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


Channel log from 11 February 2014   (all times are UTC)

00:07
<vagrantc>
not in less than 3 minutes...
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00:19
<major_ghz>
hello
00:19
how can i connect a client to my ltsp server under internet ?
00:25
<vagrantc>
what exactly do you mean?
00:27
you'll typically need to set up firewalling and NX, VNC, RDP or some other protocol to get access to your server, if you want a graphical interface
00:27
over the internet
00:27
for a text interface, ssh works pretty well
00:27
graphical is possible with ssh oveer the internet, but has some serious latency issues
00:28
booting a thin client over the internet, while possible, has even more serious latency issues
00:28
not to mention security
00:29
ltsp is mainly about network booted clients, but only really on the local network. but there's nothing stopping you from using other available technologies to connect to your LTSP- it's just a computer like any other.
00:29
connect to your LTSP server, that is
00:37
<major_ghz>
re
00:39
connect simply a thin client on my ltsp server on internet, yes
00:41
vagrantc, ?
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00:47
<vagrantc>
major_ghz: you'd be better off running a local OS and using a technology appropriate to connecting over the internet
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00:47
<vagrantc>
major_ghz: you mean give internet access to the thin client?
00:48
major_ghz: both client and server on local lan?
00:48
<major_ghz>
i have an local os, but i would like test an ltsp server over internet
00:50
00:51
<vagrantc>
major_ghz: if you just want to test the ltsp server remotely, i'd use libvirt and virt-manager and use a virtual thin client running on the server...
00:56
<major_ghz>
over internet
00:56
i would like test over internet
00:58
<vagrantc>
i don't know what you mean by test over internet
00:58
LTSP doesn't run over the internet, so i don't know what you would test
00:58
<major_ghz>
the same as an local network with thin client but over internet
00:59
ok, i can't user ltsp over internet
00:59
<vagrantc>
i mean, you technically could try to do all that over the internet, but it'd be very slow
00:59
*very* slow
01:00
<major_ghz>
an os can use in the mode client server like it but can used over internet ?
01:01
<vagrantc>
technically possible, but probably a bad idea.
01:01
but i'm not sure i really understand what you're asking...
01:01
<major_ghz>
too much slowly ?
01:01
<vagrantc>
very much slowly. wow.
01:02
why do you want to test over the internet?
01:03
what are you trying to test?
01:03
<major_ghz>
my english will be bad when need sleeping
01:03
<vagrantc>
no worries :)
01:04
<major_ghz>
juste want some thin client and only one server administrate
01:04
<vagrantc>
english is the only language i know at all well, and my biggest problem is having the courage to try :)
01:05
<major_ghz>
but the client are not in the local
01:05
<vagrantc>
you'd be better off connecting to your server with some protocol designed for use on the internet
01:05
<major_ghz>
not possible ?
01:05
<vagrantc>
NX or VNC
01:06
maybe others
01:06
but that's not really LTSP
01:06
<major_ghz>
you can say more about nx and vnc ?
01:06
<vagrantc>
major_ghz: not useable, but possible :)
01:06
i don't know much about them, but it sounds like what you need :)
01:07
<major_ghz>
not useable ? ok not os or system can do that i like
01:07
thank for your time
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03:39* alkisg waves to vagrantc
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03:52
<gdi2k_>
alkisg, Sorry to bother you again! I would like to explore fixing LTSP clients to specific servers by default (using their MAC addresses) - the user would manually select the other server on the PXE menu in the event of a failure. This can be done with dnsmasq's PXE menus, but during boot, the client does a second DHCP request which determines the all important nbd root server, and either of the two dnsmasq servers may respond with their respective IP, so it
03:52
may or may not end up on the server originally selected in the PXE menu. Is that correct?
03:53
<alkisg>
No, it's not correct because you're using ipappend 3
03:53
So the client doesn't do a second dhcp request, it reuses the first one
03:53
<gdi2k_>
ah ok nice! :)
03:54
thanks for all your help - are you anywhere near Athens? I may be going to Porto Rafti June, would love to buy you a beer or 3 for all your troubles
03:55
<alkisg>
Cool! I'm 6 hours away from athens, but it's possible that I would be there at that time for vacations, so feel free to PM me then if you want
03:55
(ioannina is the name of my city)
03:55
<gdi2k_>
cool, sounds good, will do!
04:17
alkisg, on the topic of ipappend 3, the config gets overwritten when I update the chroot - any way to make it more permanent?
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05:05* vagrantc waves to alkisg's ghost
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07:42
<demoTN>
Hello
07:44
<alkisg>
Hi
07:46
demoTN: speak here, don't use personal messages
07:46
<demoTN>
sorry
07:48
I've got a lab with 25 fatclient ubuntu and a server epoptes (teacher pc)
07:49
but when I try command "epoptes-client -c 192.168.20.160" from ltsp-chroot on ltsp-server
07:49
the error is "epoptes-client ERROR: Failed to fetch certificate from 192.168.20.160:789"
07:49
<alkisg>
The ltsp server is also the epoptes server?
07:50
Tell me the ip of the ltsp server, and the ip of the epoptes server
07:50
<demoTN>
no, epoptes server is the teacher's pc
07:50
<alkisg>
Is the teacher pc an ltsp client?
07:50
<demoTN>
ltsp-server 192.168.20.10, epoptes-server 192.168.20.160
07:50
no, teacher's pc is the epoptes server
07:52
<alkisg>
OK. In the teacher's PC, what is the output of "sudo netstat -tanp|grep 789" ?
07:53
<demoTN>
on ltsp-chroot "tcp 0 0 0.0.0.0:789 0.0.0.0:* LISTEN 1960/python"
07:53
<alkisg>
Not on the chroot, epoptes shouldn't be installed in the chroot
07:54
epoptes-client to the chroot, and epoptes to the teacher pc
07:54
and epoptes-client to the ltsp server
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08:05
<demoTN>
on epoptes-server tcp 0 0 0.0.0.0:789 0.0.0.0:* LISTEN 1119/python tcp 0 0 192.168.20.160:789 192.168.20.126:49725 ESTABLISHED 1119/python tcp 0 0 192.168.20.160:789 192.168.20.126:49730 ESTABLISHED 1119/python tcp 0 0 192.168.20.160:789 192.168.20.125:44264 TIME_WAIT - tcp 0 0 192.168.20.160:
08:08
<alkisg>
demoTN: can you use the epoptes remote support feature to share your screen with me so that we resolve this faster?
08:09
help > remote support > computer: alkisg.dyndns.org
08:09
Or, x11vnc -connect alkisg.dyndns.org
08:11
<demoTN>
do you need a terminal?
08:11
<alkisg>
Yup :)
08:12
<demoTN>
ok, thanks
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08:15
<alkisg>
demoTN: ok the epoptes server, let's see client side
08:16
From the ltsp server, run x11vnc -connect alkisg.dyndns.org
08:16
<demoTN>
ok, can I start one?
08:17
done
08:17
<alkisg>
I didn't get a connection... did you use a thin client to run that?
08:17
Try x11vnc -noshm -connect alkisg.dyndns.org
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08:19
<demoTN>
No, I ran it from a terminal connection to ltsp-server
08:20
<alkisg>
If you're using e.g. ssh, then you don't have access to the graphics display (X)
08:20
demoTN: never mind, go to the teacher pc
08:21
<demoTN>
sure, sorry...
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08:31
<demoTN>
thank, I understand
08:31
<alkisg>
demoTN: there was something wrong in the epoptes installation in the teacher pc
08:32
I don't know what, I didn't look, but reinstalling solved it
08:32
I'm closing the vnc windows...
08:32
<demoTN>
ok, It's the first time a see this error
08:33
on other labs it works perfectly
08:33
<alkisg>
(I closed vnc)
08:35
<demoTN>
later I'll try a ltsp-update-image
08:36
thanks a lot, alkisg!
08:36
<alkisg>
You're welcome
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13:20
<dave_42>
hello
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16:16
<Hyperbyte>
Yo alkisg!
16:17
<alkisg>
Heya
16:17
<Hyperbyte>
How are you today?
16:18
<alkisg>
As usual... trying in vain to find some free time to work on ltsp :)
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16:23
<yisraeldov>
Hello , I'm trying to get Guest Login from the client to log into a guest session on the server
16:26
<Hyperbyte>
yisraeldov, we're all excited to hear this.
16:26
<yisraeldov>
sorry...
16:27
does anyone have any experience with this ? I set up the "LDM_GUESTLOGIN = TRUE" but what username and password do I use to have it connect to the guest session.
16:34
<alkisg>
Server side: sudo adduser guest01
16:34
lts.conf: LDM_USERNAME=guest01
16:34
LDM_PASSWORD=pass01
16:34
LDM_GUESTLOGIN=True
16:35
...i.e. it's a normal account, it's not generated dynamically
16:35
<yisraeldov>
right ...
16:36
is there a way to have a dynamically generated account ? or at least one that is restricted and wiped clean, like the ubuntu / lightdm guest sessions
16:42
<alkisg>
http://sourceforge.net/mailarchive/forum.php?thread_name=1310986533.1915.3.camel@alkis&forum_name=ltsp-discuss
16:42
That's the "wipe clean" part
16:45
<yisraeldov>
Excellent !
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17:50
<major_ghz>
bye
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