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Re: [X2Go-User] local X server fails to accept the connection?
by Grigory Shamov 21 Feb '19

21 Feb '19

Thanks! The client OS is in fact Windows, and I think they only have single user (like home edition or whats it called). We have tried connecting via putty and straight SSH works. We have tried giving x2go client a standalone VcxSrv but didn¹nt help. Is there a , I guess, well defined setting (local port(s) for X11?) to specifically check Antivirus for? -- Grigory Shamov WestGrid Site Lead / HPC Specialist University of Manitoba E2-588 EITC Building, (204) 474-9625 On 2019-02-19, 4:12 AM, "x2go-user on behalf of Stefan Baur" <x2go-user-bounces(a)lists.x2go.org on behalf of X2Go-ML-1(a)baur-itcs.de> wrote: >Am 15.02.19 um 17:00 schrieb Grigory Shamov: >> We are running X2go servers on CentOS 6 Linux; other clients (MacOS, >>other >> users with Windows 7 and 10) seem to connect fine. So the problem likely >> is with the client. I believe the Windows x2go client comes with an X11 >> server bundled with it and configured. >> >> Could anyone suggest what could be the reason for such errors, have >>anyone >> encountered them before? Any advice much appreciated! Thanks! > >If it's only happening on one client, my guess would be that the client >installation is broken somehow. > >This could be just about anything - hardware failure (disk, RAM), >malware, an overzealous AntiVirus, or just a plain misconfiguration or >filesystem error. > >The easiest way would probably be to create another user account on the >same client and try it with that one - to see if the problem is with the >user or the machine. To cross-check, have the affected user try to log >in using X2GoClient on a different machine. > >If the problem persists and is tied to the machine, the next try would >be to perform a clean uninstall of X2GoClient, reboot, then reinstall >X2GoClient from a newly downloaded copy of the installer. > >If it's tied to the user, compare group memberships both on the client >and on the server side between the affected user and a user having no >issues, also, let the user try to log in using plain SSH (PuTTY) and >possibly with X-Forwarding and a manually started X-Server on the >client, to see if the issue is with X2Go or with the underlying >operating system/permissions/whatever. > >Kind Regards, >Stefan Baur > >-- >BAUR-ITCS UG (haftungsbeschränkt) >Geschäftsführer: Stefan Baur >Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 >Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243 >_______________________________________________ >x2go-user mailing list >x2go-user(a)lists.x2go.org >https://lists.x2go.org/listinfo/x2go-user

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Low speed of x2go server
by Stroganov Roman 20 Feb '19

20 Feb '19

>Is it possible that something is slowing down the server (for example, >the server being a virtual machine, and the host running out of RAM and >thus using swap space on disk instead, or using slower hard disks than >in the old server)? All servers virtual. With identical hardware providing and on one host. >What happens when you set up a test server with a real Ubuntu 18.04 LTS, >rather than linux lite? Still slow? I did not to start a full desktop (gnome) in ubuntu 18.04. It is just disconnected. It turned out to start separately the Firefox and OpenOffice applications. It works quickly! >Is the entire desktop running slow, or only particular applications >(Firefox, for example)? Slowly works when I give a desktop. As I wrote before the application (firefox, openoffice) work quickly everywhere. LinuxLite 3.8/LinuxLite 4.2/Ubuntu 18.04 When I understood it I decided to change default style (Adapta) and icon theme (Papirus-Adapta) in LinLite 4.2 for others (did on the server not through x2go). After having connected by this user through x2go I found out that everything works quickly. I decided to double-check it. And again changed style and icons for default (Adapta) I very much was surprised, but everything continued to work quickly and well. I several times perezagrugit the x2go server every time being connected to it by the same user again and everything works quickly with windows and linux of clients. After I was connected from the thin client of TCE by the same user and all very slowly. Now I have such stable results with the user of "test" (Settings of clients identical): Windows client = quickly Linux client = quickly Thin client of TCE = very slowly Connection by any users not of "test" (Tried to change styles and icons): Windows client = very slowly Linux client = very slowly Thin client of TCE = very slowly I could not repeat magic which turned out with the user of "test" with other users. I cannot understand dependence in what prevents the x2go server to work quickly. But I was convinced that x2go the server can quickly work with linux Lite 4.2 Maybe somebody will prompt what in my case prevents x2go to work quickly? Or there can be I am mistaken what the style of a design and style of icons is guilty? There are ideas? -- С Уважением Строганов Роман

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local X server fails to accept the connection?
by Grigory Shamov 20 Feb '19

20 Feb '19

HI All, A user of our system recently come with the following errors while trying to use X2go client on Windows 10. === Info: Forwarding X11 connections to display 'localhost:0'. Session: Session started at 'Thu Feb 14 12:51:37 2019'. Warning: Protocol mismatch or no X authentication data. Session: Terminating session at 'Thu Feb 14 12:51:41 2019'. Info: Your session was closed before reaching a usable state. Info: This can be due to the local X server refusing access to the client. Info: Please check authorization provided by the remote X application. Session: Session terminated at 'Thu Feb 14 12:51:41 2019'. === We are running X2go servers on CentOS 6 Linux; other clients (MacOS, other users with Windows 7 and 10) seem to connect fine. So the problem likely is with the client. I believe the Windows x2go client comes with an X11 server bundled with it and configured. Could anyone suggest what could be the reason for such errors, have anyone encountered them before? Any advice much appreciated! Thanks! -- Grigory Shamov WestGrid Site Lead / HPC Specialist University of Manitoba E2-588 EITC Building, (204) 474-9625

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Low speed of x2go server
by Stroganov Roman 19 Feb '19

19 Feb '19

Hello! I configured x2go server on linux lite 3.8 (package base ubuntu 16.04 x64 xfce) clients on windiws, linux and the thin clients loaded with tce. Work speed very good. But I need to pass to linux lite 4 (package base ubuntu 18.04 x64 xfce) When I set Linux lite 4 and x2go server at connection to it from any client work speed very much and very low. It is impossible to work normally!: ( I use identical methods of a compression both in new and in the old version of the server. The server was installed according to the instruction on the website x2go from ppa: x2go/stable The list of the packets set at me: ii libx2go-log-perl 4.1.0.3-0~1708~ubuntu18.04.1 all Perl X2Go::Log package ii libx2go-server-db-perl 4.1.0.3-0~1708~ubuntu18.04.1 amd64 Perl X2Go::Server:DB package ii libx2go-server-perl 4.1.0.3-0~1708~ubuntu18.04.1 all Perl X2Go::Server package ii x2goserver 4.1.0.3-0~1708~ubuntu18.04.1 amd64 X2Go server ii x2goserver-common 4.1.0.3-0~1708~ubuntu18.04.1 amd64 X2Go Server (common files) ii x2goserver-extensions 4.1.0.3-0~1708~ubuntu18.04.1 all X2Go Server (extension support) ii x2goserver-fmbindings 4.1.0.3-0~1708~ubuntu18.04.1 all X2Go Server (file manager bindings) ii x2goserver-printing 4.1.0.3-0~1708~ubuntu18.04.1 all X2Go server (printing support) ii x2goserver-x2goagent 4.1.0.3-0~1708~ubuntu18.04.1 amd64 X2Go Server's X2Go Agent ii x2goserver-xsession 4.1.0.3-0~1708~ubuntu18.04.1 all X2Go Server (Xsession runner) Who faced x2go the ubuntu server 18.04? Can at 18:04 there are no necessary packets (outdated versions) or I can what I do that not correctly? I hope for your help! -- С Уважением Строганов Роман

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x2go session control panel
by Stroganov Roman 11 Feb '19

11 Feb '19

>You need to find an archive of the original nxclient binary by >nomachine in version 3.5. Then install it. Look up where it installs >the nxclient binary and change the following line in >/usr/bin/x2gostartagent: > >export NX_CLIENT="${X2GO_LIB_PATH}/x2gosuspend-agent" > >to > >export NX_CLIENT="<path to you nxclient binary>" I found the file / usr / bin / x2gostartagent only on the x2go server. Need to change on the server? I found nomachine version 3.5.0-7 and installed it. In the file / usr / bin / x2gostartagent I changed export NX_CLIENT = "$ {X2GO_LIB_PATH} / x2gosuspend-agent" on export NX_CLIENT = "/ usr / NX / bin / nxclient" After that, I restarted the server. Clients connect to the server as before. I did not find any session control panel. While I use the "magic pixel" I do not know if users will get used to it or not ... :( -- С Уважением Строганов Роман

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x2go session control panel
by Stroganov Roman 07 Feb '19

07 Feb '19

If I understand correctly, can I make a session minimization button in a session? If it can be done this will be very convenient. This should be enough. I'm sorry if you did not understand your letter correctly. My English is bad -- С Уважением Строганов Роман

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X2GO Client : automatic connection of 1 session to server
by Alessandro Albanese 07 Feb '19

07 Feb '19

Hi ! i use various installation server/client, only linux, in various situation of server and client, ubuntu, centos, and DE. Now, i need to connect some desktop to one server. I have configured one session on one client, then using command : x2goclient --sessionid=<mysession-id> This one command go perfectly, but need to write password, then i need parameter or method to set user password without prompt, and need also, parameter to set fullscreen. Ty much and best regards. A. --- Alessandro Albanese IT Department Phone: +39 0541.820.108 E-mail: [ mailto:master@itermar.it | master(a)itermar.it ]

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(no subject)
by Stroganov Roman 06 Feb '19

06 Feb '19

Hello. If I am connected with linux x2go client to the server to me the full screen, but with an opportunity to minimize or maximize it with the help by a mouse is necessary. I know about hot buttons, but it not that it is necessary for my users. And they not always work:( Whether there is an opportunity to have a control bar a x2go session in the full-screen mode as it is made in Remmina or MS-RDP-Client? I enclosed screenshots of their control bars in the letter what would be clear. If I am able to do it - help to configure it please. If there is no such function, then tell is in development plans? He is grateful for any help! -- С Уважением Строганов Роман

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X2goServer successfully connects to server, but no window is shown
by Iuri Sampaio 06 Feb '19

06 Feb '19

Hi there, After installing X2GO server, in a Debian/LXDE server, I tried to connect to it but the next window, within the console doesn’t show up, I found this discussion in the Forum, but even after installing nx-libs and x2go agent, the problem still remains. https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=516 <https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=516> The status says Finished, the console icon appears in the menu, but the console window just doesn’t come up. Then, if I tried once more, the Status box shows the last connection, in order to resume to the last session opened. Thus, it seems that the connection went through, but there is something missing in the server side to deliver console display. What package/library should be missing. p.s. logs show no errors so far. tail -f /var/log/messages | grep x2go Best wishes, I

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X2GoClient installation
by Iuri Sampaio 06 Feb '19

06 Feb '19

Hi there, In attempt to install x2go client on my Debian LXDE, I’ve noticed the installation is incomplete. Shortcuts and and libraries weren’t installed. and when I tried to start the application it doesn’t come up. X2Go console doesn’t appear in the screen. I installed x2go package through apt install ~# apt install x2goclient Do I need to install other required package ? (dpkg list is bellow) Best wishes, I

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