IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 26 September 2008 (all times are UTC)
| 00:05 | <loather-work> prathibh: ircing as root?
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| 00:06 | <johnny> i'll irc your root
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| 02:06 | <Pascal_1> bonjour
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| 04:41 | <DawnLight> hello
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| 04:46 | <DawnLight> i've three seemingly identical thin clients and one of them starts up in 800x600 while the other two in 1024x768. lspci shows no difference and not does the client's xorg.conf and the same modules are loaded. i don't know where else to check for some clue about why this happens. perhaps Xorg logs?
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| 04:46 | i don't see an lts.conf option for screen resolution...
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| 04:47 | only a custom configuration file
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| 04:49 | <cyberorg> DawnLight, try loging in as same user on all three client one after the other, there is custom resolution information stored by DE too
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| 04:54 | <nubae> and there is a flag for resolution
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| 05:04 | <cyberorg> how is it going nubae ?
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| 05:05 | <DawnLight> cyberorg: what is DE?
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| 05:06 | <cyberorg> http://en.wikipedia.org/wiki/Desktop_environment
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| 05:07 | <DawnLight> nubae: what's the flag for resolution? i can't find it in lts-parameters.txt.gz
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| 05:14 | <nubae> cyberorg: not too bad... working on low fat client... coming along nicely... have a question for u though
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| 05:14 | <cyberorg> X_MODE_0=1024x768
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| 05:14 | <nubae> I'm mounting /home via nfs through an lts.conf script...
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| 05:14 | from the --fat-client plugin
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| 05:15 | but I need to know where ltsp and gdm set the /home directory
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| 05:16 | also, maybe lts.conf is not the best place for the nfs mount script... but at least with upgrades it wont overwrite it
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| 05:16 | <cyberorg> nubae, i dont quite understand your question
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| 05:17 | <nubae> when home is mounted for the user logging in, where is the location set?
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| 05:17 | ie... say I want a different location than /home
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| 05:18 | when adding a user its in /etc/adduser.conf
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| 05:18 | but when an existing user logs in, where does it get the value from?
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| 05:20 | <cyberorg> nubae, what user database are you using /etc/passwd, ldap, AD?
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| 05:21 | <nubae> I'm playing with synching the /etc/passwd from server
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| 05:21 | insecure I know... but it works the easiest
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| 05:21 | <cyberorg> nubae, then look in ./etc/passwd :)
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| 05:22 | change home path in there
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| 05:22 | <nubae> doh!
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| 05:22 | <cyberorg> you should be using ldap though
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| 05:22 | i have a netfat client working, but it is not very clean :(
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| 05:23 | <nubae> well, thats next... the problem is that the script then is gonna be huge and complicated
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| 05:23 | right now its simple and works really well
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| 05:23 | have to be careful what gets installed in the fat chroot...
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| 05:24 | Id have to test to see if ldap server is installed, if not install it, then install ldap client too
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| 05:25 | ask if the user wants to authenticate with AD...
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| 05:25 | but yeah long term thats the idea
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| 05:26 | <cyberorg> i have used ldap, client is all automatically setup, it also uses all the apps installed on the server instead of having to install in the image
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| 05:26 | https://forgesvn1.novell.com/viewsvn/kiwi-ltsp/branches/netfat/suse-11.0/
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| 05:26 | as it is using kiwi play with it if you have opensuse 11.0 installed somewhere
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| 05:27 | ping me when you want to set up ldap on the server, it is quite simple though using yast
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| 05:27 | <nubae> well I know how to do it pretty well on debian/ubuntu
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| 05:28 | <cyberorg> yast just makes it few clicks instead of messing with a couple of config files ;)
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| 05:29 | <nubae> yeah, if I put in the ldap stuff, need to script all the setup stuff, and its not that standardised
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| 05:30 | for ubuntu/debian
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| 05:32 | <cyberorg> i was trying to workout a way where ldap server and client setup and installation of all the apps is required only on the server
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| 05:33 | create a netbootable squashfs image that can be used anywhere else, independent of where it was created
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| 06:00 | <nubae> cyberorg: did u get local printing working?
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| 06:00 | <cyberorg> nubae, not tested yet, as you know i cant get ldm running :)
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| 06:00 | <nubae> for fat client I mean
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| 06:03 | <cyberorg> ah, fat client thing is on hold at the moment, just tested that it build and works as expected
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| 06:03 | i dont like gnome, firefox and mono putting their stuff in /etc, that is giving some grief
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| 06:03 | <nubae> ah ok, in the thin client /etc/hosts shows the server ip called server
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| 06:04 | instead of actual name of server
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| 06:04 | stops cups working
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| 08:44 | <sbalneav> Morning all
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| 09:11 | <frin> morning
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| 09:50 | <DawnLight> do i need to rebuild the image when i change the /var/lib/tftpboot/ltsp/i386/lts.conf file? i would guess not because it is in the tftpboot thingy so... i put X_MODE_0=1024x768 there and it doesn't change the client after reboot
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| 09:50 | still 800x600
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| 09:53 | <frin> no, just reboot
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| 10:00 | <_UsUrPeR_> ok, so I have been following http://wiki.ltsp.org/twiki/bin/view/Ltsp/LocalAppFirefox to see if I can get firefox running on a thinclient. Is there a better tutorial/instruction set out there at the moment?
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| 10:11 | <Marie_untu> I am running ltsp in ubuntu hardy 8.04
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| 10:12 | I have a problem updating the kernels on the clients
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| 10:12 | the server is running the 2.6.24-19-generic and the clients the 2.6.24-16-generic
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| 10:12 | I have already upgraded the clients in the chroot
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| 10:12 | when i execute the ltsp-update-kernels the clients' kernel is not updated, it still the -16-generic
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| 10:12 | the only thing I changed is the usplash in the server, and then i executed update-initramfs
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| 10:12 | any idea? it is a bug or a misconfiguration problem?
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| 10:25 | ok, next quest.
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| 10:25 | how can I change the kernel in the clients manually??
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| 10:41 | <cyberorg> _UsUrPeR_, firefox is included in suse image, http://en.opensuse.org/LTSP/Localapps
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| 10:52 | <_UsUrPeR_> cyberorg: thanks, I'll check it out
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| 11:18 | <_UsUrPeR_> does anyone know how to remove the preferences button in the lower-left of the Fedora client login?
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| 11:18 | you know... select language and whatnot
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| 11:23 | <jc2it> Isn't that button part of the theme? I think it might be coded in the gnome login theme (in a regular fat client distro), but I am not sure.
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| 11:24 | <_UsUrPeR_> jc2it it makes sense that it's part of a theme, but it looks decidedly different from the normal fedora theme
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| 11:24 | with the LTSP.org background
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| 11:25 | <cyberorg> _UsUrPeR_, see in ldm's greeter
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| 11:26 | <_UsUrPeR_> cyberorg: wat
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| 11:26 | <alkisg> Hi, I'm looking to buy an ltsp server for a 1Gbit local network, and I got confused about the PCI bus speed. Do I need a PCI-Express NIC?
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| 11:26 | <dberkholz> johnny: cgroups issues? eh?
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| 11:27 | <_UsUrPeR_> cyberorg: sorry, I don't understand, could you extrapolate just a bit?
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| 11:28 | <cyberorg> _UsUrPeR_, you'll have to get ldm-trunk code, work on greeter in there to get rid of preferences button
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| 11:28 | <_UsUrPeR_> cyberorg: ahh. thanks for the longer explaination
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| 11:31 | <alkisg> Is the PCI bus 133MB/s enough for gigabit networking? Or should I buy a PCI-e card? Anyone with benchmarks? :)
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| 11:34 | <cyberorg> alkisg, how many clients and what kind of network traffic you expect?
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| 11:34 | <alkisg> cyberorg, school lab, 8 clients, but lots of networking (surfing, flash animations...) I've been using 3-nic aggregation so far, with a limit of 180 MBps and more is needed...
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| 11:35 | <cyberorg> more with just 8 clients?!!
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| 11:35 | <alkisg> Yeah, a full screen flash video is about 70Mbps
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| 11:36 | ==> LDM_DIRECTX=True, old clients
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| 11:36 | By my benchmarks, I'd be happy with ~600MBps :)
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| 11:37 | So I'm upgrading the lab to gigabit, but I don't know if I need pci-e on the server
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| 11:38 | <cyberorg> pci-e is always better afaik
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| 11:40 | <alkisg> OK... just that if I knew that anyone got more than say 400Mbps with a simple PCI gigabit NIC, I could save some money... ;)
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| 11:41 | cyberorg, thanks!
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| 11:48 | * _UsUrPeR_ just walked into this conversation | |
| 11:48 | <_UsUrPeR_> pci-e v1.1 1x = 250MB/s while PCI = 133MB/sec
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| 11:49 | express would definitely be a lot better for throughput. Get a full 4x pci-e card and you can fill a gigabit switch :D
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| 11:52 | <_UsUrPeR_> my bad. peak transfer rate of a PCI 2.2 compatible card would be 533 MB/s
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| 11:57 | <alkisg> _UsUrPeR_, sorry I didn't see your replies at once. I think PCI 2.2 is not widely implemented though...
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| 11:58 | I'd have to dig very deep to see if both my motherboard and the nic support it...
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| 11:59 | But 133MB/s would be enough, IF it all goes on the nic... Even 100MB/s would be enough. But does it? Or the actual throughput is < 400Mbps? ...
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| 12:02 | <alkisg> I hope ssh supported a lighter/faster compression like http://www.quicklz.com/ :(
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| 12:03 | <_UsUrPeR_> alkisg: Bursting implies that there will be no sustained transfer rates of a speed like that
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| 12:04 | personally, I have never seen a network transfer even close to half the capacity it claims to transfer at, but that may just be a personal problem ;)
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| 12:05 | <Marie_untu> how can I change the usplash in the clients?????
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| 12:06 | I sucessfully change it in the server, but the clients usplash seems to work in a different way
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| 12:06 | I have already created the usplash-theme.so
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| 12:06 | I am using ubuntu hardy 8.04
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| 12:06 | any idea please??
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| 12:09 | is anyone here??
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| 12:10 | <gbolte> no
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| 12:10 | :P
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| 12:10 | <Marie_untu> :)
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| 12:10 | <gbolte> they are all just hiding
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| 12:10 | <alkisg> _UsUrPeR_, well, I guess I'll have to do a benchmark with a PCI nic and see what's the limit... I don't have a gbit switch yet, so simple crossover, but I think I'll get a rough measurement. Thanks!
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| 12:10 | <Marie_untu> lol
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| 12:11 | ok, i will find u, all of u!!!
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| 12:11 | <_UsUrPeR_> :/
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| 12:11 | <Gadi> Marie_untu: you need to update alternatives in the chroot
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| 12:11 | (sorry - mtgs all day)
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| 12:11 | :D
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| 12:12 | <Marie_untu> i did it, it doesnt work
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| 12:12 | <Gadi> did you update the initramfs?
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| 12:12 | <Marie_untu> update-alternatives --config usplash-artwork.so
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| 12:12 | yes
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| 12:12 | and also the image
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| 12:13 | <Gadi> ls -l /opt/ltsp/i386/etc/alternatives/usplash-artwork.so
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| 12:13 | does that link to yours?
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| 12:14 | <Marie_untu> yes
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| 12:14 | now i am testing it with the xubuntu usplash, and it links to that
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| 12:14 | <Gadi> didn't you say you also have issues with the client getting a differnt kernel than expected?
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| 12:14 | <Marie_untu> but when i restart the client the default ubuntu still there
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| 12:15 | <Gadi> sounds like you are updating a different thing than you are pushing
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| 12:15 | <Marie_untu> yes, but I sort it out that one
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| 12:15 | <Gadi> and you ran ltsp-update-kerenls after changing initramfs?
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| 12:15 | <Marie_untu> i updated to the -19-generic kernel, now it is updated susessfully
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| 12:16 | <_UsUrPeR_> gadi: I am trying to get rid of the "Failsafe xterm" option in session manager on the logon screen in fedora. Where can I change that?
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| 12:16 | <Gadi> also, are you PXE booting or etherbooting?
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| 12:16 | <Marie_untu> yes
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| 12:16 | nooooooo
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| 12:16 | sorry
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| 12:16 | i updated the kernel before changin the usplash
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| 12:16 | <Gadi> if etherboot, you should also run: chroot /opt/ltsp/i386 /usr/lib/ltsp/update_kernels
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| 12:17 | before running ltsp-update-kernels
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| 12:17 | (that makes the nbi image)
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| 12:17 | <Marie_untu> ok
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| 12:17 | i ll try that
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| 12:18 | <Gadi> _UsUrPeR_: check ltspinfod to see how it passes avaliable sessions
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| 12:18 | or, I think you can put LDM_SESSION in lts.conf set to a particular one
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| 12:19 | <Marie_untu> chroot /opt/ltsp/i386 /usr/lib/ltsp/update_kernels No such file or directory
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| 12:19 | <Gadi> hmm...
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| 12:19 | maybe it is a hyphen
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| 12:19 | ls /opt/ltsp/i386/usr/lib/ltsp
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| 12:19 | <_UsUrPeR_> gadi: so LDM_SESSION="default" or something along the lines?
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| 12:19 | <Gadi> _UsUrPeR_: maybe - I haven;t played with it
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| 12:19 | <_UsUrPeR_> k
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| 12:19 | <Gadi> just remember some of the code updates
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| 12:19 | <Marie_untu> ls: cannot access /opt/ltsp/i386/usr/lib/ltsp: No such file or directory
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| 12:20 | <Gadi> Marie_untu: hmm...
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| 12:20 | one sec
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| 12:20 | <Marie_untu> ooops sorry i was in chroot
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| 12:20 | <Gadi> ah
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| 12:21 | <Marie_untu> configure-x.sh ltsp_config screen.d screen_session update-kernels
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| 12:21 | <Gadi> last one
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| 12:21 | :)
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| 12:21 | <Marie_untu> ok , i see :)
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| 12:21 | <Gadi> hyphen, underscore, you say tomato, I say....
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| 12:21 | stupid computers are so literal
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| 12:22 | <Marie_untu> lol
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| 12:22 | Skipping yaboot configuration. install yaboot package if you need it.
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| 12:22 | Skipping netabootwrap images. Install the aboot package if you need them.
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| 12:22 | Skipping sparc piggyback images. Install the sparc-utils package if you need them.
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| 12:22 | <Gadi> yeah, we are ahead of our time ...
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| 12:22 | <Marie_untu> :)
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| 12:22 | <Gadi> ok, now ltsp-update-kernels
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| 12:23 | <Marie_untu> same
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| 12:23 | Updating /var/lib/tftpboot directories for chroot: /opt/ltsp/i386
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| 12:23 | <Gadi> that was a quick test
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| 12:23 | <Marie_untu> lets do the hard one :)
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| 12:24 | anyway, I just want to change the usplash in the client, it is soooooooo hard!! :(
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| 12:24 | <Gadi> Marie_untu: what I do for that is this:
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| 12:24 | apt-get source usplash-ubuntu-artwork
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| 12:24 | (or whatever it is)
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| 12:24 | make my changes
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| 12:24 | <Marie_untu> yep i did that
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| 12:24 | <Gadi> bump the version number
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| 12:25 | reroll the package
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| 12:25 | install the package in the chroot
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| 12:25 | <Marie_untu> yep i have the .so file
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| 12:25 | <Gadi> you may need more than just the .so file
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| 12:25 | also, did you change all the artworks?
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| 12:25 | <Marie_untu> yep
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| 12:25 | <Gadi> for the various resolutions?
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| 12:25 | <Marie_untu> and in the server is working
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| 12:26 | in the server is already working
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| 12:26 | <Gadi> well, try this:
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| 12:26 | chroot /opt/ltsp/i386 update-initramfs -c -k <vernel_version>
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| 12:26 | <Marie_untu> yep i did that
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| 12:26 | version -19-generic
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| 12:26 | <Gadi> ah, ok
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| 12:26 | are you sure you were in the chroot?
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| 12:27 | <Marie_untu> i place the theme.so in the /usr/lib/usplash on the chroot
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| 12:27 | <Gadi> is your server the same version as the client?
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| 12:27 | <Marie_untu> yep
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| 12:27 | <Gadi> great! copy the server's initramfs to /var/lib/tftpboot/lts/i386/...
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| 12:27 | and try that
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| 12:27 | :D
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| 12:27 | oh, actually
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| 12:27 | no that'll break
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| 12:27 | for sure
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| 12:27 | lol
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| 12:28 | <Marie_untu> :)
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| 12:28 | <Gadi> no ltsp-nbd stuff
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| 12:28 | weird
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| 12:28 | <Marie_untu> i tryed that before
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| 12:28 | and yes
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| 12:28 | the client doesnt go beyond the usplash
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| 12:28 | <Gadi> did you try overwriting the .so file?
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| 12:29 | (the current one)
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| 12:29 | in the chroot
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| 12:29 | <Marie_untu> yep
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| 12:29 | but hold down
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| 12:29 | so the client usplash works in the same way as the server???
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| 12:29 | <Gadi> do this: delete all initramfs files from tftpboot directory and chroot's boot dir
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| 12:30 | and then, update the initramfs
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| 12:30 | <Marie_untu> ok
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| 12:30 | <Gadi> and ltsp-update-kernels
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| 12:30 | make sure you have a fresh initramfs
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| 12:30 | <nubae> hey Gadi, for local printing what files did u modify (/etc/cups/cupsd.conf)?
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| 12:30 | for local apps
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| 12:31 | <Gadi> nubae: echo "ServerName ${LDM_SERVER}" > /etc/cups/client.conf
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| 12:31 | <nubae> the /etc/hosts file also shows server, as opposed to actual servername, u didn't need to change that?
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| 12:32 | <Gadi> nubae: you need to also modify the server's cupsd.conf to Allow connections to Location / and to listen on *:631 and restart cups on the server
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| 12:32 | nubae: nope this is independent of /etc/hosts
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| 12:32 | as LDM_SERVER is an IP
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| 12:33 | <nubae> ok I'll tr it like that... thanks
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| 12:33 | <Gadi> if you are doing this manually, and use a hostname, and it is *always* the ltspserver, you can use "server" instead of ${LDM_SERVER}"
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| 12:33 | but that makes lots of assumptions
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| 12:34 | my script adds it as an ldm rc.d script, so I have LDM_SERVER as a variable
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| 12:35 | http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/revision/871
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| 12:35 | nubae: you can patch like that
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| 12:36 | <nubae> thanks
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| 12:36 | <Gadi> brb
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| 12:44 | <nubae> Gadi: cool that seems to work
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| 13:09 | <Gadi> nubae: excellent!
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| 13:09 | so, it wasn't that patch that made ldm not compile for you ;)
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| 13:13 | <nubae> heh not that one no... but ldm still doesnt work for me or cyberorg
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| 13:14 | I've tried manually putting files in place, installing with make install =prefix=/opt/ltsp/i386/usr
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| 13:14 | always same result
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| 13:17 | <_UsUrPeR_> does ltspinfod come pre-installed/running on client images in fedora?
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| 13:23 | <_UsUrPeR_> because I'm seeing it does not by default
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| 13:23 | nor is installed, and I can't find a package pertaining to it :|
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| 13:26 | <johnny> ldminfod
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| 13:26 | on the server
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| 13:26 | there is no ltspinfod
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| 13:26 | <_UsUrPeR_> oh, accoring to the twiki, ldminfod runs on the client. Is that not the case?
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| 13:26 | omg...
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| 13:27 | <johnny> ldminfo tells the client what to do
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| 13:27 | which server to pick
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| 13:27 | load average
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| 13:27 | language
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| 13:27 | and perhaps XSESSION soon
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| 13:27 | <_UsUrPeR_> ok, cool. I have been typing gibberish the entire time
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| 13:28 | <johnny> i kinda personally think it should be exposed over zeroconf..
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| 13:28 | maybe that's just me tho..
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| 13:29 | perhaps a future enhancement
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| 13:29 | <_UsUrPeR_> ok, well I have gotten lots of crazy suggestions for this since I asked
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| 13:30 | <johnny> since you asked what?
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| 13:30 | <_UsUrPeR_> some seem pertinent, some don't too much.
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| 13:30 | I am looking for a way to either eliminate the "preferences" button in the lower-left, or disallow a user from selecting a different lange/session
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| 13:30 | one of the two
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| 13:31 | from the Fedora LTSP login screen
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| 13:31 | <johnny> easiest perhaps.. edit the theme :)
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| 13:31 | * _UsUrPeR_ cries | |
| 13:31 | <johnny> do some trickery to hide it :)
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| 13:31 | <_UsUrPeR_> where is it?
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| 13:31 | <johnny> so.. what does ldminfod tell you?
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| 13:31 | <_UsUrPeR_> where is the theme?
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| 13:31 | <johnny> my system here has no extra locales or options
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| 13:31 | <_UsUrPeR_> ok
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| 13:32 | well mind has 800 languages, and two sessions
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| 13:32 | <johnny> ouch.. clean up your server :)
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| 13:32 | <_UsUrPeR_> startkde and gnome-session
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| 13:32 | <jammcq> hey kids
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| 13:32 | <_UsUrPeR_> sup jamm
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| 13:32 | <johnny> 800 languages? you could just delete some from your server :)
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| 13:32 | <jammcq> http://wiki.ltsp.org/twiki/bin/view/Ltsp/ByTheSea2008
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| 13:32 | <johnny> it asks your server what it supports
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| 13:32 | <jammcq> c'mon guys, I need people to sign up
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| 13:33 | <johnny> jammcq, i'm still in a certain financial situation ..
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| 13:33 | i doubt i'll be sure til middle october
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| 13:33 | <_UsUrPeR_> jammcq: convince for etyack to pay for me to go ;)
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| 13:33 | <jammcq> ok, but there's only 5 people so far
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| 13:34 | <johnny> how many do you expect?
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| 13:34 | is ogra even going to be able to come?
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| 13:34 | <jammcq> last year we had 15 or 16 I think
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| 13:34 | ogra said he'd be there
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| 13:34 | <johnny> there's one :)
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| 13:34 | <jammcq> but he hasn't bought his plane ticket yet
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| 13:34 | <johnny> vagrantc.. not sure if he wants to trek al lthe way across the country or not
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| 13:35 | or if he can afford it for that matter
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| 13:35 | <jammcq> vagrantc showed some interest
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| 13:35 | <johnny> warren lives close enough..
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| 13:35 | i think he's just not feeling well
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| 13:35 | so doesn't want to commit until he does
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| 13:36 | so.. where are the suse guys? any of them even live in the USA/canada ?
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| 13:37 | i doubt donnie will be able to show
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| 13:37 | new baby and all
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| 13:37 | _UsUrPeR_, so.. thought about trimming your languages on the server?
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| 13:37 | <_UsUrPeR_> johnny: I'll check into that
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| 13:37 | <johnny> _UsUrPeR_, or you could hack the python script
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| 13:37 | force it
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| 13:38 | <_UsUrPeR_> more importantly though, it doesn't say anything about themes
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| 13:38 | <johnny> or.. hack it.. and add a config option for something like /etc/ltsp/ldminfod.conf
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| 13:38 | in which youcould override the amount of sessions
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| 13:38 | and languages
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| 13:38 | that'd be the best option perhaps
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| 13:39 | if you're python friendly
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| 13:39 | <_UsUrPeR_> that sounds nice. Python is also an option, but I have no idea where the stuff is stored. I have been told back in the day that it was hooked in with X11
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| 13:39 | <johnny> it's not hooked anywhere
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| 13:39 | it's just a simple stream daemon
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| 13:39 | inetd calls it
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| 13:40 | and it returns results
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| 13:40 | you can edit it directly.. it has no support files
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| 13:41 | it's a very simple script
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| 13:41 | _UsUrPeR_, does that help?
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| 13:42 | <_UsUrPeR_> I'm gonna be honest, I have never dealt with python, but I want to assume it's just another object-oriented language which I can muddle my way through
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| 13:42 | <johnny> yeah.. i bet you can
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| 13:42 | <_UsUrPeR_> :P
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| 13:42 | <johnny> its' simple enough.. just indent
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| 13:42 | <_UsUrPeR_> lol. best advice ever
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| 13:43 | <johnny> follow the coding standards and youll be fine
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| 13:43 | 4 spaces, no tabs
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| 13:43 | <_UsUrPeR_> anyway, inetd calls the script you say?
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| 13:43 | <johnny> yes
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| 13:43 | take a look inside
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| 13:43 | see if you have any questions
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| 13:44 | <_UsUrPeR_> no, I think I'll be ok for a bit
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| 13:45 | wow, this looks a lot like java
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| 13:46 | <johnny> main difference is that the file itself can be the class ..
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| 13:46 | <_UsUrPeR_> yeah, no main either
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| 13:47 | <johnny> sure there is
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| 13:47 | scroll down
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| 13:47 | main is a special func
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| 13:47 | <_UsUrPeR_> it's like a mix of java and bash
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| 13:47 | <johnny> __main__
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| 13:47 | <_UsUrPeR_> lol oops there it is :)
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| 13:47 | <johnny> this isn't the best designed pthon.. because it's just a simple script
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| 13:47 | it doesn't need a whole directory tree and whatnot
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| 13:47 | that will show you what a larger python project would be like
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| 13:48 | anyways.. if you just were to edit the returns or prints for languages and sessions your problem would be solved
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| 13:48 | but for bonus points, you could make it configurable
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| 13:49 | anyways.. i gotta prepare for the day
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| 13:49 | good luck
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| 13:50 | <_UsUrPeR_> thanks :D
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| 14:04 | <dberkholz> jammcq: yeah, i'm not gonna make it out for two reasons -- baby
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| 14:04 | jammcq: & cost
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| 14:04 | jammcq: i'm sure you'll have fun though =)
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| 14:16 | <alkisg> _UsUrPeR_, cyberorg, if you're interested, results from running netperf with a crossover cable between 2 PCs with Gbit NICs: 296.34Mbps. If anyone has PCI Express, I'd be much obliged to hear his results from netperf...
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| 14:30 | <_UsUrPeR_> alkisg: not too shabby
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| 14:30 | was that peak or average?
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| 14:30 | <alkisg> Average, in 10 seconds standard test
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| 14:31 | But with a crossover cable, no interference from anything
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| 14:31 | So I guess in a standard ltsp setup, it'll be less than 250... Not good enough for video playback! :(
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| 14:33 | <_UsUrPeR_> definitely not. Even full-screen flash is awful looking
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| 14:33 | still, that's better than I have gotten in my own home with tests.
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| 14:34 | I was able to fill 15% of a NIC's capacity
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| 14:34 | gigabit
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| 14:34 | <alkisg> Well, flash also uses more than 100% CPU, so I used totem to have an optical view
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| 14:34 | <_UsUrPeR_> ahh
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| 14:34 | <alkisg> With just one client, it was perfect, 30fps and all, with ~100Mbps
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| 14:34 | <_UsUrPeR_> wow
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| 14:35 | looks like it's time to run fiber! :D
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| 14:35 | <alkisg> But with 300Mbps max, I can only support 3 clients! :(
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| 14:35 | Either that or aggregating with PCI express!!! :)
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| 14:35 | <_UsUrPeR_> I would go the PCI express route, for sure
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| 14:35 | <alkisg> Ah, for your tests, try with LDM_DIRECTX=True, because encryption/compressions eats the whole CPU in video playback
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| 14:35 | <_UsUrPeR_> it would be nice if I could find some pci-e cards with greater than 1x capabilities
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| 14:36 | <alkisg> They're expensive... I saw an intel 1000pt dual head with about 150 euros...
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| 14:37 | <_UsUrPeR_> yeah, I was looking at newegg, and say a few that were worth a lot, but nothing that used above PCI-E v1.0a
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| 14:38 | <alkisg> I wonder if pci-e bandwidth is independed from pci bus bandwidth... or when someone uses both, speed goes down?
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| 14:39 | <_UsUrPeR_> i believe the advantage of pci-e architecture was the fact that the add-on cards have direct shots at the processor and ram.
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| 14:41 | <alkisg> Well, then maybe with a cheap pci-e card and another cheap pci card the full gigabit could be approached! :D
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| 14:45 | <_UsUrPeR_> throughput on the recieving end would probably draw that down
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| 14:48 | <alkisg> I was wondering about that also. Modern switches are supposed to have buffering + store and forward techniques, so if many clients draw from the same server, it could send some data to one client, then the next, then the next, ... so that they could function on lower speed than the server.
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| 14:48 | But some benchmarks I've ran on a (cheap) switch didn't confirm that!
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| 14:50 | So now I'm wondering why some switches with just one gbit port (and all the others 100mbit) do exist!
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| 14:52 | <_UsUrPeR_> brb
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| 15:21 | <samtayuk_> Hey
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| 15:22 | Can any one shine some light on ubuntu hardy and localapps? I have been searching all day and just can't find any information.
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| 15:22 | <johnny> it's not easy in hardy
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| 15:23 | nobody found it worth the effort
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| 15:23 | it's going to be easier in intrepid, due to ssh folks finally adding a piece we need
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| 15:23 | <samtayuk_> will it be any better in 8.10?
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| 15:23 | ahhh cool
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| 15:23 | <johnny> took sshfs becoming super popular before they finally relented
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| 15:24 | its' just not worth it in hardy.. involves too much nonsense
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| 15:24 | it's relatively unmaintainable in that setting
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| 15:24 | <samtayuk_> do you know where I could get any information about localapps in 8.10?
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| 15:24 | <johnny> prolly closer to the 8.10 release
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| 15:24 | <samtayuk_> yer end of oct
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| 15:25 | <johnny> yes
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| 15:26 | <johnny> standard ltsp documentation is being worked on
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| 15:26 | and i imagine it will include such things
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| 15:26 | <samtayuk_> where can I find the working copy, the ltsp website seem very out of date
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| 15:27 | <johnny> ask nubae
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| 15:27 | the docs won't help tho
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| 15:27 | you can't really use it in hardy.. so what's the need?
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| 15:27 | the bst docs are on the ubuntu site
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| 15:27 | nubae is collecting all the info and stripping ubuntu specifics
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| 15:28 | <_UsUrPeR_> johnny; ok, after muddling around with python for a bit, i am not seeing the place where it adds the other sessions
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| 15:28 | <johnny> it's right in the sessions function??
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| 15:28 | <_UsUrPeR_> that's where it adds new sessions
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| 15:28 | <johnny> get_sessions
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| 15:28 | <_UsUrPeR_> i want to know about the default ones
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| 15:28 | <johnny> those are the other sessions
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| 15:29 | * _UsUrPeR_ checks again | |
| 15:29 | <johnny> the default is controlled by your distro
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| 15:29 | XSESSION var
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| 15:29 | or whatever it is called in your distro
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| 15:30 | <samtayuk_> Well I was looking at doing in intrepid, now you said it would be easy. I'm still in the testing stages of my ltsp project so I can wait untill intrepid is out, is there any where I can find any doc on how to do it in intrepid
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| 15:31 | <johnny> not yet
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| 15:31 | atm you have to know the code
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| 15:31 | <samtayuk_> I want to run Firefox locally with flash for you tube and other video site as that would is one of my end users needs
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| 15:31 | <johnny> you can do that with the kiosk mode
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| 15:31 | in hardy
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| 15:31 | <_UsUrPeR_> johnny, thanks again
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| 15:31 | <johnny> it's a forced version of localapps
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| 15:31 | but you get no storage
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| 15:32 | it actually installs it in the chroot
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| 15:32 | in the image that you use
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| 15:32 | <samtayuk_> Ahhh ok I think I read something on ubuntu
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| 15:32 | <johnny> it's good for anonymous internet terminals
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| 15:33 | <samtayuk_> How easy is it in intrepid, I was reading something on opensuse and it seemed easy on opensuse.
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| 15:34 | <johnny> they use hacks we don't approve of
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| 15:34 | iirc
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| 15:34 | no other distro thinks it is fair to standardize it yet
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| 15:34 | as it is still in devel
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| 15:34 | if you just need firefox use kiosk mode
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| 15:35 | firefox + flash thati s
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| 15:36 | <samtayuk_> we need more than firefox :( (I wish we didn't)
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| 15:37 | <johnny> unless you plan on helping .. you should prolly hold off a bit and come back in a week or two
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| 15:38 | i'm sure nubae wouldn't mind your help in the documenting tho
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| 15:38 | you could also read ltsp-developer posts.
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| 15:42 | <samtayuk_> Ahhhhh Cool, I'll have a little look there, Thanks for all your help! :D
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