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


Channel log from 1 June 2011   (all times are UTC)

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00:45
<dyllan>
hi all
00:55
I am running the command: ltsp-build-client --arch i386 it runs and then starts downloading updates but fails at some point with the following error: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/s/sane-backends/libsane_1.0.22-2ubuntu1_i386.deb Hash Sum mismatch
00:56
and error: LTSP client installation ended abnormally
00:57
if i run the ltsp-build command again it complains that the i386 directory already exists, so i have to delete it and start again. Is there a way to try again from where it left off?
00:57
<muppis>
Not really.
00:58
Is your server in up-to-date ?
00:58
<dyllan>
muppis, yea the server is up to date
00:58
but my server is 64bit and my clients are 32bit hence the command to build a 32bit client.. .
00:59
<muppis>
That is quite normal situation. :)
00:59
<dyllan>
ive tried it several times and it fails in different places
00:59
but mostly during the update.. . :)
01:00
<muppis>
Sounds odd.
01:01
<dyllan>
could i not possibly chroot in or soming like that then try and run the update again? Or is it not complete and there is no environment to chroot into?
01:04
<muppis>
I don't have deeper knowledge what build-client does, but basically it installs very minimal Ubuntu (in your case) to chroot and modifies to work as terminal client. So you can try chroot to it if fails. There is a change something important is missing and thus chrooting won't work.
01:06
<dyllan>
yea ill give it a try thnx
01:24
i was able to chroot and run update etc but something still doesnt seem right, the i386.img is only 450+- MB when i think it should be 650+- so im not sure :/
01:27
<muppis>
Let me take a quick chekc for my owns.
01:28
What 'file i386.img' (without quotes) says?
01:28
<dyllan>
its /opt/ltsp/images/i386.img
01:29
<muppis>
Put in terminal: file /opt/ltsp/images/i386.img
01:30
In our testbed, file is 544 M
01:31
<Merwin>
Is it possible to have per-client configuration with LTSP (depending on MAC for example) ?
01:31
<dyllan>
hmm
01:31
<muppis>
Merwin, yes. Take a look at man pages of lts.conf
01:31
<Merwin>
Thanks
01:34
So we can define a section with the MAC address nice. And is it possible to do this for groups of addresses ?
01:36
<muppis>
I'm not sure how directly this is possbile, but at least one example is in end of man page.
01:36
*possible
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01:48
<dyllan>
Merwin, yes it is possible, if all your units start with 00:32:EA etc then you can just create one file name it the first 3 credentials and voila all the units that have mac starting with those credentials will use that to boot etc
01:49
<Merwin>
euh, the problem is that I can't choose my MAC :D
01:49
But thanks for the tip ;)
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01:52
<dyllan>
what do you mean you cant 'choose' ?
01:56
<Merwin>
Mac addresses are fixed
02:01
<dyllan>
you dont need to
02:01
get the mac from your machine, create a new file with info and update lts.conf with details for that unit
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02:52
<dyllan>
is there any additional configuration needed to mount a usb digital camera via think client in ltsp? A flash drive works 100% but the digital camera is not even noticed ie. no entry in dmesg for the camera when its plugged in.. .
03:14
<muppis>
Is camera plugged in mass storage mode ?
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03:19
<dyllan>
muppis, yea
03:19
it works on my ubuntu laptop same version etc
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03:36
<muppis>
dyllan, sounds odd. Does that USB port in client work at all?
03:36
<dyllan>
yup
03:36
works fine
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04:38
<mlky>
hello, when i try to login on the ltsp client machine, i get "no response from server.. restarting"
04:39
i can log in via terminal
04:39
on the client
04:41
ps. hai gais
04:44
anyone have a clue as to why i get this error? its a local test network with only the client and the server, also i dont know which logs to look at for information in regards to ltsp
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05:03
<Merwin>
If somebody is familiar with LTSP Cluster: http://sourceforge.net/mailarchive/message.php?msg_id=27585670 ;-)
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05:11
<Gnoze5>
hello
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05:26
<veloutin>
hello
05:27
<Gnoze5>
veloutin :)
05:27
<veloutin>
Gnoze5:)
05:38
<mgariepy>
Merwin, did you move your client into the right node?
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05:40
<Merwin>
mgariepy: Yes, that's why I don't understand :-(
05:40
<mgariepy>
open a console on you thin client
05:41
<Merwin>
ok
05:41
<mgariepy>
as root :)
05:41
getltscfg-cluster -a
05:41
do you see you attributes ?
05:42
<Merwin>
I'll test
05:42
It boots ;)
05:42
<mgariepy>
ok :)
05:43
<alkisg>
ltsp-cluster doesn't automatically handle /home and authentication sharing, right? The sysadmin is expected to do those manually?
05:44
<mgariepy>
sure you need to mount a shared folder for your appserv to share the files between machines
05:45
<Merwin>
mgariepy: Euh wait, I can't log in anymore... don't leave I'll come back :D
05:45
<alkisg>
mgariepy: and about authentication? the sysadmin installs e.g. LDAP?
05:45
<mgariepy>
for guest login though, the account gets created when the user click.
05:45
yeah we usualy use ldap for auth, and configure it on the servers
05:46
<alkisg>
Any specific how-to's somewhere? Or the generic ones for LDAP suffice?
05:47
<mgariepy>
a generic one should suffice :) as long as you can authenticate using your ldap credential with ssh it's going to work
05:47
<Gnoze5>
hm
05:47
mgariepy do you use the same LDAP auth to give access to apps running in windows over TS in a seemless window on the client side?
05:47
<alkisg>
mgariepy: thanks :)
05:47
<_UsUrPeR_>
Hey all. A question about DVI: does anybody know what causes a DVI monitor to go to sleep when it's plugged in to a DVI monitor output?
05:48
<veloutin>
Gnoze5: the OpenLDAP server also acts as a PDC, so it does win auth too
05:48
<_UsUrPeR_>
I am trying to figure out why one of our clients will not shut off a monitor when the monitor is plugged in to it.
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05:49
<_UsUrPeR_>
It seems like a loop is created when the DVI monitor is plugged in to other DVI ports. It does not require power to put the monitor to sleep...
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05:50
<veloutin>
_UsUrPeR_: I don't know anything specific about this, but... did you try it with a different monitor/client to rule out the hardware problem?
05:51
<_UsUrPeR_>
veloutin: yeah, the monitor powers on and everything. It's just when the client is off, there appears to be a problem. Instead of the monitor going to sleep, it says that the cable has been unplugged.
05:51
<Gnoze5>
veloutin im just concerned about licensing
05:51
lets say i want to run MS Word on the thin client
05:51
does it have to be running on Windows Server?
05:52
or can it be running on win 7?
05:52
<Merwin>
mgariepy: I've got errors with permissions
05:52
<Gnoze5>
and what licenses re required?
05:52
<Merwin>
Should I run the command as root on he local xterm?
05:52
<veloutin>
Gnoze5: IIRC, you need a TS server and licenses for each simultaneous user
05:53
<Gnoze5>
veloutin as i thought, is the technical implementation difficult?
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05:54
<Merwin>
mgariepy: I can't log in as root with sudo in the chroot environnement :x
05:55
<mgariepy>
didn't set a root passwd ?
05:55
<Merwin>
Nope :x
05:55
Will do it, and rebuild the image ,and reboot, and run the command.. :D
05:55
<veloutin>
Gnoze5: I don't think it's very complicated
05:57
<Gnoze5>
essentially you use a TS client that does the whole login open the app and put it on a window like any other programa on the client side?
05:59
<mgariepy>
Gnoze5, the seemless with rdekstop isn't really good, the rdpshell thing is only running a whole destktop then cut the app for rdesktop program.
05:59
<Gnoze5>
mgariepy are there any other real alternatives'
06:00
<mgariepy>
wine/crossover might work depending one the app you want to run.
06:00
<Gnoze5>
word..
06:00
outlook
06:02
<mgariepy>
maybe you could run the session on a windows TS
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06:04
<Gnoze5>
hm I wonder if there is a way to do it without having to have a server license
06:04
just use existing windows 7 licenses
06:04
<mgariepy>
no
06:05
<Gnoze5>
annoying
06:05
but in case of wine
06:05
<mgariepy>
i don't think there is a way to run applications on a windows without having to pay for the users...
06:06
wine would work but you'll need the licenses for office.
06:06
<Gnoze5>
yeah licenses for office we get through volume licensing for non-profits
06:06
even windows 7 licenses
06:06
server licenses are hard to get though
06:06
<Merwin>
mgariepy: I just have 'CLUSTER_CONFIGURED=True'
06:06
That's the only one
06:07
<mgariepy>
maybe you should talk to a MS seller or something..
06:07
ok
06:07
if you go in ltsp-cluster-control webui
06:08
<Merwin>
yep I'm in
06:08
<mgariepy>
Merwin, if you click on log
06:08
you see you client ?
06:09
seems to me that the client isn't in the right node.
06:09
<Merwin>
"2011-06-01 15:05:46 3 00:0D:56:8F:66:02 192.168.2.10 192.168.2.1 192.168.2.1 thibaut User login"
06:10
Node 3
06:10
<mgariepy>
click on "3"
06:10
you will get in the terminal configuration
06:10
<Merwin>
It opens the config window if the computer (MAC Address identified)
06:10
yep
06:11
<mgariepy>
current configuration displays what at the bottom of the screen ?
06:11
<Merwin>
Nothing
06:11
<mgariepy>
is the client at the right place in the "node tree"
06:13
<Merwin>
mgariepy: http://img4.hostingpics.net/pics/469297CaptureLTSPClusterControlCenterMozillaFirefox.png
06:13
<alkisg>
Gnoze5: then use vbox images with windows 7 :)
06:13
<Merwin>
I'm not sure it's in the right place...
06:13
<Gnoze5>
hm vbox..
06:14
<alkisg>
You can even put that on a fat client so that it runs locally on the thin client
06:14
<mgariepy>
click on nodes, in the bottom select the correct node where it should be
06:14
<alkisg>
erm...
06:14
<mgariepy>
then click on "go"
06:14
<alkisg>
OK didn't phrase that correctly :D
06:14
<Gnoze5>
alkisg what was that sentence?
06:14
lool
06:15
<alkisg>
brain damage :D I mean that you can run vbox either on the ltsp server, or locally on the clients
06:15
So you can have semi-fat clients that only show a vbox screen, no ldm or anything
06:16
<Merwin>
mgariepy: I put it as a child of the root node
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06:16
<mgariepy>
you should put the client as a child where you have set your attributes
06:16
<Merwin>
ok
06:17
<Gnoze5>
We have so far convinced 5 organizations to take part in our pilot test with ltsp
06:17
<Merwin>
mgariepy: So no attributes in the root node?
06:17
<Gnoze5>
and what all of them essentially demanded in terms of legacy support was a way to access to a MS Office on a regular basis
06:17
<mgariepy>
i usually set all attributes in root node except for the printers stuff
06:18
<Gnoze5>
to either convert docx
06:18
or if they had to work on a docx document sent by a governement branch for some specific projects
06:18
<mgariepy>
then i create node for building/rooms then put my clients in there
06:19
<alkisg>
Gnoze5: in my experience anyone that isn't willing to switch from ms office to openoffice, shouldn't switch to a linux desktop, he'll have other problems too... So I'd use windows desktops for them (VMs, rdp, citrix, whatever) for them
06:19
<Merwin>
mgariepy: I created a child node, and put it inside. I configured the child node, but their still have nothing into "Current configuration"
06:20
<mgariepy>
this way you can have different printers depending on the physical location of the thin client.
06:20
<Merwin>
If I give access to the admin panel can you check ?
06:21
<mgariepy>
yeah i can take a minute to check it out
06:21
<Gnoze5>
alkisg they are willing to switch to open office, they just cant control specific cases where the project standard is docx
06:21
so
06:21
99% the times they use open office
06:21
<alkisg>
Gnoze5:ah ok I thought you said "regular basis"
06:22
<Gnoze5>
i did
06:22
<alkisg>
So you could cover the 1% with just a few windows desktops?
06:22
<Gnoze5>
they essentially want 1 backup
06:22
yeah
06:22
our idea is to use straight RDP maybe
06:22
like have a windows desktop on the network with office installed
06:22
and whoever needs to access office
06:23
just rdps in
06:23
<alkisg>
Yup sounds easy enough, even if that is just a VM
06:23
Virtualbox clones on demand can even be scripted
06:24
<Gnoze5>
my question is
06:25
can I make that RDP normal session into a single window running a specific app?
06:26
<alkisg>
I think freerdp has a bounty for that
06:28
http://www.freerdp.com/wiki/doku.php?id=tsoc TS RemoteApp (Seamless Applications over RDP)
06:29
<Gnoze5>
I see, not implemented yet
06:29
http://linuxologist.com/apps/run-windows-apps-100-seamlessly-on-ubuntu/
06:30
this guy does it somehow though
06:30
with seamless RDP
06:30
but this implies a TS Server
06:30
so a Windows 7 Machine wont exactly work
06:34
<alkisg>
I think seamless rdp, the way rdesktop does it, isn't seamless, it just has a transparent background
06:34
Vbox does the same too. A little helpful, but not the same as remoteapp in ms rdp 6.1
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06:42
<Gnoze5>
hm
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07:12
<Merwin>
Hum, I just made X crash on a thin client, but it can't restart automatically, it tries but never restart. Using Ctrl+F1 to access a console works, but each time it restarts it switch to Ctrl+F7 console. Is there some logfiles I can check to understand what's the problem ?
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07:27
<nivardus>
if I have a seperate dhcp server and point next-server to the ltsp server, do I need to have dhcp running on the ltsp machine or is tftp sufficient?
07:42
<alkisg_web>
nivardus: tftp is sufficient
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10:40
<pmatulis>
any tricks getting usb cd writers to work on clients?
10:41
<Gnoze5>
ok i managed to get TS remoteapp seamlessly
10:41
interesting.
10:41
<_UsUrPeR_>
I have solved my own question about the DVI problem I was having earlier this morning: Pin 15 needs to be grounded. If it is not grounded, a DVI monitor will not know that it is plugged in to a DVI output.
10:45
<Gadi>
pmatulis: run a cd-burner app as a local app
10:45
_UsUrPeR_: how did you manage to not ground a pin?
10:45
have you been splicing things again?
10:46
:)
10:46
<_UsUrPeR_>
Gadi: this is going to have to be rectified by a manufacturer
10:46
<Gadi>
ah
10:46* _UsUrPeR_ takes out the brass knuckles
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11:56
<abeehc>
Gnoze5: I'm interested!
11:57
which route did you go
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12:20
<warren>
Gadi, hey
12:20
Gadi, what kind of thin clients you selling these days? (chipset)?
12:21
<Gadi>
hey, warren
12:21
atoms and vias
12:22
<warren>
Gadi, atom with intel video?
12:22
<Gadi>
yup
12:22
<warren>
Gadi, what via chipset? how's open source driver support?
12:22
<Gadi>
the binary driver support is better
12:22
<warren>
in what ways?
12:22
<Gadi>
I have some CN700s and some CN896
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12:23
<warren>
Gadi, and aren't the binary drivers compatible with only certain versions of x and kernel?
12:23
<Gadi>
well, with binary, I get much better support for dual monitors, dvi, etc
12:23
the source is available
12:23
but their Linux team is small
12:23
so it is kinda catch as catch can
12:23
once upon a time, they were supposed to work with the openchrome folks
12:24
not sure what the story was
12:24
<warren>
source available, but not open source license?
12:24
<Gadi>
but, I notice they continue to publish new binaries on their site
12:24
<warren>
Gadi, there's bad blood between via and the open developers
12:24
<Gadi>
ah
12:24
lovely
12:24
:)
12:24
<warren>
the desire to sell products almost broke down that barrier
12:24
but sounds like they're continuing to fuck themselves
12:24
<Gadi>
they need a bts, like us
12:25
:)
12:25
then, they wouldnt get so grumpy
12:25
<warren>
what do you mean by "source is available"?
12:25
<Gadi>
go to linux.via.com.tw
12:25
and play with the pulldowns
12:26
<warren>
it's actualy source that matches the binaries?
12:26
<Gadi>
you will see that some combinations lead to source code
12:26
yeah
12:26
but, I think you need to know Chinese to decipher how to compile it
12:26
:)
12:26
even with the binaries, some work, some don't
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12:27
<Gadi>
but, some features (like dual head) force me to spend the time to find the right combo
12:27
<warren>
Gadi, what's the price difference between the atom and via clients?
12:27
Gadi, which sell better?
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12:27
<Gadi>
via is still cheaper (for now)
12:27
<warren>
how much cheaper?
12:28
<Gadi>
it varies a lot - but, longer term, I think we will do more atoms than vias
12:29
<warren>
Gadi, I'm working on EL6-based LTSP (and later SPICE-based terminal servers) and I need to borrow modern chipset thin clients to be sure they are supported.
12:29
Gadi, I no longer have corporate support.
12:29
<Gadi>
yeah, Ive been watching the campaign
12:29
:)
12:29
good for you!
12:29
<warren>
Atom is at least easy to support
12:29
<Gadi>
it is quite the mitzvah
12:30
sotospeak
12:30
not sure what SPICE-based terminal servers means exactly
12:30
I was under the impression spice needed VDI
12:30
ie 1 VM per user
12:30
but, I may be misinformed
12:31
<warren>
yes
12:31
<Gadi>
yes?
12:32
<warren>
1 VM per user
12:33
VM's are created and destroyed on demand
12:33
<Gadi>
ah
12:33
aside from all the server-side mojo, doesn't that not really impact LTSP short of a spice screen script?
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12:37
<Gadi>
warren: when do you start business school?
12:37
<warren>
Gadi, August
12:37
<Gadi>
excited?
12:37
<warren>
Gadi, I don't see a way to integrate LTSP and SPICE at all
12:37
Gadi, meh
12:38
<Gadi>
LTSP, to me, is the booting part
12:38
not so much the app server
12:38
wouldn't you network boot the clients and launch the spice client
12:38
to connect back to the server?
12:42
<warren>
Gadi, oh. right. yes
12:45
<Gadi>
why don't you make the LTSP server one of the VMs
12:45
if they want terminal services, they use LDM, if they want spice, they use spice
12:46
and everything is just a guest os
12:47
<warren>
Gadi, yeah, that is an idea.
13:05
whoa. somebody just donated 200 euros out of the blue.
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14:36
<jcbm>
please alksig, i need to know where do I put my java app to be used in the thin clients
14:37
hello
14:39
<alkisg>
jcbm: I told you 5 steps, which ones did you do?
14:40
<jcbm>
the ltsp-localapps xterm was executed, and the usb was recognized
14:41
14:41
specifically java
14:41
i dont remember where do i put my app to be runned on the thin clients
14:44
<Hyperbyte>
In the client chroot? /opt/ltsp/i386/
14:44
Just put it in there, in the place where you'd normally place it in the filesystem. Then ltsp-update-image
14:45
(I have no idea where java apps are supposed to go, but as long as they're in /opt/ltsp/i386/ they're on the client)
14:45
<jcbm>
so, how can i execute it on the client
14:45
after copy it
14:46
<Hyperbyte>
I have no idea how you run java apps, but just like you'd execute any other app, but via ltsp-localapps.
14:46
<jcbm>
i have copy it on that path, but i don't know how can i access to the app?
14:47
<alkisg>
At which path exactly did you put the app?
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14:49
<jcbm>
"/opt/ltsp/i386/usr/sbin"
14:50
<alkisg>
How do you run the app normally? With what command?
14:50
<jcbm>
java -jar app.jar
14:51
<alkisg>
OK. Sit on a client. Run ltsp-localapps xterm
14:51
On that xterm, run: ls -l /usr/sbin/app.jar
14:51
Is the file there?
14:52
<jcbm>
let me see
14:53
nop it's not there
14:53
<alkisg>
Then you missed some step.
14:53
Now on the server, try: ls -l /opt/ltsp/i386/usr/sbin/app.jar
14:53
Is the file there?
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14:54
<jcbm>
yes
14:54
it's in the server
14:54
but not in the thin client
14:54
<alkisg>
Then you didn't run ltsp-update-image
14:55
So run: sudo ltsp-update-image
14:55
And then reboot the client
14:55
<jcbm>
ok wait pls
15:03
thanks
15:03
my app is working
15:03
one question
15:04
how can i do to make the app get working when the server or thin client is rebooted
15:04
<alkisg>
I didn't understand your question, can you rephrase it?
15:05
If you reboot the server, the client will crash...
15:05
<jcbm>
no no
15:06
i need my app working when the server or the thin client will be rebooted
15:06
<alkisg>
You mean that you want it to autostart?
15:07
<jcbm>
yes
15:07
that's it
15:07
<alkisg>
Is this the only application you want to run? No user login, no gnome, nothing else?
15:08
Or do you want some user to login and then that app to autostart?
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15:09
<jcbm>
no it's the only one app
15:10
<alkisg>
Then the best way would be to make a screen script for it
15:10
like this one : /opt/ltsp/i386/usr/share/ltsp/screen.d/rdesktop
15:10
You need a little shell skills for that
15:10
If you *can't* do it, here's another, simpler way:
15:11
1) http://manpages.ubuntu.com/lts.conf ==> see LDM_USERNAME and LDM_PASSWORD for how to autologin a user
15:11
2) Create a .desktop file in /etc/xdg/autostart on the server
15:11
On that file, call `ltsp-localapps java -jar /usr/sbin/app.jar`
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15:11
<alkisg>
That would also do it
15:12
(it would be slower and need more users and more ram, but it's simpler to implement
15:13
<jcbm>
ok, let me see, on the first way i should make a shell script similar to rdesktop
15:13
on the other hand, i need to call the script via lts.conf
15:14
is that correct?
15:17
<alkisg>
Right, with SCREEN_07=myapp
15:20
'night all
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15:57
<Gnoze5>
gentlmen!
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15:58
<Gnoze5>
so
15:59
i got seamless rdp working with rdesktop on a thin client with 2008 r2, but i have an issue with the windo itself
15:59
theres two windows, the x window and the windows window
15:59
both work the same, minimize yada yada, but its nnaoying having the two
16:00
<abeehc>
im really interested but just got home, your using the c:\seemless server side binaries?
16:00
<Gnoze5>
abeehc yep
16:00
<abeehc>
familiar with the switches? I think there's one for that thought i'm not sure it worked
16:00
<Gnoze5>
not at all
16:00
<abeehc>
i gotta race back in a few; ok lemme see if i can link
16:01
<Gnoze5>
the resolution and depth switches?
16:01
stuff like that?
16:01
<abeehc>
actually
16:01
yeah
16:01
in the rdesktop man page it should mention the switches
16:01
i;m thinking it's -s or -A
16:01
<Gnoze5>
yeah
16:01
im using those
16:01
-A for seamless
16:01
-s for shell
16:02
and im running the binaries from the server side
16:06
still the same problem
16:06
annoying
16:06
to say the leat :)
16:12
<abeehc>
hmm
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16:13
<abeehc>
-S
16:13
is what i meant
16:13
http://linux.die.net/man/1/rdesktop
16:13
pretty sure.. at the same time, i think my one windows app wrapped like this still has the two sets
16:14
but I also didn't use the server components heh
16:19
<Gnoze5>
hm
16:19
let me try
16:21
-A and -S dont go together
16:21
<abeehc>
there has been some recent movements with rdesktop but i think most are moving to freerdp
16:22
this might be zen but i havent looked to close
16:22
http://davelargo.blogspot.com/2011/04/road-to-seamless-windows.html
16:22
<Gnoze5>
from what i read freerdp does not have seamless working yet
16:23
so i should be using 1.7
16:23
lol
16:23
<abeehc>
i think that's a good bet yeah
16:25
not sure if there's a legit ppa out there but this one works http://goo.gl/eabp1
16:25
http://sourceforge.net/projects/rdesktop/files/rdesktop/1.7.0/ -changelog
16:26
as i recall there wasn't anything specific to do with seamless from 1.6
16:27
<Gnoze5>
time to adventure..
16:37
i wonder if they used 2008 R2
16:38
<abeehc>
i'm not clear if that blog is.. but as you are likely aware it's supposed to be a feature of r2
16:38
i haven't seen that work or even tried windows to windows type thing
16:38
and I'm pretty confident both freedrp and rdesktop have yet to implment anything that does take advantage of whatever ms has done there
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16:48
<Gnoze5>
hm
16:48
abeehc different problems :P
16:56
annoying, very,
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18:24
<Gnoze5>
i did it!!!!
18:24
hah
18:24
lol.
18:24
:)
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18:31
<Gnoze5>
http://bit.ly/jTvmVw
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20:24
<warren>
Got local apps to work on LTSP EL6. Somehow nc broken was breaking localapps.
20:24
ltspfs is still broken for some reason I don't understand.
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00:00--- Thu Jun 2 2011