IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 25 October 2010   (all times are UTC)

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06:50
<Ghid0rah>
Hello everyone
06:52
Does anyone use LTSP with a proxy that does NTLM authentication?
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08:13
<Hyperbyte>
Does it matter for LTSP performance what kind of graphical card (GPU) the server has?
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08:20
<Appiah>
Hyperbyte: no
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08:25
<Hyperbyte>
Didn't think so
08:25
LTSP's performance with java applications (firefox, to name one) on my setup is horrible.
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08:27
<Hyperbyte>
Thinking about replacing the onboard network card (Realtek) with an Intel Pro one
08:27
Maybe someone has some other suggestions I could try first?
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08:31
<Appiah>
I feel that way about my desktop
08:31
java applications being slow :D
08:32
well java and/or flash with browser is always ... bad?
08:32
are you running 64bit or 32bit on the server?
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08:53
<Hyperbyte>
64bit on server, 32bit on client
08:54
But I'm not talking about the browser plugins java/flash
08:54
I mean the whole Firefox application
08:54
For example, it stutters a little while scrolling
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08:54
<Hyperbyte>
Even basic webpages
08:56
<buffalosolja>
is the ltsp-build-client.conf file supposed to be in the etc/ltsp by default in the Atlernative LTSP installation for Ubuntu 10.04?
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09:07
<alkisg>
!directx
09:07
<ltspbot`>
alkisg: "directx" :: If you want to turn off encryption to the workstation, which will speed up performance at the cost of security, you need to specify LDM_DIRECTX=True in your lts.conf file. Type !docs in IRC to get a link to the current documentation
09:07
<alkisg>
^^ Hyperbyte
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09:08
<alkisg>
buffalosolja: you mean after the installation? No such file should exist by default, but you want to create one, that's the right place.
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09:36
<Ghid0rah>
Does anyone use LTSP with a proxy that does NTLM authentication?
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10:24
<mgariepy>
morning everyone
10:26
<highvoltage>
morning mgariepy
10:28
<buffalosolja>
morning
10:32
<highvoltage>
heya buffalosolja
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12:30
<eXcAliBuR>
what is the latest version of fedora that works nicely with ltsp 5?
12:32
<vagrantc>
development on fedora was stalled for a while ... but someone new picked it up. not sure if they frequent irc or not
12:32
<eXcAliBuR>
okies
12:32
which would u run ltsp on?
12:32
fedora or ubuntu
12:32
?
12:33
<vagrantc>
there are some list posts to ltsp-discuss@lists.sourceforge.net
12:33
<eXcAliBuR>
it's for classroom enviroment
12:33
<vagrantc>
none of the above, i'm a debian loyalist :)
12:33
though if i were forced against my will to choose between fedora and ubuntu, i'd pick ubuntu :)
12:34
<Gadi>
heh, debian loyalist
12:34
<vagrantc>
it's had active development, and a lot of users
12:35
<eXcAliBuR>
hmmm debian often gets overlooked
12:35
does it have a perty look and feel to it?
12:35
<vagrantc>
it's not as glossy as ubuntu, for sure.
12:36
most of the software is nearly identical, though
12:37
some significant differences in LTSP implementation
12:37
defaulting to NFS (debian) and NBD (ubuntu)
12:37
<eXcAliBuR>
oh this is worse then shopping
12:38
how will i choose
12:38
:{
12:39
<vagrantc>
pick what you're most comfortable with, try it out... if you don't like it, try something else
12:39
<eXcAliBuR>
i'm comfy wit ubuntu, but only for servers ... command line stuff
12:39
i don't like it's gui
12:39
<vagrantc>
what do you want in a gui?
12:40
i'm really happy with Debian using LXDE for a GUI.
12:40
LXDE is nice and lightweight, yet pretty featureful ... perfect for a multi-user LTSP server.
12:42
<eXcAliBuR>
does debian have nice effects when u move windows and stuff?
12:45
<vagrantc>
that depends on your window manager and client hardware
12:46
debian has hundreds of window managers to choose from
12:46
default install typically comes with gnome, just like ubuntu
12:47
<eXcAliBuR>
ummm there is cd and dvd
12:47
but it doesn't tell me the difference
12:47
what do i download
12:49
<vagrantc>
depends on your internet connection ... if you will be installing with a decent interenet connection, i'd recommend going with the CD or the netinst CD ... if you want to install without network access, then probably the DVD
12:49
because then it will download the current packages off the network ... rather than get older packages off the DVD
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13:02* alkisg wonders if we'll be able to use BTRFS snapshots to serve LTSP clients and get rid of both NFS + NBD :)
13:02
<vagrantc>
alkisg: over the network?
13:02
<alkisg>
Yup
13:02
<vagrantc>
crazy.
13:03
it seems like btrfs aims to do *everything*
13:03
<alkisg>
There's a separate descenant of btrfs for over the network file systems, but I'm not talking about that
13:03
<Ghid0rah>
what advantages does it offer over the latter?
13:04
<alkisg>
I hope that the admin will be able to change files in the chroot and the clients would pick them up on the next reboot, when they get the new snapshot...
13:05
...and possibly fat clients could use the whole server /
13:05
<Ghid0rah>
oh neat
13:05* vagrantc *hates* the idea of exporting /
13:05
<eXcAliBuR>
i want to export myself somewhere warm
13:06
<vagrantc>
too many potential: "*oops* that shouldn't have gone over the wire!"
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13:06
<alkisg>
Teachers here wouldn't give a damn about security if they could just install stuff with synaptic on the server, and have them on their fat clients on the next reboot
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13:06
<Ghid0rah>
you allow teachers to install stuff?
13:07
<alkisg>
teachers == admins here, we don't have any technicians in schools
13:07
They alone install their labs
13:07
<Ghid0rah>
oh interesting
13:07
are you state side?
13:07
<alkisg>
A little eastern... about half a globe :)
13:07
Greece
13:08
<Ghid0rah>
Do you filter student access?
13:08
internet access that is
13:08
<vagrantc>
people don't give a damn until suddenly a clever student gains root on the servers and repeatedly changes their grades...
13:08
<alkisg>
Some of the teachers do, with squid
13:08
The grades aren't on the ltsp servers, of course :)
13:08
<Ghid0rah>
so the teachers do everything
13:08
<alkisg>
Yup
13:08
<Ghid0rah>
wow
13:09
<vagrantc>
alkisg: and they don't access them via the servers?
13:09
<alkisg>
No, they use some filthy windows-only software which doesn't even work
13:09
<Ghid0rah>
what softwareis that
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13:10
<alkisg>
So we still have to use paper for grades, the electronic system is just a helper
13:10
<Ghid0rah>
so advanced with teachers
13:10
<alkisg>
It's a greek-only software called e-school, noone likes that
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13:12
<tastle73>
hi, I have a 10 workstation 10.04 ubuntu based ltsp 5 installation with a small gnome problem
13:12
<Ghid0rah>
what problem are you havingt?
13:12
<tastle73>
hi, I am trying to set the screensaver timeout
13:12
I am using gconf-editor and setting mandatory with seemingly no effect
13:14
<Ghid0rah>
hrmm
13:14
I used this to shut off the screen saver
13:14
gconftool-2 --type boolean -s /apps/gnome_settings_daemon/screensaver/start_screensaver false
13:18
<tastle73>
thank you. I just applied that, hopefully it works!
13:18* alkisg thinks that's for the current user only
13:21
<tastle73>
doesn't see a global variable for that either
13:21
<alkisg>
You can put it as a mandatory setting from gconf-editor, though
13:22
<vagrantc>
apparently mandatory settings require a fairly recent version of gcon-2 ?
13:23
<tastle73>
I don't have a subsetting of gnome-_settings_daemon of screensaver
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13:24
<alkisg>
vagrantc: no, they work fine here
13:25
<vagrantc>
alkisg: on lucid, or earlier versions?
13:25* alkisg thinks the settings are on /apps/gnome-screensaver, though
13:26* vagrantc counts lucid as "fairly recent"
13:26
<alkisg>
vagrantc: I think I first tried the mandatory in 8.04, but gconf-editor didn't have policykit integration until lucid. I think it was running in karmic with "sudo gconf-editor" for mandatory settings, though
13:26
<vagrantc>
unless ubuntu had it patched in for a long time...
13:27
i just ended up using non-mandatory defaults for maximum backportability
13:27
<alkisg>
But /etc/gconf/gconf.xml* were working from the first time I tried them, I think in 8.04...
13:28
tastle73: so try setting mandatory settings from gnome-editor for this key: /apps/gnome-screensaver/idle_delay
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13:28
<alkisg>
(users need to logoff to get the mandatory settings)
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13:32
<tastle73>
anybody ever upgraded a live server from Karmic to Lucid?
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13:58
<pmatulis>
tastle73: yes, did that last week
14:01
<buffalosolja>
hello everyone I need help located the tftp file in Ubuntu 10.04 I am trying to get my fat client working and it is still seeing the old amd64 dir
14:01
any suggestions
14:01
I edited the dhcpd file to say fat64
14:02
<alkisg>
!tftp
14:02
<ltspbot`>
alkisg: Error: "tftp" is not a valid command.
14:02
<alkisg>
!https://help.ubuntu.com/community/UbuntuLTSP/Troubleshooting/TFTP
14:02
<ltspbot`>
alkisg: Error: "https://help.ubuntu.com/community/UbuntuLTSP/Troubleshooting/TFTP" is not a valid command.
14:02
<alkisg>
OK, without the !, stop shouting :)
14:03
<pmatulis>
bzzzt!
14:03
<buffalosolja>
sorry thanks bot
14:03
just doing alot of multi-tasking on other projects and keep losing track of each place
14:03
thanks
14:23
<eXcAliBuR>
anyone here like KDE for their gui?
14:24
vagrantc: LXDE is a nice one :}
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15:19
<robehend1>
hey all. I'm getting all kinds of "General Input/Output" errors with OpenOffice running on Ubuntu 10.04 ltsp. Any ideas?
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15:24
<robehend1>
Also, does anyone know how to make a "Logout" button in the menus? I dont want to use the logout panel applet, as it tends not to stay in the same place across different monitors, I've found. Figured if I could add it to the menu, it'd be golden.
15:24
<alkisg>
Check your network? Disable nbd_proxy?
15:24
For a logout menu, one command is "gnome-session-save --logout"
15:25
<robehend1>
alkisg: Where am I killing this nbd_proxY/
15:25
<alkisg>
https://bugs.launchpad.net/ltsp/+bug/589034
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15:27
<robehend1>
alkisg: Well, that gnome-save-session sure works well..any way to have it prompt the user, just to make sure?
15:27
<alkisg>
man gnome-session-save :)
15:27
(--logout-dialog)
15:29
<robehend1>
alkisg: Thankee. I'd man it, but I'm running through my phone on an vnc'd connection. Difficult enough haha
15:37
alkisg: How do I apply the patch in that bug? I can see the code, just not exactly sure what to do with it
15:37
<alkisg>
OK let me post some instructions for Lucid in the bug report...
15:38
<robehend1>
alkisg: Thanks!
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15:47
<alkisg>
robehend1: what does this give you? grep BOOTPROMPT /etc/ltsp/ltsp-update-image.conf
15:53
<robehend1>
alkisg: let me take a look
15:53
<alkisg>
Nothing?
15:53
<robehend1>
alkisg: Running it now, had to step away for a minute, student
15:53
alkisg: And yes, nothing
15:56
<alkisg>
robehend1: ok, posted to the bug report.
15:56
<robehend1>
alkisg: I see that, thanks again. Hopefully this fixes my open office problem. Think it'll help speed up logins as well?
15:57
<alkisg>
I don't know about speed, it depends on a lot of things. It did make a difference on my ancient clients though.
15:58
<robehend1>
alkisg: How ancient? I'm on p4's with 512 ram.
15:59
<alkisg>
On some labs we have celerons @400MHz / 64MB RAM :)
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16:06
<robehend1>
alkisg: Wow, that's enough to load the ramdisk? I'm also running local firefox for the flash, so I need a bit of overhead to them
16:06
<alkisg>
Some tweaking was needed, Lucid doesn't work out of the box with 64 RAM, in needs about 80.
16:06
But after the tweaking everything's fine and running fast :)
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16:09
<robehend1>
alkisg: Local apps at all?
16:09
<alkisg>
Heh, no way!
16:10
We're using plain thin clients with < 500 RAM and plain fat clients with > 500.
16:10
<robehend1>
alkisg: Nice. My kids require flash, sadly, so I have to give them local firefox. By god if they couldn't play Monkey Jump..
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16:11
<robehend1>
alkisg: Well, since you seem to be a fount of knowledge, here's one I googled a bit but didnt find an answer to: Can I change the Ubuntu splash screen at boot? Not turn it off, but change it?
16:11
<alkisg>
No idea, but that isn't LTSP related, you should ask in #ubuntu about it
16:12
<robehend1>
alkisg: Ah, that makes sense. Figured it'd be nice, since my students are flipping out that it's "Not Windows!"
16:15
alkisg: In your how-to, it states to edit /var/lib/tftpboot/ltsp/i386/pxelinux.cfg Do you mean pxelinux.cfg/default? Since pxelinux.cfg is a dir?
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16:15
<alkisg>
Yup, sorry
16:15
<robehend1>
alkisg: yay, I'm learning something! Woo!
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16:41
<zzaza>
hi all
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20:37
<Gibby>
i have been googling for about an hour, is there a way to build multiple "PXE" boot options with ltsp-build-client? essentially so a user could chose which image they want or it times out to a default?
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