and sound is still a little patchy. When a call starts, I'll get a stutter in sound for 3-5 seconds. That is the most common effect
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13:47 | and then it goes normal
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13:48 | sometimes (one in ten) a call will have no sound on the receiving end. All they'll hear is audio garbage (probably the noise from the system trying to amplify nothing)
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13:48 | and I'm not sure why
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13:49 | <alkisg> Does it work correctly in standalone ubuntu machines?
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14:03 | <anivair> works just fine on the main server
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14:48 | <martijn_> can anyone tell me if 128MB is enough for the TC?
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14:51 | <anivair> depends on what you're running. If it's just normal email, net, and some text work, then sure
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14:52 | <martijn_> yes, that is the plan, but what if client wants to view youtube for example?
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14:56 | <johnny> the real problem there is that flash sucks in general.. whether running on the server or client :)
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14:57 | it should be ok for youtube as long as you don't run flash locally
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14:58 | <martijn_> it will be setup for a classroom environment, so the trick is to just NOT install Flash plugins I guess?
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14:58 | <johnny> then youtube won't work :)
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14:59 | just don't install flahs locally on the terminals.. but keep it running on the server.. as it is by default
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14:59 | <martijn_> so it will not hog the server then?
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15:00 | <alexqwesa__> I can't write cyrillic symbols on my ltsp-client: setxkbmap ru,us - don't work (also don't work sr... , but work fr, de, ... etc)
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15:00 | any ideas???
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15:01 | <alexqwesa__> please help... me
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15:02 | <alkisg> martijn_: I'm running flash on 64mb clients. Workable, but not full screen
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15:03 | alexqwesa__: distro/version?
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15:04 | <alexqwesa__> opensuse 11.2, ltsp-image also based opensuse11.2
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15:05 | <alkisg> Sorry, no idea, maybe you could ask in #kiwi (or is it #kiwi-ltsp? not sure...)
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15:06 | <martijn_> ok thanks, no need for full screen, so I will just give it a shot
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15:09 | <johnny> martijn_, yes it will hog the server
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15:09 | flash sucks
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15:09 | :)
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15:09 | but.. it's needed by many people.. so they have to deal with it anyways
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15:36 | <pem725> do I need to run ldap any more for fat clients? It seems that stephane's latest ppa authenticates via ssh.
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15:37 | whoops, I'm using karmic if that matters.
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15:42 | <markit> hi, debian sid, ltsp 5.2-1, client as sqeeze (testing), kernel 2.6.32. I can boot my notebook as client without troubles
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15:42 | but if I use my atom-based netbook, or my atom-based thin client, it hangs
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15:42 | around the net/eth0 stage, after dhcp
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15:42 | any clue?
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15:45 | <vagrantc> markit: were you able to get other versions to work? did it detect the network card?
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15:47 | <pem725> quick question for fat client experts...I'm setting up karmic with fat client using stephane's ppa code. Do I still need to use LDAP for user authentication or can I just follow the simple build client and move on?
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15:49 | <vagrantc> markit: and does it hang looking for dhcp, does dhcp give it a response and then hangs? what's the last message you see?
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15:49 | <johnny> pem725, try it
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15:50 | <vagrantc> pem725: shouldn't need ldap.
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15:50 | <markit> vagrantc: the problem is that is dowloading the kernel, the teh cursor moves up in the screen and starts overwriting previous messages
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15:50 | <vagrantc> pem725: with recent versions...
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15:50 | <pem725> yeah, I guess I should but I want to make sure I cover my bases before any problems crop up.
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15:50 | <markit> (also does with notebook)
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15:50 | <vagrantc> markit: yeah, i've noticed that too...
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15:50 | <pem725> thanks all.
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15:50 | <markit> and since often is a pain try to read
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15:51 | let's try to troubleshooting netbook first?
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15:51 | <vagrantc> markit: but can you give a best effort? :)
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15:51 | <markit> let me try again
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15:51 | lol, sure, just to make you aware is not laziness on my side
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15:52 | <vagrantc> :)
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15:52 | good.
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15:52 | lazy troubleshooters get me grumpy :)
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15:52 | <alkisg> pem725: no, ldap is not required for fat clients.
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15:53 | <pem725> thanks alkisg
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15:53 | I am just finishing up my build and should be booting in a few minutes.
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15:54 | <markit> ok, it gets dhcp, then trying to load pxelinux.cfg/default
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15:54 | loading
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15:54 | No interface found! Aborting.. A7
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15:54 | so seems can't see the eth0 :(
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15:54 | while the ubuntu installed on it works flawlessy (if I boot with grub)
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15:55 | <markit> vagrantc: probably now you want to know nic model?
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15:56 | <vagrantc> markit: i also wonder if atom clients work with the 486 kernel, or if you should try one of the newer kernels.
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15:57 | markit: that sounds like an issue with pxelinux ... probably doesn't support your network card.
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15:57 | <markit> also there is a message right before dhcp "pxe entrhy point found (we hope) at (address here) via plan A
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15:58 | <vagrantc> markit: you could try syslinux from experimental, which has a newer upstream version...
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15:58 | <markit> I've build for i386 architecture...is it producing 486 code?
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15:59 | vagrantc: sorry, I'm not a ltsp guru... a) pxelinux isn't loading the kernel, and kernel is 2.6.32, and it should have the module for my nick, since works in ubuntu?
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15:59 | b) what is the "syslinux" you are mentioning?
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15:59 | <vagrantc> markit: or an older version of syslinux, seems like ubuntu still has 3.63, while debian testing has 3.83
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15:59 | markit: syslinux is the bootloader you load over the network... what actually loads the kernel and initramfs over the network
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16:00 | markit: the i386 architecture has multiple kernel variants built to support different sub-architectures, such as 486, 686 and so on.
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16:01 | <markit> vagrantc: is there a way to tell ltsp to use the "lower pure i386" version of the code when build client part?
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16:01 | and how could I use a different syslinux inside my current ltsp?
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16:01 | <vagrantc> markit: don't worry about that part too much... there's lots of other stuff to troubleshoot before worrying about that
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16:01 | the kernel type ...
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16:02 | <markit> well, what puzzles me is thin client based upon atom should be very common these days
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16:02 | <vagrantc> wow. ubuntu's got an older version of syslinux than debian stable!
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16:02 | <markit> but google did not revealed specific problems about ltsp-atom, all the contrary
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16:02 | there are "ltsp - ready" thin clients based upon atom
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16:03 | <vagrantc> atoms should be plainly compatible... most likely it's just something with the network card, either syslinux doesn't work with it... or the kernel.
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16:03 | <alkisg> vagrantc: yeah, it's a pain, many clients are not booting anymore and we're downloading syslinux from debian to boot them :)
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16:03 | <vagrantc> debian's kernels do tend to strip out non-free firmware.
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16:03 | <alkisg> It's been patched for the cd gfxboot and it's difficult to update it :-/
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16:03 | <vagrantc> alkisg: have you looked into why it's held up for so long?
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16:04 | <alkisg> pxelinux is not the problem, isolinux is - but they're both in the same package, so... :(
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16:05 | <markit> mmm ubuntu package for the kernel is "linux-image-2.6.32-7-generic
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16:05 | <alkisg> https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/270822
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16:05 | markit: does the client have a floppy/cd/usb stick to try booting it with gpxe?
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16:06 | <markit> alkisg: usb could be used
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16:06 | <alkisg> http://rom-o-matic.net/gpxe/gpxe-1.0.0/contrib/rom-o-matic/
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16:06 | Choose an output format: ==> usb
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16:06 | Get image, dd it to the stick, and boot from it
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16:07 | (do try the newer pxelinux version first
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16:08 | <vagrantc> markit: good luck... i unfortunately don't have much time to troubleshoot with you today.
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16:08 | hopefully there's other folks who can help? :)
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16:08 | <markit> vagrantc: thanks a lot in any case :)
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16:09 | alkisg: I'll use unebooting to create the usb boot
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16:09 | <alkisg> markit: http://packages.debian.org/experimental/all/syslinux-common/download
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16:09 | Download the deb from there, unzip, get pxelinux.0 and replace yours with that
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16:09 | <markit> alkisg: faster solution? do I have to ltsp-rebuild anything?
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16:09 | <alkisg> Nothing - just a file copy
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16:10 | <markit> ok, hold on :)
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16:10 | <alkisg> markit: also, did I understand correctly that the atom has an ubuntu os in it?
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16:10 | <vagrantc> markit: additionally, you could copy the pxelinux from ubuntu to try
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16:10 | * vagrantc really disappears now | |
16:10 | <markit> alkisg: yes, ubuntu remix, with kde (kubuntu remix) 9.10
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16:11 | <alkisg> markit: ah, fine, I got a package for you :) gpxe for grub 2
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16:11 | You just install the package and you're done
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16:11 | <markit> fabolous :) let me try asap
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16:12 | <alkisg> https://launchpad.net/~ts.sch.gr/+archive/ppa/+files/gpxe_1.0.0~1~ppa1_all.deb
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16:12 | Just install this. It should add an entry to grub2, so you can select "boot from network" directly from the grub menu.
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16:12 | <markit> thought it was in the repo...
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16:13 | but better use your previous suggestions
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16:13 | <alkisg> No that's the best one
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16:13 | <markit> since I have to try the "atom based thin client" also
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16:13 | that has NO os on it
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16:13 | <alkisg> Vagrantc made the gpxe package and I added the grub2 capability
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16:13 | OK
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16:14 | <markit> oh, lucky day in IRC for me :)
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16:14 | (thanks a lot for your work in FOSS!)
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16:14 | <vagrantc> panthera: we must remember to add alkisg's grub2 hooks when uploading gpxe :)
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16:14 | <alkisg> vagrantc really really disappears now :D
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16:16 | <markit> alkisg: ehm, are you sure that I can "unzip" a .deb?
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16:16 | gives me an error with unzip packagename
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16:16 | <vagrantc> dpkg-deb -x foo.deb /path/to/unpack
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16:17 | i'd better just disappear...
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16:19 | <alkisg> markit: sorry, wrong link for the gpxe-grub package, here's the correct one (if pxelinux.0 fails): https://launchpad.net/~ts.sch.gr/+archive/ppa/+files/gpxe-grub_1.0.0~1~ppa1_all.deb
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16:21 | <markit> ok, replaced pxelinux.0, but I'm noticing has the SAME size of the previous one
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16:22 | looks they are the same...
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16:22 | -rw-r--r-- 1 root root 16470 20 feb 23:15 pxelinux.0
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16:26 | alkisg: well, gpxe package installed, I get "iBFT has incorrect checksup"
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16:26 | m
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16:27 | and no interfaces found...
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16:32 | <alkisg> markit: you booted with gpxe in grub and you got that?
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16:32 | <markit> yep
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16:32 | <alkisg> Ouch
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16:33 | What nic is that?
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16:33 | <markit> I copied the new pxelinux.0, noticed has the same size of older, so I tryed gpxe and got the same behaviour I had at the beginning
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16:33 | let me check
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16:34 | <alkisg> Wait. *what* shows that message? Is it gpxe or is it later on, after the kernel is loaded?
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16:34 | <markit> well, gpxe starts, says "waiting the interface to come up" or something like that
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16:35 | after 5-8 seconds starts dhcp and the usual stuff
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16:35 | and then the error
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16:35 | <alkisg> So, you do see a "loading vmlinuz" ?
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16:36 | <markit> 03:00.0 Ethernet controller: Attansic Technology Corp. Atheros AR8132 / L1c Gigabit Ethernet Adapter (rev c0)
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16:36 | (well, aspire specs dont' talk about "gigabit" ethernet... I'm puzzled)
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16:36 | <stgraber> it's not
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16:37 | <markit> let me try again and watch carefully
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16:37 | <stgraber> Atlansic Gigabit is just some kind of brand, they aren't actual Gigabit (at least not the ones in the Aspire and some EEE)
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16:37 | <alkisg> Wow, and that's called "branding", not "fooling people"? :D
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16:38 | <markit> alkisg: is a mess with the overlapping messages
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16:38 | but is something like
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16:38 | <stgraber> hehe ;) I found it quite weird the first time I booted my netbook too :)
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16:38 | <markit> "trying to load pxelisnux.cfg/default
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16:38 | then "iBTF has incorrect checksum"
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16:38 | then "Loading please wait"
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16:39 | <alkisg> OK, that looks like gpxe *can* handle your card
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16:39 | <stgraber> I'm guessing the chip can do gigabit and so can the driver and it's just a small option to get from the 100Mb/s to the 1Gb/s one so they didn't take the time to change the product name ...
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16:39 | <markit> and then "no interfaces found aborting"
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16:39 | <alkisg> And either pxelinux or the kernel cannot.
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16:39 | <markit> stgraber: and linux kernel is not exploiting this capability? sad .. :)
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16:40 | <stgraber> markit: ethtool eth0 should give you the right result
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16:40 | <markit> alkisg: the "thin client" also has a gbit ethernet adapter... is it a coincidence?
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16:40 | <stgraber> markit: lspci is just showing what it gets from the device
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16:42 | <markit> notebook, that boots fine, has 100mbit...
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16:43 | <markit> is ltsp 2.3.32 kernel without proper gbit modules?
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16:43 | 2.6.32
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16:44 | <stgraber> it's very unlikely to be the problem as I'm booting my own Atlansic gigabit with lucid (2.6.32) without any issue
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16:46 | <markit> stgraber: the netbook boots fine with 9.10, 2.3.32, but seems that does not work from ltsp instead, so just wondering why
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16:47 | maybe the packager left out some important piece
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16:53 | <markit> this is the thin client I want to boot and fails also like (with some difference) the netbook:
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16:53 | http://www.yashiweb.com/it/specifiche_tecniche/8233/
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16:54 | is really small :)
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16:54 | (page in italian, sorry, but data sheet is easy to understand)
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16:58 | <markit> alkisg is gone too... I suppose the situation is desperate
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