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


Channel log from 21 September 2009   (all times are UTC)

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03:42
<din_os>
libflashsupport is a package to fix audio issues on clients (playback on server) what's the package for lenny?
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03:43
<Appiah>
what dist din_os ?
03:44
<din_os>
debian lenny
03:44
<Appiah>
checked http://packages.debian.org ?
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03:46
<din_os>
well it should be there somewhere,
03:47
I guess it's not called libflashsupport on debian.. :(
03:47
<Appiah>
on what dist was it called that?
03:48
if its ubuntu it seams it's pulseaudio related
03:48
<cyberorg>
din_os, libflashsupport is obsolete with newer flash plugins
03:49
<din_os>
cyberorg, ok, so what's the fix for sound on clients... should I switch to pulseaudio?
03:49
<cyberorg>
din_os, pa is default for ltsp5
03:50
<Appiah>
is there even a problem in your lenny install?
03:50
<din_os>
hmm, ok I'll have a search around for tips on switching to pulseaudio, it's not installed by def on lenny
03:51
Appiah, not really, it's just that the sound on clients comes out on the server (e.g. youtube)
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04:17
<CrypTom>
hi all, how can I add an Printer (shared by a windows server) so that every ltsp-user has to enter the AD credential before printing?
04:19
In the cups add printer dialog (after choosing SMB-Printer) I see the option "Prompt user if authentication is required", but I'm never promted for a username/password
04:20
I'm working on Kubuntu Jaunty LTSP
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06:47
<Appiah>
anyone used ltsp-cluster in karmic?
06:48
I end up with the webinterface not being able to auth
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08:40
<nubae|work>
Appiah, yup its b0rken...
08:41
<Appiah>
anyway to fix it by hand?
08:42
like the user it's trying to logon with isn't created , so I can just add the user myself
08:42
etc
08:42
<nubae|work>
I couldn't, but if u u do, let me know...
08:42
<ogra>
did you guys make sure to file a bug so stgraber knows about it and can fix it before release ?
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08:44
<Appiah>
I just installed it 5min before wrote that
08:44
wanna hear about som experince in it before I file a bug report
08:44
<ogra>
well, nubae seemed to know about it very well
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08:44
<Appiah>
nubae|work but you had the exact prob as me?
08:45
<ogra>
note that the packages in karmic might differ from the stuff in the ppa
08:47
<Appiah>
never used the PPA
08:47
<ogra>
yes, i understood that from your first sentence
08:47
thats why i mentioned it ...
08:48
<Appiah>
I mean .. ever
08:48
<ogra>
yes
08:48
but nubae|work doesnt use ubuntu anymore afaik
08:49
so he will unlikely use the karmic packagess ;)
08:49
<Appiah>
is there any guidelines for ltsp-cluster in karmic so I can test and come with feedback?
08:49
<ogra>
ask stgraber
08:49
<Appiah>
ah
08:49
<ogra>
i think there were updated docs
08:49
no idea where though
08:49
<Appiah>
not in the wiki what I can see
08:57
ogra: do you know if stgraber reads PM's or should I email him instead?
08:59
<ogra>
no idea
08:59
he usually reads the backlog here
09:00
<sbalneav>
Morning all
09:00
<Appiah>
I'll put in on launchpad as a question
09:00
<alkisg>
s!
09:01
!s
09:01
<ltspbot>
alkisg: "s" is Scotty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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10:01
<nubae|work>
ogra, ?? huh
10:02
I develop on ubuntu at work... its all we use
10:03
Appiah, I used the PPA karmic packages, which stgraber knows are broken and is fixing
10:04
the bug has been filed by me, and I think confirmed by asmo and someone else too
10:04
do a search on launchpad for lbagent and ltsp-cluster
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10:09
<ogra>
nubae|work, i thought you switched to opensuse personally
10:10
<nubae|work>
nah I use both, though most of my volunteer work happens on linux-for-education.org which is hosted by opensuse folks
10:11
but I continue to use ubuntu extensively... far more than I use anything else
10:11
ogra, do u know where the next UDS is?
10:12
<ogra>
not yet
10:12
still under discussion
10:12
definately in the US though
10:13* ogra knows the two places being discussed, but i dont know if i can talk about them, so i leave it :)
10:13
<Appiah>
well this is not about the lbagent nubae|work
10:15
<nubae|work>
ah ok :-) ooooh the secrecy...
10:16
Appiah, u sure?
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10:16
<nubae|work>
whats the error then?
10:17
<treyh>
I am having audio issues, not using ldm just rdesktop to Windows TS, the audio is very choppy. I found this fix and wanted to know what you guys thought: sudo adduser $USER pulse-rt
10:18
<Gadi>
treyh: try setting SOUND=False in lts.conf
10:18
<treyh>
Gadi: tried that, doesn't change anything
10:18
<Gadi>
k
10:19
<treyh>
whats weird is it's a pattern
10:19
it's not just in and out randomly, it's there for a second and then not for a second
10:19
<Gadi>
are you running sound through pulseaudio on the client?
10:19
<treyh>
Gadi, not sure. how do I check
10:20
<Gadi>
get a shell on a screen (at the same time as having rdp on another screen), switch to the shell, and do: ps -efw|grep pulse
10:22
<Appiah>
I installed lbserver , control , and accountmanger and tried to access the admin interface
10:25
<treyh>
Gadi: ok did that, only shows my "grep pulse" so the answer is no
10:26
<Gadi>
ok
10:26
did this sound thing just happen, or is this on a new thin client?
10:28
<treyh>
Gadi: started off as audio/video moving way too fast, then changed lts.conf to have SOUND = false which fixed the fastforwarding audio/video. then about a week later this happened
10:30
Gadi: i also tried turning Sound = false off, rebuilding chroot, rebuilt ltsp server
10:32
<Gadi>
same hardware, tho?
10:35
<treyh>
Gadi: yes
10:36
Gadi: and it's happening on all my clients, lenovo laptops, gateway all-in-one's, multiple dell desktops
10:39
<cliebow>
!s
10:39
<ltspbot>
cliebow: "s" is Scotty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
10:40
<treyh>
Gadi: the only thing I do different than a lot of ppl is I build everything from the packages, instead of running the alt cd
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10:47
<ogra>
stgraber, what do you think about an ltsp-docs sync request ?
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10:51
<Gadi>
treyh: hmm... could it be a networking issue?
10:52
<treyh>
Gadi: network is running like a champ, we had an issue that I resolved where the networking was being flooded, but I stopped the flooding at it's source
10:52
you showed me the nc ..... command to see if rdp was responding fast enough
10:53
Gadi: the only thing I haven't done on the ltsp server itself, is a sudo apt-get dist-upgrade, j ust been doing sudo apt-get upgrade
10:53
<Gadi>
I don't think ubuntu guys like dist-upgrades anyway
10:53
;)
10:54
<treyh>
lol
10:54
are they a good thing or a bad thing?
10:54
<ogra>
dist-upgrade is totally fine
10:54
just dont use it to upgrade to a new release ;)
10:54
<treyh>
lol
10:55
I never upgrade from one distro to another, I always do a fresh install
10:55
<ogra>
to install updates and sercurity fixes they are fine
10:56
<treyh>
Gadi: i will test with new hardware (actually with a virtual machine) to see if I can duplicate the problem
10:56
then will test again with different hardware
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11:11
<treyh>
do the ltsp load balancing utils allow you to see how many ltsp clients you currently have
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11:27
<treyh>
Gadi: you still around, i have some more details now
11:27
Gadi: going from windows-->TS sound is fine
11:28
Gadi: booting into ldm (sound works great)
11:28
Gadi: booting into ldm-->rdesktop to TS sound is choppy
11:28
Gadi: booting into straight rdesktop-->TS sound is choppy
11:28
only common ground is rdesktop
11:29
<ogra>
did you look for rdesktop bugs/updates ?
11:29
<treyh>
looking now
11:31
ogra: if I were goign to update rdesktop, would I do it on the ltsp server and the chroot or just 1?
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11:31
<ogra>
chroot
11:34
<treyh>
does ltsp work with gnome-rdp ?
11:50
<Appiah>
treyh as in the clients using gnome-rdp on their desktop or what?
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12:15
<vagrantc>
sbalneav: http://packages.qa.debian.org/l/ltsp-docs.html
12:16* vagrantc dances
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12:17
<alkisg>
Are these translatable already? :P
12:18
<vagrantc>
i think that would have to be added
12:18
but probably would be feasible with po4a or some such
12:18
<alkisg>
Really? I was just joking!
12:18
Nice going, guys
12:18
<vagrantc>
why joke?
12:18
:)
12:20* cliebow cliebow ducks just for good measure
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12:23
<rjune__>
!og
12:23
<ltspbot>
rjune__: Error: "og" is not a valid command.
12:23
<rjune__>
!o
12:23
<ltspbot>
rjune__: "o" is o is for ogra!!!!!!!!!
12:24
<alkisg>
!r
12:24
<ltspbot>
alkisg: "r" is rjune, rjune, go, go, rjune!
12:24
<alkisg>
Everyone is a star around here... they all got their own letters :P :D
12:25
<cliebow>
!c
12:25
<ltspbot>
cliebow: Error: "c" is not a valid command.
12:26
<cliebow>
oh welll....
12:26
<alkisg>
!learn c is cliebow!!!!1!!!!
12:26
<ltspbot>
alkisg: Invalid arguments for learn.
12:26* alkisg needs to read up :(
12:26
<cliebow>
ltspbot:
12:26
<_UsUrPeR_>
!lesrn _ _UsUrPeR_: please leave now
12:26
<ltspbot>
_UsUrPeR_: Error: "lesrn" is not a valid command.
12:26
<_UsUrPeR_>
!learn _ _UsUrPeR_: please leave now
12:26
<ltspbot>
_UsUrPeR_: Invalid arguments for learn.
12:26
<vagrantc>
stgraber: you might want to request a sync of ltsp-docs
12:26
<_UsUrPeR_>
!learn U _UsUrPeR_: please leave now
12:26
<ltspbot>
_UsUrPeR_: Invalid arguments for learn.
12:26
<cliebow>
ltspbot:learn U as Hey!!
12:27
!u
12:27
<ltspbot>
cliebow: Error: "u" is not a valid command.
12:27
<_UsUrPeR_>
D:
12:27
<cliebow>
!U
12:27
<ltspbot>
cliebow: Error: "U" is not a valid command.
12:27
<vagrantc>
stgraber: or is it way too late ?
12:36
<stgraber>
vagrantc: I have some serious doubt I can get a freeze exception + new package in the archive this late in the cycle
12:36
ogra: think it's possible ?
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12:50
<vagrantc>
stgraber: it's the sort of thing that's trivially backportable anyways
12:50
since it's just a generated pdf and html and manpage
12:50
<stgraber>
yeah, basically no dependency
12:50
<vagrantc>
oh, and all that yelp stuff that we don't use
12:50
don't yet use
12:50
stgraber: that's the only reason i mentioned it... it being *so* simple.
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12:56
<alkisg>
ltsp-docs - 0.99+bzr91-1~ppa1 published in https://launchpad.net/~ts.sch.gr/+archive/ppa ;)
12:59
<vagrantc>
heh
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13:07
<alkisg>
Has anyone been able to localize the pxelinux menu with vesamenu.c32? (=load a font etc)
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13:19
<treyh>
is it still possible to link RDP_SERVER to a bash script
13:19
like this: RDP_SERVER = $(/usr/local/bin/RDP)
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13:27
<moldy>
hi
13:27
i would like to logout the logged in ltsp user from a program
13:27
i don't really care if i do it server- or client-side
13:28
any suggestions? just killing processes has bad side-effects on some ltsp versions (freezes the client on hardy)
13:28
<alkisg>
italc?
13:29
<moldy>
alkisg: italc does this? ok, i will take a look at the source
13:29
<Appiah>
have not tried italc for a long time
13:30
but last time it was buggy
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13:30
<treyh>
does anyone have the syntax to set an option in lts.conf as a bash script?
13:30
<alkisg>
moldy: yes, you just right click on the clients and select "logoff"...
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13:30
<treyh>
something similiar to RDP_SERVER = $(/usr/local/bin/server_selector)
13:33
<moldy>
alkisg: from a quick glance at the source, it seems that italc uses desktop-specific code to do this
13:33
alkisg: i have thought about doing this, but i would of course prefer a cross-desktop way
13:34
<alkisg>
moldy: I haven't seen the code; so you're saying that e.g. it won't work with kde?
13:34
<moldy>
alkisg: it works with kde because it includes kde-specific code to do it, but it won't work with anything other than gnome and kde
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13:34
<alkisg>
I see
13:35
<moldy>
alkisg: if i understand the code corretly. i just took a quick glance.
13:36
it even seems to "brute-force"
13:36
i guess it would work, but i don't really like the idea
13:37
<treyh>
do any of you use bash scripts along with ltsp
13:38
<alkisg>
treyh: why don't you make a customized rdesktop screen script? I.e. SCREEN_07=tryeh_rdesktop ?
13:39
<treyh>
alkisg: because I didn't know what to call it
13:39
alkisg: wording is everything ty
13:39
<alkisg>
Heh :)
13:40
<treyh>
*researches on how to make custom screen script*
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13:41
<alkisg>
treyh: start by cloning /opt/ltsp.original/i386/usr/share/ltsp/screen.d/rdesktop
13:41
*I mean /opt/ltsp/...
13:41
<moldy>
hm, i might actually have found a trivial way: kill the user's sshd subprocess on the server? are there reasons why this could be a bad idea?
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13:47
<treyh>
alkisg: ok i copied /opt/ltsp/i386/user/share/ltsp/screen.d/rdesktop to treys_rdesktop
13:47
alkisg: now how would I use it
13:48
<alkisg>
treyh: afaik, how did you use rdesktop? With SCREEN_07=rdesktop?
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13:48
<alkisg>
Now you just say SCREEN_07=treys_rdesktop...
13:48
<treyh>
SCREEN_02 = rdesktop
13:48
so something like: SCREEN_04 = treys_rdesktop
13:49
<alkisg>
You need both of them simultaneously?
13:49
Yeah, something like that...
13:49
<treyh>
alkisg: just for a few minutes to test
13:49
alkisg: then i could remove the first one
13:49
alkisg: well remove the screen4 and change the screeen2 to the new name
13:49
<alkisg>
Right
13:49
<treyh>
do i have to rebuilt the image to do that?
13:50
<alkisg>
Yes, every time that you change something in /opt/ltsp/i386 you need to run ltsp-update-image
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13:59
<treyh>
alkisg: is that script a shell script or bash?
14:00
bash
14:00
wooo
14:02
<alkisg>
treyh: it's a shell script, but it doesn't open with bash, it opens with sh
14:02
That means that is should be posix compliant, because not all distros have bash as sh
14:02
Of course you could change it to use bash if you want...
14:07
<Appiah>
anyone used groups to control which printers people can access?
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14:20
<vagrantc>
screen.d scripts are sourced, not executed, so stick with strictly POSIX compatible, or it will break.
14:20
plain /bin/sh
14:29
<treyh>
so if I added something like this to a screen script, would it break it: "if ((RANDOM % 2)); then echo 172.16.1.100; else echo 172.16.1.103; fi"
14:29
vagrantc: would that command break it
14:30
<Ryan52>
treyh: if your /bin/sh isn't bash, yes.
14:30
<vagrantc>
treyh: write a test script.
14:30
treyh: and find out for yourself.
14:31
<treyh>
it didn't work
14:31
but i didn't know if it was my syntax or not
14:31
<vagrantc>
what are you trying to do?
14:32
<Ryan52>
treyh: your syntax was fine.
14:32
<treyh>
would like the RDP_SERVER option to be random
14:32
Ryan52: I know the script works, just not sure if I put it in the right spot
14:32
<vagrantc>
treyh: by random, you mean one of the two servers?
14:32
<treyh>
vagrantc: yes
14:32
would actually like to let it go between 3
14:33
the deal is that I had to quit using windows NLB because by default in multicast mode it floods the network with bs, so I switched to a linux solution, crossroads xr load balance but it uses too much cpu and the server can't handle it, so trying to put ina simple patch
14:36
<vagrantc>
you could use numrandom from num-utils
14:37
case $(numrandom /1..3/) in 1) FOO ;; 2) BAR ;; 3) BAZ ;; esac
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14:40
<treyh>
well I think my problem is that i'm putting the if statement in wrong
14:42
!pastebin
14:42
<zamba>
examples with load balancing for ltsp?
14:42
<ltspbot>
treyh: "pastebin" is try !pastebot
14:42
<treyh>
!pastebot
14:42
<ltspbot>
treyh: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
14:42
<ltsppbot>
"treyh" pasted "PATH=/bin:$PATH; export PATH ." (15 lines) at http://pastebot.ltsp.org/553
14:42
<vagrantc>
treyh: if you're using ubuntu, the default shell is *not* bash, so it will *not* work with your code.
14:42
treyh: you are using features of bash.
14:43
<treyh>
vagrantc: ok, but the numrandom of yours will work?
14:43
<vagrantc>
treyh: it's an actual program.
14:43
treyh: you'll need to install it.
14:43
<treyh>
on the chroot or server
14:43
<vagrantc>
treyh: alternately, you could write a script that uses bash's RANDOM features that you call from your rdesktop script.
14:44
treyh: in the chroot, because you're running this from the thin-client.
14:47
<treyh>
vagrantc: ty for your help
14:47
vagrantc: any idea on how to get it to choose between 3 numbers
14:48
<vagrantc>
treyh: use a case statement.
14:48
<treyh>
vagrantc: ok i'm looking for example with ip addresses
14:49
<vagrantc>
i gotta run. good luck
14:49
<alkisg>
Here's an alternative: echo $((`hexdump -e '"%d"' -n 1 /dev/random` % 4))
14:50
hexdump is preinstalled in both the server and the chroot, at least in ubuntu....
14:50
<treyh>
so that echos a random number up to 4
14:50
still stuck at the same boat
14:50
<alkisg>
0, 1, 2 and 3
14:50
<treyh>
how to randomly dump between 3 ip addresses
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14:50
<alkisg>
treyh: that's easy... :)
14:51
as vagrantc said, case $((`hexdump -e '"%d"' -n 1 /dev/random` % 4)) in
14:51
***% 3 in your case
14:52
<treyh>
case $((`hexdump -e '"%d"' -n 1 /dev/random` ***% 3)
14:52
?
14:52
<--stupid when it comes to this stuff, gotta explain more clear
14:53
<alkisg>
treyh: run this command many times: case $((`hexdump -e '"%d"' -n 1 /dev/random` % 4)) in 0) echo server1 ;; 1) echo server2 ;; 2) echo server3 ;; esac
14:53
Instead of "echo serverX", put SERVER=10.160.31.10 etc
14:54
<treyh>
i get it
14:54
how could i get it to just spit out 100, 101, 102, 103
14:55
well
14:55
<alkisg>
echo 10$((`hexdump -e '"%d"' -n 1 /dev/random` % 4))
14:55
That spits out 100, 101, 102 or 103.
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14:56
<treyh>
ty
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14:56
<treyh>
so to use that in a screen script
14:56
i would put
14:57
case 10$((`hexdump -e '"%d"' -n 1 /dev/random` % 4))
14:57
<alkisg>
What are your servers IPs? x.x.x.100, x.x.x.101, x.x.x.102, and x.x.x.103 ?
14:58
<treyh>
172.16.1.100
14:58
this is the screen script line i'm trying to modify
14:58
RDESKTOP_OPTIONS="${RDP_OPTIONS} -f 172.16.1.100"
14:58
that i have there works
14:58
<alkisg>
I mean what are *all* your servers IPs?
14:58
That's just one server there...
14:59
<treyh>
all start with 172.16.1
14:59
172.16.1.100, 172.16.1.101, 172.16.1.102, 172.16.1.103
14:59
<alkisg>
So you don't need a case. Just put: RDP_SERVER=172.16.1.10$((`hexdump -e '"%d"' -n 1 /dev/random` % 4))
14:59
<treyh>
inside of my lts.conf?
14:59
<alkisg>
No, inside the treyh_rdesktop script
15:00
Right above that line: RDP_OPTIONS=${RDP_OPTIONS:-"-f"}
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15:00
<ltsppbot>
"treyh" pasted "PATH=/bin:$PATH; export PATH ." (15 lines) at http://pastebot.ltsp.org/554
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15:00
<alkisg>
Yup, looks fine.
15:01
<treyh>
alkisg: you are the man, ok going to rebuild the image now
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15:44
<treyh>
anyone ever set RDP_SERVER to a random ip address?
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19:30
<treyh>
anyone ever wrote a screen script that made RDP_SERVER connect randomly to a list of IP's
19:32
<vagrantc>
treyh: you're still working on that?
19:32
<treyh>
vagrantc: yes
19:33
<vagrantc>
alkisg and you had it figured out when i left. what went wrong?
19:33
<treyh>
alkisg helped me out for a long time
19:33
it was supposed tow ork, and when i wen to test, it failed and he logged
19:33
mind taking a look at my screen script to see what I might have done wrong?
19:35
http://pastebot.ltsp.org/554
19:35
<vagrantc>
install num-utils, and in your script, after it sets RDP_SERVER or sources any files: RDP_SERVER=192.168.1.10$(numrandom /0..3/)
19:35
<treyh>
thats the screen script he helpe me create
19:36
ok I have num-utils installed
19:36
vagrantc look at that pastebot, did I put something in the wrong order for that? same basic idea there but didn't work
19:36
<vagrantc>
seems like it isn't including RDP_SERVER anywhere.
19:36
<treyh>
RDP_SERVER=172.16.1.10$((`hexdump -e '"%d"' -n 1 /dev/random` % 4))
19:36
<vagrantc>
you set it, but don't use it.
19:37
no idea with hexdump, but it looks like RDP_SERVER goes un-used...
19:37
RDESKTOP_OPTIONS="${RDP_OPTIONS} -f"
19:37
er.
19:37
that should be changed to:
19:37
RDESKTOP_OPTIONS="${RDP_OPTIONS} -f ${RDP_SERVER}"
19:38
that ought to fix it, or try the num-utils approach
19:38
<treyh>
ty sir
19:38
trying it now
19:39
in my lts.conf
19:39
should i remove the static entry
19:39
RDP_SERVER = 172.16.0.16
19:45
vagrantc: no dice
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19:49
<treyh>
vagrantc: trying your numrandom solution now
19:52
<vagrantc>
treyh: what value is it actually getting?
19:52
<treyh>
vagrantc: it goes to the point where rdesktop should open and just repeats
19:53
i see ltsp login flash
19:53
then grey screen
19:53
then ltsp login flash
19:53
then grey screen
19:53
well when i say grey screen, i mean black screen sorry
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20:03
<treyh>
vagrantc: IT WORKED!
20:07
<vagrantc>
good good
20:08
<treyh>
vagrantc: I do seriously thank you
20:08
killed two birds with one stone with that
20:08
my linux load balance server was being maxed out
20:08
and windows load balancing sucks
20:19
vagrantc: is there a place I can add notes about how to do this, in the wiki or ltsp docs?
20:20
!docs
20:20
<ltspbot>
treyh: "docs" is For the most current documentation, see http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspDocumentationUpstream
20:29
<vagrantc>
might be worth setting up a randomization feature directly in the rdesktop script
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23:44
<vagrantc>
stgraber: does pulseaudio work for you with ltsp 5.1.87 ? i had to revert the module-udev-detect stuff and just use plain module-detect