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


Channel log from 3 November 2015   (all times are UTC)

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07:55
<Bala2412>
Hi
07:56
Any one help me out to fixing the ltsp issue
07:56
<elias_a>
!ask
07:56
<ltsp`>
ask: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least a full hour after asking a question, as not everybody constantly monitors the channel.
07:58
<Bala2412>
my client pc's got hanged while login
07:59
<alkisg>
Hello
07:59
<Bala2412>
using ubuntu linux
07:59
hai
07:59
<alkisg>
Is it a new installation?
07:59
<Bala2412>
yes
07:59
<alkisg>
Do all clients hang, or just one/a few?
08:00
<Bala2412>
all of them
08:00
<alkisg>
Which Ubuntu version?
08:00
14.04?
08:00
Ubuntu? Lubuntu? etc
08:00
<Bala2412>
14.04.1
08:00
<alkisg>
Do you have the Greek schools PPA in your sources?
08:01
!greek-schools-ppa
08:01
<ltsp`>
greek-schools-ppa: https://launchpad.net/~ts.sch.gr/+archive/ppa/ supports LTS Ubuntu releases with newer LTSP versions, bug fixes etc
08:01
<Bala2412>
no
08:01
<alkisg>
Put it, LTSP in Ubuntu is quite broken without it
08:01
<elias_a>
Use it :)
08:01
<alkisg>
Put it both in the server and the chroot
08:01
add-apt-repository ppa:ts.sch.gr; apt-get update; apt-get dist-upgrade
08:01
In the server. Then in the chroot. Then ltsp-update-image.
08:02
<Bala2412>
am new to this could you please guide me to do this
08:02
<alkisg>
Is this your first ltsp installation?
08:02
<Bala2412>
yes
08:03
<alkisg>
Did you follow the ltsp-pnp guide?
08:03
!ltsp-pnp
08:03
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
08:04
<Bala2412>
no
08:04
<alkisg>
It's the easiest way to install LTSP, it takes less than 1 hour usually
08:05
I suggest that you start over by using that guide
08:05
It includes the steps with the greek school ppa
08:20
<Bala2412>
have followed those steps
08:20
but am not using DNS
08:22
<alkisg>
So you now have ltsp-pnp up and running?
08:24
All PCs are using DNS, otherwise they can't connect to the Internet
08:25
<Bala2412>
how can i check that the ltsp-pnp installled and running
08:25
<alkisg>
Did you have any issues at any of the steps?
08:25
If not, then just try to boot the clients
08:25
If you didn't follow the steps, then start with a clean installation and follow them
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08:27
<Bala2412>
no i didn't get any issues while installing
08:28
<alkisg>
Then boot the clients
08:39
cyberorg: I want to start a new project called configd that will work in parallel with lts.conf, ldminfod and eventually replace those completely, i.e. ltsp6 will depend on configd. Would you like me to keep you informed about it, so that it supports opensuse and so that you package it for that distribution?
08:49
<Bala2412>
yes pls
08:50
but i got this ltsp-pnp: unrecognized service
08:51
<alkisg>
What command did you run and you got that message?
08:55
Bala2412: you can write "alkisg" here if you want me to look at the messages that you write, you don't need to send me private messages all the time...
08:55
Writing a user name in IRC makes a sound in his PC
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08:58
<Bala2412>
service ltsp-pnp status
09:02
<alkisg>
Bala2412: where did you find that command in that wiki page?
09:03
<Bala2412>
no
09:04
<alkisg>
Then why did you run that command? That service doesn't exist, yes, you shouldn't run commands that you don't see in that wiki page.
09:05
<Bala2412>
you ask me to check the ltsp-pnp up and running that why am giving
09:06
<alkisg>
With "up and running" I meant if you followed the wiki page successfully and you have booted the clients and logged in there.
09:06
I was not referring to a system service called ltsp-pnp, there is not such service
09:06
<Bala2412>
client got hang
09:07
<alkisg>
Bala2412: I think you're not following the tutorial correctly. Do you want me to have a look via remote desktop (vnc)?
09:07
!vnc-edide
09:07
<ltsp`>
I do not know about 'vnc-edide', but I do know about these similar topics: 'vnc-dide'
09:07
<alkisg>
!vnc-dide
09:07
<ltsp`>
vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect srv1-dide.ioa.sch.gr - this is a reverse connection, it doesn't need port forwarding etc.
09:08
<Bala2412>
ok i'll give this command in server?
09:08
<alkisg>
Yes
09:10
Bala2412: you have isc-dhcp-server installed
09:10
The wiki page doesn't say to install that one
09:10
Bala2412: start over with a clean server installation, and follow that page, it's the easiest way to have ltsp running
09:11
Now you have followed different tutorials etc and you have an inconsistent system...
09:11
You also have two chroots, ltsp-pnp does not use chroot
09:12
Have you recently installed this server? Is it easy for you to start over, format it and only follow the ltsp-pnp page?
09:12
<Bala2412>
yes...can you please guide me on this
09:13
<alkisg>
OK, download and install this on your server: http://releases.ubuntu.com/14.04.3/ubuntu-14.04.3-desktop-i386.iso
09:13
After that, come here in IRC again, I'll help you follow the ltsp-pnp page if you need help
09:15
Now you have ubuntu gnome, isc-dhcp-server, two chroots etc, it will take some time to undo that changes you did. It's better if you start with a clean system.
09:16
<Bala2412>
here i have installed ubuntu 14.04.01 server edition 64 bit
09:16
<alkisg>
Server edition is not appropriate for ltsp
09:16
14.04.1 is older than 14.04.3
09:17
With ltsp-pnp it's better to use i386 so that you can boot any client
09:17
So, download the iso and install it to your server
09:19
<Bala2412>
if i installed this ...client hung issue will be solved?
09:19
<alkisg>
Most probably yes
09:21
<Bala2412>
ok i'll ping you after installing the os
09:21
<fnurl>
Hi alkisg
09:21
<alkisg>
Hello fnurl :)
09:21
<fnurl>
I can see you're busy, I was planning to catch up with you tomorrow if that's cool with you
09:21
just for a chat
09:22
<alkisg>
fnurl: sure, it's even better for me tomorrow :)
09:22
See you then!
09:22
<fnurl>
thanks for the mail, i'm very pleased :)
09:22
excellent, will shout then :)
09:24
<Bala2412>
i386 is 32 bit?
09:25
<alkisg>
Yes, use it, it's good :)
09:26
<Bala2412>
is this possible to extend the ram in future? now 32 GB DDR4 is installed
09:26
<alkisg>
Up to 64 gb, yes
09:28
<Bala2412>
ok fine thanks i'll ping you once i finished....can i have your e-mail id ?
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20:26
<cVsup_>
I have installed ltsp on debian 8 with gnome. Clients boot faster, but select icons open applications is slow.
20:26
somebody can help
20:26
?
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20:31
<vagrantc>
cVsup: thin or fat clients?
20:31
cVsup: gnome-classic? gnome?
20:32
<cVsup>
thin
20:32
gnome
20:32* vagrantc is surprised it works at all
20:33
<cVsup>
my ltsp server run on hyper-v
20:33
<vagrantc>
cVsup: what are the hardware specs of your server and clients?
20:34
!ldm_directx
20:34
<ltsp`>
Error: "ldm_directx" is not a valid command.
20:34
<vagrantc>
!directx
20:34
<ltsp`>
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
20:34
<vagrantc>
cVsup: LDM_DIRECTX might be an option to speed things up
20:34
!fatclient
20:34
<ltsp`>
I do not know about 'fatclient', but I do know about these similar topics: 'fatclients', 'fatclient-printers'
20:34
<vagrantc>
!fatclients | echo cVsup
20:34
<ltsp`>
cVsup fatclients: You may find some info about the Ubuntu/LTSP implementation of fat clients at https://help.ubuntu.com/community/UbuntuLTSP/FatClients
20:34
<cVsup>
vagrantc: i have to go now, tomorrow i am back.
20:35
<vagrantc>
fatclients would also be something to look into, depending on your hardware
20:35
<cVsup>
thanks
20:35
<vagrantc>
good luck
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21:17
<bennabiy>
vagrantc: Hi!
21:17
question for you
21:18
has Jessie changed the -V option for apt-get ( it is still in the man pages, but when I run it, I get unknown option )
21:19
<vagrantc>
bennabiy: never used it
21:20
<bennabiy>
vagrantc: thank you
21:23
<vagrantc>
bennabiy: what was/is it supposed to impact?
21:23
<bennabiy>
It is supposed to turn on Verbose version numbers
21:23
<vagrantc>
verbose where?
21:23
<bennabiy>
in apt-get
21:23
<vagrantc>
where in apt-get?
21:24
<bennabiy>
update
21:24
upgrade
21:24
etc
21:24
-V Show verbose version numbers
21:24
<vagrantc>
where in the user-interface would it display the version number where it doesn't by default?
21:24
because i see full version numbers by default in lots of places...
21:24
<bennabiy>
hrm, let me see if I can pull up an example on a diff machine
21:25
<vagrantc>
also, when i run it, i don't get "unknown option"
21:25
<bennabiy>
-V, --verbose-versions
21:25
Show full versions for upgraded and installed packages. Configuration Item: APT::Get::Show-Versions.
21:26
E: Command line option 'V' [from -V] is not known.
21:26
<vagrantc>
yes, i read the manpage.
21:26
bennabiy: probably a typo somewhere else on the commandline.
21:26
that's a nice feature!
21:26
<bennabiy>
from this command? sudo apt-get -V update ?
21:27
ah! I realized what was happening
21:27
<vagrantc>
apt-get update doesn't deal with package versions...
21:30
<bennabiy>
that is right :)
21:30
I knew it had to be something like that
21:38* vagrantc considers putting that in /etc/apt/apt.conf.d/
21:42
<bennabiy>
it is useful :)
21:44
vagrantc: Have you tried HPN ssh to see if it makes LDM_DIRECTX not needed?
21:44
I am just wondering about the SSH bottleneck in performance
21:44
It would be nice to have a little more secure connections, but I cannot afford the performance hit.
21:45
<vagrantc>
HPN ?
21:45work_alkisg is now known as alkisg
21:45
<bennabiy>
http://www.psc.edu/index.php/hpn-ssh
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21:47
<alkisg>
Yeah it would be very nice if that was packaged for debian/ubuntu and could function as a drop-in replacement for openssh-server
21:47
The null cipher is really worth it :)
21:49
<vagrantc>
a null cipher would make LDM_DIRECTX obsolete
21:49
<alkisg>
And sshfs way faster
21:49
<vagrantc>
actually, it would be slightly less secure, in that at least the username/password doesn't go over the wire unencrypted
21:49
<alkisg>
The null cipher goes in effect after authentication
21:50
<vagrantc>
oh
21:50
only applies to openssh-6.3 ?
21:51
<alkisg>
I don't think so, I think that's just their latest set of patches
21:51
It's been years since they've been maintaining patches for all "new" ssh versions since then
21:53
OpenSSH-4.7p1-hpn13 v3 and onwards
21:54
https://launchpad.net/~w-rouesnel/+archive/ubuntu/openssh-hpn
21:54
<vagrantc>
ah, someone has packaged it
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22:00
<bennabiy>
Someone else took it on, let me find the link.
22:00
but it is not in launchpad.
22:01
I guess someone could pull source and create a repo in launchpad for it
22:03
http://sourceforge.net/projects/hpnssh/ and http://github.com/rapier1/openssh-portable
22:03
<alkisg>
portable? for windows?
22:03
<bennabiy>
no, portable as in not bsd
22:04
anyways, I will be back tomorrow some time.
22:04* bennabiy waves
22:04
<alkisg>
bye!
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