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


Channel log from 4 February 2015   (all times are UTC)

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06:56
<alkisg>
stgraber, ogra_: in 12.04, update-manager uninstalls ltsp, breaking ltsp-pnp, I've filed an SRU for that and it's in the SRU review queue, is there some way to speed things up?
06:58
I see it's in "low priority" there, and I see other SRUs that are there for over a month, but I believe it's a bit more urgent than that...
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07:11
<ame>
I have mounted /proc to /opt/ltsp/amd64/proc and now java is working on client computer locally but if i connect any device other than pendrive my clients computer is not detecting that device....May i know what do for that??
07:12
I am sure that we need to mount something with chroot..I have tried these command for mounting but still my client computer is not detecting" mount /dev -o bind /opt/ltsp/amd64/dev"
07:13
<alkisg>
ame: I think you should find some technician to help you, you're testing things that make no sense...
07:13
It shouldn't need more that 1-2 hours to setup what you want, yet you're trying for 1-2 months now...
07:14
<ame>
alkisg:I am just learning alone without expertise like...Expecting expert like you to help
07:14
<alkisg>
But the difference from what you know to what you want to do is too big
07:15
Know when to ask for professional help... this is one such case
07:15
<ame>
alkisg:Am very new to ltsp and also linux...
07:15
<alkisg>
Have someone help you setup what you want, and then take your time learning things
07:15
Yes, I understand, but trying random things won't help you learn either
07:16
<ame>
alkisg:The only problem i am facing that no device is detecting on client computer other than mass storage
07:17
<alkisg>
Yes thin clients can only use mass storage usb devices
07:17
You'd need fat clients for that
07:17
But bind-mounting things in the chroot won't help...
07:17
<ame>
alkisg:For that i need to configure ltsp-pnp??
07:17
<alkisg>
The problem is that you don't have the experience to analyze your situation
07:17
<ame>
alkisg:yes offcourse
07:18
<alkisg>
You need to hire someone, to describe to him what you want to do, and then after he spends a few hours and does it for you, to learn what he did and build on top of that
07:18
<ame>
alkisg:I cant find anyone here knowing these ltsp environment
07:18
<alkisg>
Try some local linux expert, or find one from the ltsp mailing list etc
07:19
OK then try the ltsp mailing list
07:19
<ame>
alkisg:From where i need to do that??
07:19
<alkisg>
!ltsp-ml
07:19
<ltsp`>
I do not know about 'ltsp-ml', but I do know about these similar topics: 'ltsp-pnp', 'ltsp5', 'ltsp', 'ltsp6', 'ltsp42', 'ltsp-bug'
07:19
<alkisg>
!mailing-list
07:19
<ltsp`>
Error: "mailing-list" is not a valid command.
07:19
<alkisg>
!ml
07:19
<ltsp`>
Error: "ml" is not a valid command.
07:19
<alkisg>
Meh
07:20
!ltsp-discuss
07:20
<ltsp`>
ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
07:20
<alkisg>
That's the ltsp mailing list ^
07:20
Where are you located, in which country?
07:21
<ame>
alkisg:India
07:21
<alkisg>
In some university? Were you also trying raspberry pis?
07:22
<ame>
alkisg:shall i ask you one thing??
07:22
<alkisg>
Sure, but my answers usually don't help you because that one thing you're asking is not what you need... :)
07:22
<ame>
alkisg:ltsp-pnp will solve all these problem??
07:22
<alkisg>
The answer is "I don't know until I learn your expected use, how you plan to use ltsp"
07:23
But from what I've heard so far, yes, ltsp-pnp will help you very much
07:24
<ame>
alkisg:How you plan to use ltsp??In the sense??
07:24
<alkisg>
In which environment, what server, what clients, what network, what applications...
07:26
<ame>
alkisg:ubuntu environment,Want to control and cetralized storage from one computer,I will use all engineering related applications
07:27
<alkisg>
Are you able to setup all those applications in one computer that doesn't have ltsp in it?
07:27
<ame>
alkisg:I am just having a computer as server with the following configuration:i7 processor,8GB RAM,500 GB hdd
07:27
yes i can
07:27
<alkisg>
Then with ltsp-pnp you can netboot all the others in 1 hour
07:27
And have centralized authentication, home directories etc
07:28
<ame>
alkisg:Can you pls tell me i can change the existing ltsp to ltsp-pnp
07:28
without formatting operating systems??
07:29
<alkisg>
You can. But I can't tell you how to do it, your knowledge isn't enough for a general description, and IRC isn't good for step-by-step instructions
07:29
You do need to hire someone to do it for you.
07:29
Send a mail in the ltsp mailing list, maybe someone will be interested
07:29
<ame>
alkisg:To help online ??\
07:30
<alkisg>
Yes, with remote support, vnc, chat, skype etc
07:30
<ame>
alkisg:Thank you alkisg.I will mail and find someone to help...
07:30
<alkisg>
You're welcome, I hope that you do :)
07:31
<ame>
alkisg:is this the mail address "ltsp-discuss@lists.sourceforge.net"
07:31
??\
07:31
<alkisg>
Yes but you need to become a member to that list before you send mails to it
07:31
Follow the instructions of the web page
07:31
!ltsp-discuss
07:31
<ltsp`>
ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
07:31
<ame>
ok
07:31
i do alkisg
07:31
bye leaving
07:32
<alkisg>
Bye
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16:40
<pingufan>
Hello, I ask again because I cound't get successful help in last days. Can somebody, please, help me getting kiwi-ltsp working again on openSUSE 12.3 ? It was a working 12.2 system, I did a "dup", and somehow this had impact on kiwi-ltsp. The thin client sais during bootup "... not supported by kernel ..." and reboots.
16:40
If somebody can help, please.
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18:07
<geekgirlsc>
Cany anyone point me in the right direction for getting Firefox to load reliabily in a LTSP environement? Chromium seems to work fine. Should I just ditch Firefox entirely? What does everyone here do?
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18:15
<vagrantc>
geekgirlsc: what problems are you having with firefox loading?
18:17
<geekgirlsc>
It seems to load ok on the 1st thin client. (just a bit slow) After that it refuses to load on any more. It says it is already opened. I did some searching and changed some preferences in FF but that didnt seem to do anything.
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18:17
<vagrantc>
are you using the same user for multiple clients?
18:18
<geekgirlsc>
No I have a different user for each client.
18:18
<vagrantc>
more detailed errors in ~/.xsession-errors?
18:20
<dinhduy3110>
hello, I am just instal fresh ubuntu 14.04 LTSP, now from LTSP client when i play video or watch video on youtube it seem very lag. I don't know how to fix it, my ethernet is 100mbs.
18:21
<vagrantc>
dinhduy3110: your server ethernet is 100mbit?
18:21
<geekgirlsc>
@vagrantc looking for that file. cd ..
18:21
<vagrantc>
dinhduy3110: fat or thin clients?
18:22
dinhduy3110: using LDM_DIRECTX=true in lts.conf?
18:22
<dinhduy3110>
yes that right, it a fat client
18:22
yes i use that in lts.conf
18:22
<vagrantc>
dinhduy3110: what are the general specs on your fat clients?
18:23
dinhduy3110: are you sure they're running as fat clients?
18:23
<dinhduy3110>
my server is old PC,
18:24
cpu core 2 duo e7300, VGA onboard
18:24
<vagrantc>
dinhduy3110: your client hardware?
18:25
the speed of your server *mostly* doesn't matter for fat clients.
18:25
<dinhduy3110>
my PC, xeon e5472, VGA nvidia 9500gt, ram 8gb, and ethernet 100mbs
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18:26
<vagrantc>
dinhduy3110: that's your fat client?
18:27
<dinhduy3110>
yeah, because that PC i am using, and i want install a LTSP server on an other PC for lab
18:27
<vagrantc>
i'm sorry, i'm not understanding you.
18:27
<dinhduy3110>
sorry my bad English
18:28
<vagrantc>
if you're actually running the machine with 8gb ram as your fat client, then my best guess is you've got some issue with the video card compatibility with ubuntu 14.04
18:29
if it's running as a thin client, then you should switch to using a fat client.
18:29
(or maybe localapps)
18:29
<dinhduy3110>
ok, thank you about your advice, i will try it out
18:29
i am a newbie in linux
18:30
<geekgirlsc>
@dinhduy3110 I found outmy video was choppy on clients when iwa srunning through a KVM switch in my test environment. When I took the KVM switch out of the picture, the video is fine. Just saying that in case you are using a KVM.
18:30
sorry my typing is apparently terrible today
18:31
@vagrantc i found that file. I am getting just a warning that says: attept to add property GOneProgram: sm-connect after class was initialized.
18:32
<vagrantc>
geekgirlsc: don't see anything obvious there.
18:32
geekgirlsc: what distro and version are you running?
18:33
<geekgirlsc>
edbuntu 14.04.1
18:34
<vagrantc>
dinhduy3110: how do you know it's running as a fat client?
18:34
dinhduy3110: my hunch is you're running as a thin client
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18:36
<dinhduy3110>
I am not sure about that, I just think fat client is a machine has HDD
18:39
i will try install LTSP server on a new machine which have better hardware
18:41
<vagrantc>
dinhduy3110: in LTSP terms, fat client is a machine that boots from the network with no HDD, but runs applications on the client hardware.
18:41
dinhduy3110: LTSP thin clients boot from the network and run applications on the server.
18:42
dinhduy3110: for watching videos on youtue, you don't want to use thin clients... either fat clients or thin clients + localapps.
18:43
<dinhduy3110>
I setup the LTSP server from this guide
18:43
http://ubuntuforums.org/showthread.php?t=2173749
18:44
when everthing done, i start up an other PC and then select boot from network
18:47
after i login on client, it very slow, i must change the desktop enviroment from default to 2d. It better, but when i play video or watch on youtube it slow
18:48
<geekgirlsc>
In your explanation to dinduy3110, I think i see my problem. Im using thing clients without localapps. I put it in the lts.conf file but I must not have it all set up quite right. I did not think I could use localapps for a client that did not have a hard drive.
18:49
<dinhduy3110>
the movie or clip show lagging, like time time lapse video
18:49
<vagrantc>
geekgirlsc: no, localapps just require you to install the applications in the client chroot/image
18:49
dinhduy3110: that's because you're sending raw video over a 100mbit connection.
18:50
<geekgirlsc>
ok thank you so much for your explanations. Im going to find some information on how to do that.
18:50
<vagrantc>
dinhduy3110: if you ran as a fat client or as a localapp, the video would be compressed
18:51
<dinhduy3110>
ok, thank you so much
18:51
<vagrantc>
geekgirlsc: though in general, localapps have their own quirky problems.
18:51
i'd recommend sticking with fat clients or thin clients for the sake of simplicity. fat clients require better client hardware. thin clients require better server hardware.
18:52
but streaming video on a thin client is almost certain to be slow.
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18:54
<geekgirlsc>
I have about 400 thin clients (no harddrives, 2gb mem) Im going to attempt to convert over to LTSP from Wyse WSM. Going to try to put a maximum of 24 on each mini server.
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19:03
<alkisg_web>
Check xnbd-proxy, that should help a lot in that case...
19:22
<vagrantc>
geekgirlsc: with 2gb of memory, they might make decent fat clients
19:23
alkisg_web: do we need to make code changes in LTSP to better support xnbd-proxy or xnbd in general?
19:25
<geekgirlsc>
I would have to add some type of local storage to make them fat clients though wouldnt I?
19:25
<vagrantc>
no
19:25
at least, not in the LTSP sense
19:26
they still use the server for homedirs
19:26
all the other information is read-only or temporary.
19:29
<alkisg_web>
vagrantc: yes, we should put some code for xnbd... some fat clients would run xnbd-proxy and function as replicators, and also we'd replace nbd-proxy with it, for reconnections + stability
19:30
E.g. in geekgirlsc's case, he would have 20 ltsp-servers netbooted as ltsp clients, and they'd function as replicators to 20 clients each of them with xnbd-proxy
19:31
That setup is already possible, vmlintu does that, but xnbd-proxy would make local caching etc completely transparent, no rdiffs etc
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20:02
<vmlintu>
alkisg_web: we use rdiffs only for laptops that may never have nbd access after initial install
20:03
<alkisg_web>
vmlintu: you're not using xnbd-proxy for local caching though, are you?
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20:26
<vmlintu>
alkisg_web: no, we don't use xnbd-proxy
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22:13
<gbaman_>
you about vagrantc?
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22:25
<vagrantc>
gbaman_: ish
22:26
gbaman_: easier to just start asking questions though
22:26
gbaman_: then i can responsd when i respond :P
22:26
<gbaman_>
Ok, am back to an old question relating to Raspi-LTSP
22:26
Suggestions for booting without a fixed IP in the cmdline.txt file?
22:26
Aka, the server somehow telling the client its IP
22:27
<vagrantc>
write a script in an initramfs hook
22:27
<gbaman_>
Well, coincidentally, I did that
22:27
Well, manually added it to the initramfs
22:27
<vagrantc>
actually .... you should be able to just specify next-server in dhcp
22:27
<gbaman_>
No control over main DHCP server
22:28
<vagrantc>
so write an initramfs script that asks the network
22:28
<gbaman_>
I wrote a little script using UDP broadcasts
22:28
and put it in, but weirdly it always ended up with a pile of filesystem errors
22:29
<vagrantc>
avahi might be something to look into, although fitting an avahi stack into initramfs might be ambitious
22:29
<gbaman_>
Also tried that too :)
22:29
Gave up, too many dependancies etc
22:29
it never seemed to want to run
22:29
<vagrantc>
well, find some sort of service that can respond to broadcast requests
22:30
<gbaman_>
How do I cleanly pass it to LTSP?
22:30
<vagrantc>
is it ok to set up proxydhcp?
22:30
<gbaman_>
Yip
22:30
As long as whatever is done does not interfere with the current network
22:30
<vagrantc>
you might be able to get the dhcp client in the initramfs to use proxydhcp's port
22:30
<gbaman_>
and only requires configuration on the server
22:30
<vagrantc>
not sure if that'll work
22:30
<gbaman_>
Again, tried that, very little documentation and ended up giving up
22:31* vagrantc nods
22:31* vagrantc has no magic, and needs to restart networking...
22:31* vagrantc waves
22:31
<gbaman_>
In my fiddling with initramfs stuff though, I did get wireless booting working :)
22:37
<vagrantc>
ok, restarted networking, didn't loose connectivity ...
22:37
wireless booting with a local kernel/initrd?
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23:00
<gbaman_>
vagrantc: Yip, added the wireless drivers in the initrd
23:00
Amazingly it actually works fine
23:00
Although it a tad slow
23:01
And wouldn't be suitable for more than a few clients
23:04* vagrantc nods
23:04
<gbaman_>
It works though
23:04
which was what surpirsed me
23:04
*surprised
23:05
I won't be releasing it as a Raspi-LTSP feature though, people will just try and boot an entire classroom set with it (then email me saying it is slow)
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