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


Channel log from 17 December 2015   (all times are UTC)

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11:37
<xdrazen>
good morning
11:38
hi there, cyberorg. the ltsp pnp did not worked with gpxe booting
11:39
<cyberorg>
xdrazen, for low specification client try tinycore
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11:42
<xdrazen>
i am over the tinycore now. just one last try with this ltsp with chroot in 12.04
11:42
**ubuntu. About the tinycore client, i would like to ask, what search or pages a "MUST READ"
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11:43
<cyberorg>
for what?
11:49
<xdrazen>
i mean, for the tiny core
11:49
**thin client tiny core
11:52
<cyberorg>
just https://sourceforge.net/p/kiwi-ltsp/code/HEAD/tree/trunk/tinycore-thinclient/
11:53
edit the setup script to adapt as per your server configuration
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11:54
<xdrazen>
thanks a lot. i am over it.
11:55
anyways, even if it works with any linux distro
11:55
may i had better or should use the opensuse edu life?
11:56
<cyberorg>
for now just use the ltsp server you have ready for testing
11:57
commands to restart nfs server would be different than suse so change the script accordingly
11:58
<xdrazen>
one last question. About the network hardware requirements, 10mbit thin clients 100mbit switch and gigabit in the server, could be enough?
12:01
<cyberorg>
depends on your load, you wont know till you try it out
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12:03
<xdrazen>
that is true. Well, thanks a lot, will be back when i would install this. CYA
12:09
<work_alkisg>
ltsp-pnp clients are lighter than tinycore clients, with a proper lts.conf
12:09
(assuming this is tinycorelinux and not something opensuse-specific which I don't know about :))
12:09
<xdrazen>
hi alkisg
12:10
well, i got a really big issue with the pnp...
12:10* work_alkisg has booted clients with 48 MB RAM. Of course they're not usable later on, since firefox needs 100 MB and more
12:10work_alkisg is now known as alkisg
12:10
<alkisg>
What issue?
12:10
<xdrazen>
a issue with the boot
12:11
the gpxe cannot boot anything. I tried again with the core i3, and it booted
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12:12
<xdrazen>
(native boot) but, when i tried the same with the gpxe
12:13
btw, even worked with a VM 70 mb RAM
12:13
and i was not sure about, when i was installing, eventually i got a promt asking for a yes or no response, i puted yes
12:14
another issue is that the VM worked, but even the i3 could not login
12:15
kinda "gnome is not installed"
12:16
it does not really matters. What matter is that i already can boot with gpxe when i got the edubuntu 14.04, even having a kernel panic, at least i could see the negotiation..
12:18
<alkisg>
if gpxe doesn't work, it's not a problem with the ltsp version
12:18
Also, you should be using ipxe, not gpxe
12:18
If the card is onboard, you should configure it in the bios instead
12:18
finally, there's the possibility to put the kernel+initrd locally in a small disk on the client
12:19
About the login issue, I'm sure it can be solved in 1 minute, if you still have that installation and haven't installed 5 other OSes since then :)
12:20
<xdrazen>
no, i guess that i should ratter make all those trys in VM. May i can do it? make the server in a VM. I readed that yes, but not sure
12:22
the cards are not on board, they all are expansion card. Even trying to boot the pcs from network, which is available in the bios, they really do not "hear" anything
12:23
<alkisg>
The bios doesn't know about pci cards
12:23
It only knows about ethernet cards on the motherboard, which you don't have
12:23
<xdrazen>
that is kinda strange, about the gpxe and ltsp, with this pnp try, i got no any result, but with the edubuntu one, i got at less a negotiation
12:23
<alkisg>
What is the link where you downloaded gpxe?
12:24
Maybe you have some 7 year old version... :)
12:25
<xdrazen>
i got it from rom-o-matic
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12:25
<xdrazen>
i really was looking for you those days... really thanks
12:25
<alkisg>
OK, so you have the wrong gpxe
12:26
Download from boot.ipxe.org
12:26
!ipxe
12:26
<ltsp`>
ipxe: iPXE is the successor to the etherboot/gPXE project, and can be used to netboot clients that don't have a NIC ROM with a PXE stack. To add it to grub, see !grub-ipxe. To add it to the Windows boot loader, see !win32-loader. To download floppy, CD or USB images, visit http://ipxe.org or install the ipxe package.
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12:30
<xdrazen>
well, i would like to ask again... is possible install the server in a VM right?
12:34
<alkisg>
It appears that you need to have the dhcp server outside the vm
12:34
You can ask in #vbox if you want details
12:35
<xdrazen>
thanks. well, i will try to use the ipxe for boot now
12:35
but, i can remember that i have donwloaded it, but i only got a prompt when booting with that
12:39
<alkisg>
which network card is that?
12:40
In about 10.000 clients here, I've only seen an issue with a variant of "compex" cards
12:40
<xdrazen>
i am not on the place where tha p pro are
12:40
the port is kinda strange.
12:42
alkisg, about the chroot image, is possible make a "more little" image?
12:42
<alkisg>
I've booted clients with 48 mb ram from 10 Gb image
12:42
Why do you want to make a "little" image?
12:44
<xdrazen>
i really do not understand the algorithm
12:44
as far as the documentation that i remember says something kinda
12:44
the server has the dhcp
12:44
<alkisg>
Can you boot a client with 48 mb ram from a hard disk with 100 gb?
12:44
It's the same when booting from the network
12:45
The size of the disk doesn't matter, it only matters how many things the client loads at boot
12:45
And in ltsp you control that with RM_SYSTEM_SERVICES
12:45
<xdrazen>
sorry then, i mean i got missunderstand
12:45
kinda it said
12:45
that when boot via TFTP loads the image
12:46
and it is copied to ram
12:46
kinda those 96-128 ram pcs and try to fit 512mb... i got confused with that
12:47
<alkisg>
The image is served with NBD (network block device) on a "sector - by - sector" basis, only the parts that are needed.
12:47
It's the same as if booted from local disk; you don't load 100 gb disk to rm
12:47
ram
12:51
<xdrazen>
**btw i tried to boot the VM client, the minumum virtual ram was 70 mb, with less ram i got a error like when i tried to boot the s3 virge in 14.04
13:03
alkisg, about the "boot with minimum ram"... what is really the tasks that the clients must run
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13:04
<xdrazen>
as far as i know, it said that must run X sound daemon and anything else more
13:04
kinda 5"services"
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13:10
<alkisg>
xdrazen: there is one thing you are missing there
13:10
You can boot a client with e.g. 48 mb ram
13:10
Then you login to the thin client, and the session starts on the server
13:10
Then you run firefox on the server and visit a web page
13:11
Firefox uses xorg pixmaps to store graphics *locally on the client ram*
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13:11
<alkisg>
And it needs e.g. 100-500 mb
13:11
So it's impossible to use firefox on thin clients with little ram, with any distribution
13:11
It's the way xorg works
13:12
You'll be able to surf in some pages, and it will use swap and it will be extremely slow (like, hanged for minutes) in other pages
13:12
So, for surfing, the clients need at least 128-160 mb ram
13:12
Libreoffice also uses local xorg pixmaps
13:13
Other applications like calculator, gedit, tuxpaint etc don't use them much
13:13
So, you can use thin clients with little ram for many applications, but not with firefox and libreoffice, you need more ram for them
13:13* alkisg waves, later...
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13:14
<work_alkisg>
(btw there is a way for firefox, libreoffice etc not to use local xorg pixmaps, but they are very slow then)
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22:35
<huafu>
`morning!
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