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Re: [X2go-dev] Hardware Requirements, Stability
by Heinz-M. Graesing 03 Nov '09

03 Nov '09

> -----Ursprüngliche Nachricht----- > Von: <Peter.Seckler(a)gmx.net> > Gesendet: 03.11.09 07:07:01 > An: x2go-dev(a)lists.berlios.de > Betreff: [X2go-dev] Hardware Requirements, Stability > Hi everyone, Hello Peter! > first, I have to say, I am really impressed of what I read about x2go and its features. Even more so bacause it doesn't seem to be sponsored by a big company. Good work! Thank you! > I'm about to set up a lan with a single server and 15 clients in a nursing home for older and mentaly ill people and I have a few questions. It's not development related, but since there is no other mailing list, i'll post it here. No Problem - we've decided to keep everyting here on one place. > 1. Hardware requirements for the clients: I haven't found anything on the site or in the docs, except in the "linux pro magazine" article where it says: > > This said, the Qt engineâs SVG renderer > will take 5 seconds to display the > login manager under these circumstances. > > So, if 800 MHz is not enough, what would be enough? What about RAM? It is not easy to define real limits. The Nokia N810 for example has a CPU (arm) with 400Mhz and is working perfectly. But I've seen to a Via Thin Client with 1 GHZ performing really poor because of it's GPU. If you use the GTK Client, you won't need time to render SVG, but I don't think it is a real problem, if the initial display with the user information would take 4-5 seconds. More important would be, if the local device has enough power to encode and display the remote screen. Because I don't have a hardware DB with user experiences linked to devices, I only can say - please test your device. Paul has already answered so thank you Paul! > 2. Hardware requirements for the server: any advice concerning cpu and RAM for 15 clients, running, say, KDE (pretty basic, without most of the bells and whistles), firefox and openoffice? KDE has a very small footprint, but OOo and FF can really stress a server - especially if you use flash. The number of instances will be mainly limited by your RAM. You can ignore the needed ressources for the terminal server and only count the numbers of application instances. A typical setup would be 25 users on a Dualcore/8GB system, but again - the result will be based on your applications and document sizes. > 3. I'd like to use diskless clients which get their boot environmnet and their kernel from the server at boot time and using x2go as the display manager. Do I have to install the regular x2go server or would the x2go server ONE be enough? We've only described the Installation with LDAP but you also can use x2goserver-one for the boot environment. The diffference would be, that you won't have a user browser. > 4. And finally, how stable is x2go? Do you guys use it in a production environment? I have no problem filing a bug report here and there for minor things in a project like this, but those shouldn't be serious issues. If bad things happen in any significant frequency, I'd have to use nomachines nx, although I am an open source fan and would rather use x2go. X2go is used in bigger schools (1200 students) in enterprises and companies. Some of them are using a supporting company for help. Linux4afrika and Linux4paraguy are supporting a lot of schools - some even in germany. > Thanks for reading this lengthy post. I hope you find the time to answer some (or all) of my questions. Greetings, Heinz ______________________________________________________ GRATIS für alle WEB.DE-Nutzer: Die maxdome Movie-FLAT! Jetzt freischalten unter http://movieflat.web.de

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Re: [X2go-dev] General question`s
by Sauron99＠gmx.de 03 Nov '09

03 Nov '09

Hi, I have had some time to test a bit around with the sound issue`s I had. After I have filled in what`s described here http://www.pro-linux.de/berichte/x2go-ubuntu.html at the end of the Page. It works now with the x2goclient for Windows. They are able to use the sound. When I try to connect from a Debian Machine for example it won`t work. I have no idea why but if Im trying to log in as the same user from a Windows client it works fine. At least a bit oft it ;). YouTube and other video platforms won`t work. I think this is a pulseaudio related thing. Unfortunately Videos are too slow. Would it help to install the commercial Graphics driver from ATI for instance on the server? Or are there any other possibilities to speed things a bit up? Greetings -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01

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Hardware Requirements, Stability
by Peter.Seckler＠gmx.net 03 Nov '09

03 Nov '09

Hi everyone, first, I have to say, I am really impressed of what I read about x2go and its features. Even more so bacause it doesn't seem to be sponsored by a big company. Good work! I'm about to set up a lan with a single server and 15 clients in a nursing home for older and mentaly ill people and I have a few questions. It's not development related, but since there is no other mailing list, i'll post it here. 1. Hardware requirements for the clients: I haven't found anything on the site or in the docs, except in the "linux pro magazine" article where it says: The current X2Go system requirements include a display of 640x800 or more and a client machine with an 800MHz CPU. This said, the Qt engine’s SVG renderer will take 5 seconds to display the login manager under these circumstances. So, if 800 MHz is not enough, what would be enough? What about RAM? 2. Hardware requirements for the server: any advice concerning cpu and RAM for 15 clients, running, say, KDE (pretty basic, without most of the bells and whistles), firefox and openoffice? 3. I'd like to use diskless clients which get their boot environmnet and their kernel from the server at boot time and using x2go as the display manager. Do I have to install the regular x2go server or would the x2go server ONE be enough? 4. And finally, how stable is x2go? Do you guys use it in a production environment? I have no problem filing a bug report here and there for minor things in a project like this, but those shouldn't be serious issues. If bad things happen in any significant frequency, I'd have to use nomachines nx, although I am an open source fan and would rather use x2go. Thanks for reading this lengthy post. I hope you find the time to answer some (or all) of my questions. Best regards Peter -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser

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Remote sound/remote USB device access
by Michael Hierweck 02 Nov '09

02 Nov '09

Hi x2go folks, first of all - is there a user mailinglist available? If have just successfully setup x2go on a Debian Lenny based server and a set of diskless remote booting thin clients. (I talked about "hacking" Debian's boot process merging a read-only nfs filesystem and tmpfs in order to easily remote boot x2go clients some months ago.) Nevertheless remote sound and remote USB device access refuses to work. Is there a piece of documentation/howto on this topic? E.g. does pulseaudio has to be installed, enabled as daemon on the server/client side? Howto test, debug...? Do remote sound/USB device access require any configuration on the server/client side? Thanks in advance Michael

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General question´s
by Sauron99＠gmx.de 02 Nov '09

02 Nov '09

Hi, > Hmm, I know this problem. But I thought the bug was repaired. Are you > using the latest version? In the past I did this: > > vi /usr/bin/x2gostartagent > Direct after "x2goagent" on line 171 I've added "-dpi 96". > ------- > 171c171 > < LD_LIBRARY_PATH=$X2GO_LIB x2goagent -$SESSION_TYPE -geometry > ${X2GO_GEOMETRY} -name "X2GO-${SESSION_NAME}" ${NX_AGENT} > 2>${SESSION_DIR}/session.log & > --- > > LD_LIBRARY_PATH=$X2GO_LIB x2goagent -dpi 96 -$SESSION_TYPE -geometry > ${X2GO_GEOMETRY} -name "X2GO-${SESSION_NAME}" ${NX_AGENT} > 2>${SESSION_DIR}/session.log & > 184c184 > -------- Yes of course Im always up to date with my Debian :). I could fix the Problem with your solution. Hopefully it´s been done in the next release. > I have experiences with older versions of Nomachine NXlcient with FreeNX > what also uses NX, and my experience is that bigger moving things like > films will not be nice shown. But maybe NX has become better on this > point. > Maybe it will be better in the future or is it sure? Where do I find the NX version X2GO is using? Will there be newer versions in the near future? > Flash gives another problem (with older NX). Sometimes customers are > calling me that everything is very slow in the session. Other sessions > on the same server don't have that problem. This is always a flash > problem. I ask them to close all browser windows and the problem is > gone. They had a site with some flash open. > > Another point about flash: I have heard that it uses much CPU on the > server. I have also heard that the (beta) 64-bit version is better then > the 32-bit version on this point. > Hmh I hope that Flash and Java will work fine because it´s really necessary for Schools to watch video´s and Java Animations´s online. But first I have to get sound working. I have tried it yesterday with the GTK X2goclient but Gnome won´t play any sound at all. It just says that there is no Audio device in my machine and that´s it. Do I have to install pulseaudio or any other Packages manually? Greetings -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01

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x2go test
by kamerun＠immerda.ch 02 Nov '09

02 Nov '09

hello, we are testing x2go. we made an installation with debian lenny with xen and an x2goserver as virtual machine without ldap. (with ldap it was never working) it works but the sound is not going. what are the conceptual differences between NX and X2GO concerning the treatement of local device, for example audio card. another problem: in LTSP we have a file lts.conf, where the client can be separetely configured, exist such a file in x2go? we just test test the x2goserver-one as package in a xen virtual machine the client will not start, it says Connection failed 192.168.1.86: cat: /home/a/.x2go/C-a-50-1256917694_stDGNOME_dp32/cmdoutput: No such file or directory i control on the server, this file does not exist. test of x2goserver-home on ubuntu machine ubuntu 9.10 (not as xen virtual machine) client works fine. paul michel

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Re: [X2go-dev] x2goclient hangs on login
by Heinz-M. Graesing 29 Oct '09

29 Oct '09

> -----Ursprüngliche Nachricht----- > Von: <Sauron99(a)gmx.de> > Gesendet: 23.10.09 08:27:33 > An: x2go-dev(a)lists.berlios.de > Betreff: Re: [X2go-dev] x2goclient hangs on login Hello > Hi, > so let me see if I got this right now. The users which are in /etc/group have to be in the LDAP tree as well to guarantee that X2go works right? You should have the users only in one place. If you wan't to use LDAP - keep them in ldap. The initsystem command in the x2goldaptools imports al users and groups into the ldap tree. What happens if you keep them in both places? The system gets confused by setting passwords. Some commands may alter the LDAP tree, because they are made for ldap, other tools may touch the files or use what is configured unter /etc/nsswitch.conf. X2goclient for example NEEDS the users in the LDAP tree to display them in displaymanager mode. > Well Im sorry but im pretty new with LDAP and so I have just added my users with "adduser user x2gousers" like it is described in the manual. I would really love to try X2GO out with LDAP support to have the full functionality, especially the Thinclient things. I recommend this manual: http://www.x2go.org/fileadmin/doc/installation_x2go_debian_en.html What is done in this manual? Our config scripts are generating preferences for your system, so the LDAP can be startet without touching every needed file. In the end you'll get a typical LDAP installation with SSL security. There is nothing special about this installation so you can even use other tutorials about configuring LDAP. If you wan't to have a nice look inside your LDAP tree, I recommend the tool "LUMA" - a graphical LDAP browser. > Basically I have just done whatŽs in the manual without giving a [LDAPMASTER URI] in the genconf Script and creatings the certificates. I have no idea how to check that LDAP is working correctly. Add an user to the LDAP - only to the LDAP. Try to log into the system using this user - if your LDAP + authentification is ok, you'll be able to get into the system. Greetings, Heinz ______________________________________________________ GRATIS für alle WEB.DE-Nutzer: Die maxdome Movie-FLAT! Jetzt freischalten unter http://movieflat.web.de

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Re: [X2go-dev] General questionŽs
by Heinz-M. Graesing 28 Oct '09

28 Oct '09

> -----Ursprüngliche Nachricht----- > Von: "Alternativende" <sauron99(a)gmx.de> > Gesendet: 28.10.09 17:38:46 > An: x2go-dev(a)lists.berlios.de > Betreff: [X2go-dev] General questionŽs > >> > > > > Maybe test x2go first without LDAP. > > And don't change to LDAP before it works fine... > > > > With regards, > > Paul van der Vlis. > > > > > Hi Paul, > Hi List, > There are a few things I was wondering about during my tests and I want > to report it. Maybe itŽs my fault, but the fonts are quite small in > Gnome. Is this a bug or do I have to reconfigure something first? > > Also I have a general question: As I said before Im testing on a HP > DL360 machine and unfortunately this machine has no soundcard at all. Is > it possible to use the soundcard of my Client or do I have to add a > soundcard to get this working? You'll only need a "soundcard" on your client, but you'll need to make sure that every application using sound will be able to use your setup. If you choose pulseaudio for example, not every application uses the preferences of your desktop environment. Players like Amarok, Vlc or Xine do have their own audio backends with plugins, which also need to be configured to use pulseaudio. > The other thing I was wondering about is the performance. I know that is > not possible to do crazy Blender stuff with a Terminalserver, but it is > possible to watch DVDŽs , Youtube or things like that? I have tried it > but it seems to stuck here. Somehow ADSL seems to be the best speed > Configuration anyway because normal Office work or Testris ;) for > instance stucks when I choose LAN. This happens even if Im just > connected to the server with one client. With pulseaudio configured for the flash player the audio track will be priorised. This means, the audio track will be played without breaks (if possible), but the video will be forced to follow the audio track. This is a progress in comparison to the situation before. Greetings, Heinz _______________________________________________________________ Neu: WEB.DE DSL bis 50.000 kBit/s und 200,- Euro Startguthaben! http://produkte.web.de/go/02/

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(no subject)
by Admin Anusan 26 Oct '09

26 Oct '09

hi everybody, so here is my first post. my enviroment: 1x debian lenny in a vmware-server session as terminal server 1x debian lenny in a vmware-server session as postgres database 1x debian lenny in a vmware-server session as ldap server 1x debian lenny in a vmware-server session as samba domain server so is there a way to: - start the x2goclient-cli without user and password directly into gdm, xdm or kdm - make the no-sound option work on the x2goclient-cli - are there plans for a ncurses version ? greetings Alexander Bruchmann

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Re: [X2go-dev] Errors starting gnome-session
by Moritz Schuepp 26 Oct '09

26 Oct '09

Hi, On Mon, 26 Oct 2009 13:07:47 +0100 Paul van der Vlis <paul(a)vandervlis.nl> wrote: > Hmm, is this maybe about a SSH key on the client then? correct. I created a ssh-key in /etc/ssh/ on the client and the errors are gone now, thank you! Hm... Why checks x2goclient for a ssh_host-key in /etc/ssh/ on the client? Kind regards, Moritz

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