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


Channel log from 9 March 2017   (all times are UTC)

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02:19
<snowblack>
Is there an LTS for Raspberry Pi?
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06:02
<alkisg>
!raspberry | echo snowblack:
06:02
<ltsp>
snowblack: I do not know about 'raspberry', but I do know about these similar topics: 'raspberrypi'
06:02
<alkisg>
!raspberrypi | echo snowblack:
06:02
<ltsp>
snowblack: raspberrypi: (#1) Ubuntu/LTSP on Pi 2: https://help.ubuntu.com/community/UbuntuLTSP/RaspberryPi, or (#2) Debian/LTSP (with raspbian chroot) on Pi: http://cascadia.debian.net/trenza/Documentation/raspberrypi-ltsp-howto/, or (#3) unofficial Ubuntu/LTSP (with raspbian chroot) on Pi: http://pinet.org.uk/
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06:21
<toru>
Hello. I want to test wireless LTSP with 11ac(866mbit/s). so, I want to boot LTSP client from local USB or HDD. Is there any document about this case?
06:25
<alkisg>
toru: hello, are you talking about thin or fat clients? And, how many clients?
06:26
I'm thinking that what you want will be better done with x2go, not LTSP, that's why it'll be better to provide some details about your setup
06:26
<toru>
about 20 fat clients.
06:26
<alkisg>
Just launching libreoffice needs 120 MB
06:26
For 20 fat clients, that would be 2.5 GB
06:27
Over wireless, that should take 5 minutes or so... :)
06:27
<toru>
is thin client OK? about bandwidth.
06:27
<alkisg>
That 866 mbits/sec are without collisions
06:28
With 20 clients, there will be a whole lot of collisions, so the bandwidth will be much, much lower than that
06:28
No, thin clients require a whole lot more bandwidth
06:28
!thin-clients-bandwidth
06:28
<ltsp>
thin-clients-bandwidth: A small explanation why thin clients can't perform well with video, lots of screen updates etc: https://sourceforge.net/p/ltsp/mailman/message/35694699/
06:29
<alkisg>
So once programs are launched, fat clients will perform somewhat OK, but if all of them need a lot of disk access at the same time, it will be slow
06:29
What you can do, is use local caching to implement ltsp fat clients
06:29
!local-boot
06:29
<ltsp>
local-boot: If you want LTSP fat clients on a low-speed network, you can put i386.img on e.g. C:\Boot\LTSP\i386.img and use this command line in pxelinux.cfg: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1 rootflags=ro loop=/Boot/LTSP/i386.img; IPAPPEND 3
06:30
<alkisg>
So, performance-wise, I would recommend: 1) ltsp fat clients with local caching, 2) x2go, 3) ltsp fat clients without local caching, 4) ltsp thin clients
06:30
I would go with (1)
06:30
Are you sure you can't have wired lan?
06:32
<toru>
My classroom is not for computing only, so wired lan is not good.
06:34
to ltsp, thank you for pxelinux.cfg !
06:34
<alkisg>
ltsp is a program, we call it to take notes
06:34
It's called a "bot"
06:35
<toru>
OK, it's very wise.
06:38
I did't know about x2go, I'll find out about it. thank you for your support, alkisg.
06:38
<alkisg>
!x2go
06:38
<ltsp>
x2go: x2go is an NX-based suite of applications that allow logging in to a remote X server from any OS. It's much more efficient than VNC over slow network. More info: http://www.x2go.org/
06:38
<alkisg>
toru, x2go is suitable when you already have a local operating system and you want to do remote desktop to some server
06:42
<toru>
alkisg, thank you very much.
06:42
<alkisg>
You're welcome
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07:32
<hima>
salam
07:32
i have ltsp on ubuntu mate
07:32
how to change the client language for the user?
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07:35
<alkisg>
For the user, in control panel language settings
07:35
Or while logging in, you can select language from preferences
07:35
For the pc, in lts.conf
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07:59
<hima>
i tried to change lang after logging in
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08:00
<hima>
i set my lang at top
08:00
and nothign happen after restart
08:00
also i was trying to change the lsp.conf file to let the server force the user to certain lan
08:00
or even , enable autologin
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08:02
<hima>
seeting lanng from login screen is the easier
08:03
setting
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08:05
<hima>
alkisg , which is treating files better , windows or linux , fast , robust , integrity?
08:06
<alkisg>
hima: if you are asking which OS has better file management, it's about the same
08:06
<hima>
if i am going to serve some files about 10 GIGs each is about 2 Mg
08:06
<alkisg>
For non-ltsp questions, you can ask in #ubuntu or in #ubuntu-mate
08:06
<hima>
ok
08:07
i tried to play with lts.conf files under /i386 , and get no luck
08:07
<alkisg>
It's in /var/lib/tftpboot/ltsp/i386/lts.conf
08:08
<hima>
yes i followed
08:08
i meant that file
08:09
<alkisg>
Put it to pastebin
08:13
<hima>
http://pastebin.com/B8jQ4BQv
08:14
<alkisg>
You only pasted the first 30 lines
08:14
The rest is missing
08:14
<hima>
they have the two lines i changed
08:14
<alkisg>
Run this: cat /var/lib/tftpboot/ltsp/i386/lts.conf | nc termbin.com 9999
08:14
This will put all of it
08:15
<hima>
http://termbin.com/az54
08:15
you teach me alot
08:16
<alkisg>
So, the lines you put are under the [OLD_MONITOR] section
08:16
That's why they don't work
08:16
Put them before the [OLD_MONITOR] line
08:16
<hima>
by the way , it is working if i have hashed auoloing and directx
09:00
for what is the difference between ssh session and rdp session
09:02
<alkisg>
ssh is console, rdp is graphics
09:08
<hima>
i did chose ssh but it entered me to a still screent graphical one
09:10
i think both choices gave me the same
09:10
the graphics
09:10
is there a a paramter in lts.conf that force for that
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09:35
<alkisg>
hima: ah, you're talking about the LDM authentication back ends, not about the lts.conf SCREEN scripts
09:36
ssh there means xorg-based graphical session, while rdp means xrdp-based graphical session
09:36
Parameter to force what?
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09:36
<alkisg>
(11:25:43 πμ) vlt: lotuspsychje: In case you're interested in yesterday's problem with firefox 52 crashing: It works if you set env var LOGNAME. That's the whole problem :-D ==> err what?
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09:37
<alkisg>
hima_: check irclogs.ltsp.org, I replied to you when you weren't here
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09:38
<alkisg>
Nice, https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1671079
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09:40
<vlt>
alkisg: Yeah, lol
09:40
<alkisg>
Good catch :)
09:41
<vlt>
Have you seen this? => https://reviewboard.mozilla.org/r/118190/diff/1#index_header
09:43
<alkisg>
Yup, 5 minutes ago... just an initialization :)
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10:13
<hima_>
strange
10:13
when i lock fat client screen
10:13
when i unlock it did not accept the user and password
10:14
what is wrong then , is it related to lts.conf?
10:22
<alkisg>
!LDM_PASSWORD_HASH
10:22
<ltsp>
LDM_PASSWORD_HASH: LDM_PASSWORD_HASH=True in lts.conf saves the password hash to /etc/shadow on login, so that the users can unlock the screensaver etc. If they happen to change their password though, that only takes effect until logout.
10:42
<hima_>
li will check
10:44
also routing is disabled on clients
10:45
should i rebuilt the lts.conf file
10:47
<alkisg>
"routing is disabled" doesn't make much sense, if you mean that you are using 2 nics on the server and you're not doing NAT, that's a server issue
10:48
lts.conf file can't be rebuild, do you mean "save"? Yes save it
10:48
You don't need to rebuild the i386.img image by running ltsp-update-image
10:49
<hima_>
on the server every thing is ok
10:49
i go go online
10:49
<alkisg>
Are you using 2 network cards on the server?
10:49
<hima_>
yes
10:49
<alkisg>
Then you need to do NAR
10:49
NAT
10:49
<hima_>
nat with?
10:49
<alkisg>
!nat
10:49
<ltsp>
nat: To set up NAT in your LTSP server, set its internal IP to 192.168.67.1 and put http://bazaar.launchpad.net/~ts.sch.gr/sch-scripts/trunk/view/head:/debian/sch-scripts.if-up to /etc/network/if-up.d/sch-scripts. This also takes care of flow-control issues, possibly increasing your network speed 10 times. :)
10:50
<alkisg>
Either that, or google about NAT, or use only 1 card which is easier
10:50
<hima_>
at the moment
10:50
i test on work environment
10:50
so every thing is virtual
10:51
i use virtual box
10:51
<alkisg>
ok
10:51
<hima_>
ubuntemate is working on two nats
10:58
one configure nated with host computer
10:58
and the other for lab
10:59
<alkisg>
Yes, OK, but the solution still is the one I said above ^
11:00
You can use 1 NIC in virtualbox if you bridge it, for both the server and the client
11:00
1 bridged nic for the server
11:00
1 bridged nic for the client
11:01
<hima_>
for testing , i could use one card also in nat network
11:01
if i make a nakt 10.0.2.0/24
11:02
<alkisg>
OK
11:02
<hima_>
and every client net card should belong to that nat
11:03
server NIC sgould be stitic ip
11:03
?
11:03
<alkisg>
It doesn't have to be static, no. Whatever you want.
11:04
<hima_>
if my server will not be stitc then it will get ip from nat network
11:04
<alkisg>
OK
11:05
Look, I can't teach you networking here, google a bit, and if you have specific LTSP-related questions then ask
11:05
<hima_>
i cam from windows world
11:05
i know nating
11:05
i will manage any way
11:05
<alkisg>
OK
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11:23
<vlt>
Hi, is there a way to reset values in lts.conf to their default value for a client?
11:23
Example:
11:24
I have XKBLAYOUT = de in [default] but want to reset that in [GROUP_NO_DE]
11:26
<alkisg>
vlt: XKBLAYOUT="" should do it
11:26* vlt tries that
11:26
<alkisg>
It's not 100% the same as if it didn't exist, but you shouldn't notice any difference
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17:15
<qwebirc16305>
is ltsp.org down?
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17:19
<qwebirc16305>
successor?
17:23
<||cw>
qwebirc16305: most work happens on launchpad these days
17:24
I haven't noticed a reason for the site being down, but it does seem to eb the case
17:27
<qwebirc16305>
thanks
17:28
does anyone know if Pinet supports the raspberry pi 7 touch?
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17:47
<alkisg>
OK I restarted apache
17:48
sbalneav: I'm going to put a cron job to restart apache once per day ...
17:48
Hope jammcq will find some time to upgrade the server from 10.04 to 16.04 sometime soonish..
17:49
I could host it, if there's a problem with the hosting company
17:49
<sbalneav>
Lawyer's pants catch fire during arson trial
17:50
<alkisg>
Haha
17:50
E-cigar battery...
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18:01
<sbalneav>
Hm
18:01
That was my url script. Why did it print here....
18:46
<quinox>
10.04? :o
18:47
<alkisg>
:)
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22:33
<hima_>
hi
22:33
is dnsmasq include dns + dhcp + tftpd service
22:33
or is is only for DNS
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