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How to start a new session with x2goclient on background?
by Kadyrbek Narmamatov 11 Dec '17

11 Dec '17

Hello, I found out that there are some commands provided by x2goclient commands such as `--hide` `--autostart` and etc. But I couldn't find any commands that will create a new session for me without making a user to type IP, PORT and USERNAME on GUI x2goclient. So in brief, I need the command something like "x2goclient --start --ip=192.168.11.12 --port=22 " to access remote x2goserver with given parameters. Is there any ways to handle it ?

2 1

TCE-live build
by Widu Wittekindt 08 Dec '17

08 Dec '17

Hi everybody, I'm new to x2go and I am trying to set up a thinclient environment and I try to build the live netboot image. I've been following the instructions in https://wiki.x2go.org/doku.php/doc:howto:tce#starting_the_build I did set the following export LBX2GO_CONFIG='https://github.com/LinuxHaus/live-build-x2go::feature/openbox-magic-pixel-w…' export LBX2GO_ARCH='-a amd64 -k amd64' export LBX2GO_SPACE='--apt-indices none --apt-recommends false --cache false --checksums none --firmware-binary false --memtest none --win32-loader false' export LBX2GO_DEFAULTS="--backports true --firmware-chroot true --initsystem sysvinit --security true --updates true --distribution $LBX2GO_DEBVERSION" export LBX2GO_ARCHIVE_AREAS="main contrib non-free" export LBX2GO_LANG='de' export LBX2GO_TCE_SHRINK="true"export LBX2GO_NOSQUASHFS="false"

1 0

Opening URLs on remote application
by Bill Merriam 01 Dec '17

01 Dec '17

When I run applications (such as email and web browser) on two different remote machines using SSH X-Windows forwarding they can correctly open URLs in the other application. So clicking on a HTTP link in an email launches that URL in the browser. Clicking on a mailto link on a web page launches that in the email program. If there is a name for this process I don't know what it is. Firefox talks about it here. https://www-archive.mozilla.org/unix/remote.html X2go provides me with much better performance than standard X forwarding but the URL magic doesn't seem to work. The email program launches a browser on the machine it is running on rather than the existing browser. The browser does the same thing with mailto links. The firefox link seems to suggest this magic is done with the X toolkit, intrinsic properties, and actions. There is also the MIME database to look at, and I think D-Bus might be involved. If I can figure out how it works with X forwarding perhaps I could write a patch for X2go or write a wrapper script around it that makes that possible. Can you steer me in the right direction to understand this process and what x2go code I should look at? For reference I am running openSuSE 42.3 on an X86_64 machine with the KVM hypervisor. I am using an XFCE desktop. The "remote" machines are running on virtual machines under KVM on the same hardware. My email client is Evolution 3.12.11 running on one VM and my browser is Firefox 57 running on another. I have tried both the X2goclient 4.1.0 (which I guess is C) and pyhoca-gui 0.5.0 which should be python. Maybe there is a configuration option I need to use that I missed. I can't find anything in the documentation about this feature, although it would help if I had a name for this bit of magic. If this feature isn't already there I would be pleased to write, test and submit a patch. Thanks. Bill

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Fwd: X2Go on a Mac using nightly builds to Fedora 26 keystroke problem, LibreOffice menu fonts squished and loss of focus
by Robert Kudyba 29 Nov '17

29 Nov '17

Resending to see if anyone has any ideas? > Begin forwarded message: > > From: Robert Kudyba <rkudyba(a)fordham.edu> > Subject: X2Go on a Mac using nightly builds to Fedora 26 keystroke problem, LibreOffice menu fonts squished and loss of focus > Date: November 17, 2017 at 10:53:30 AM EST > To: x2go-dev(a)lists.x2go.org > > We have a Mac High Sierra user on the nightly builds connecting to a Fedora 26 workstation also on nightly builds with x2goserver-4.1.0.0-0.0x2go1.0.git20171111.1441.heuler.fc26.x86_64 > > Using MATE, keystrokes don't echo properly. If he types "ls" into a Terminal window, a "k" appears. > > XFCE works fairly well. The main complaint is that menus on LibreOffice are all squashed together. Screenshot at https://drive.google.com/open?id=1H7RPVP0qxqB_37Slbba8rlqdcITaEiDN <https://drive.google.com/open?id=1H7RPVP0qxqB_37Slbba8rlqdcITaEiDN> > > Also, he stills getting "loss of focus". At more-or-less random times, the window in which he's typing quits reacting to his keystrokes. Clicking into the window resumes the focus. > > This is the same user that had the mixed nx-ibs packages issue.

2 1

CentOS6 Servers
by Robert Dinse 29 Nov '17

29 Nov '17

If you have users on a CentOS6 platform and it is up to date, and they use the gnome desktop, you'll probably get a pop-up that says, "Authentication is required to set the network proxy used for downloading packages An application is attempting to perform an action that requires privleges. Authentication as the super user is required to perform this action". A fix per the Red Hat solutions site: "Add X-GNOME-Autostart-enabled=false to the end of the /etc/xdg/autostart/gpk-update-icon.desktop file." This works, it also fixes a similar pop-up in vnc. -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

1 0

Can't access X2go through router
by Paul Borowicz 28 Nov '17

28 Nov '17

Bill, could this be your problem? https://wiki.x2go.org/doku.php/doc:faq:start Known Issues Can't login to x2goserver with an ECDSA key Currently, older versions of the ssh library used by X2Go called libssh are unable to work with ECDSA keys. However you may use an RSA key - if you need to - or go with the SSH default authenticating method using the remote user's password. SSH Login issue If you already use OpenSSH to get a shell on your x2go server, you may get this message when trying to connect with x2go: The host key for this server was not found but an othertype of key exists. An attacker might change the default server key to confuse your client into thinking the key does not exist This is related to the ECDSA host key (related to the previous FAQ entry - although there is a subtle difference between host and client keys.) To solve this issue, you can disable ECDSA keys on your OpenSSH server configuration, by commenting the following line in /etc/ssh/sshd_config file: #HostKey /etc/ssh/ssh_host_ecdsa_key Then restart the SSH service. Now you should not get the error message anymore.

3 2

Problem connecting
by Paul Borowicz 27 Nov '17

27 Nov '17

I've always had no problems connecting to x2go with only port 22 open on my router. Just recently I've been unable to connect. I turned on debugging and see my client connecting in the system logs: client X.X.X.X has successfully resumed session with ID paul-50-1511705558_stDXFCE_dp32 However, on the client I get an error that says "could not establish connection to remote proxy" I see this error repeating when I run the client with a --debug flag: 2go-DEBUG-../src/onmainwindow.cpp:10759> "Searching proxy window: X2GO-paul-50-1511705558_stDXFCE_dp32" x2go-DEBUG-../src/onmainwindow.cpp:12465> "Searching window with title: X2GO-paul-50-1511705558_stDXFCE_dp32" I'm not using a proxy for the internet. Paul

1 0

install x2gobroker
by "BOTZ Franck (Administrateur Systèmes et Résea ux) - DDT 67/SIDSIC/Pôle Infra" 27 Nov '17

27 Nov '17

Hi My system : ubuntu server 16.04 dpkg -l | grep x2gobroker ii python-x2gobroker 0.0.3.3-0~948~ubuntu16.04.1 all X2Go Session Broker (Python modules) ii x2gobroker 0.0.3.3-0~948~ubuntu16.04.1 all X2Go Session Broker (executable) ii x2gobroker-loadchecker 0.0.3.3-0~948~ubuntu16.04.1 all X2Go Session Broker (load checker service) ii x2gobroker-ssh 0.0.3.3-0~948~ubuntu16.04.1 amd64 X2Go Session Broker (SSH broker) My sources.list ###### Ubuntu Main Repos deb http://fr.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse ###### Ubuntu Update Repos deb http://fr.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse deb http://fr.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse # Dépot X2GO server (nightly build) deb http://ppa.launchpad.net/x2go/ppa/ubuntu xenial main When i install x2gobroker i've got this error message : apt-get install x2gobroker -s Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations d'état... Fait Certains paquets ne peuvent être installés. Ceci peut signifier que vous avez demandé l'impossible, ou bien, si vous utilisez la distribution unstable, que certains paquets n'ont pas encore été créés ou ne sont pas sortis d'Incoming. L'information suivante devrait vous aider à résoudre la situation : Les paquets suivants contiennent des dépendances non satisfaites : x2gobroker : Dépend: python3-wsgilog mais il n'est pas installable Dépend: python3-x2gobroker (>= 0.0.4.0-0~972~ubuntu16.04.1) mais ne sera pas installé Dépend: python3-x2gobroker (< 0.0.4.0-0~972~ubuntu16.04.1.1~) mais ne sera pas installé E: Impossible de corriger les problèmes, des paquets défectueux sont en mode « garder en l'état ». How to correct this dependancy problem ? Thanks. Franck

6 7

USB forwarding documentation
by Seth Galitzer 21 Nov '17

21 Nov '17

I know this is a FAQ, but I've been unable to find an answer on my own. I'd like to be able to redirect a local USB flash drive to a remote Windows host. I'm using TCE from a debian image deployed to my thin client devices. If this is possible, what's the magic recipe to make this work? Thanks. Seth -- Seth Galitzer Systems Coordinator Computer Science Department Kansas State University http://www.cs.ksu.edu/~sgsax sgsax(a)ksu.edu 785-532-7790

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problems connecting to x2go server
by Paul Borowicz 20 Nov '17

20 Nov '17

I run a personal server with x2go and I've used it for years with no problem. I can currently ssh fine, but x2go does not work. I've tried removing .x2go from /tmp and /home/paul. I've recreated the user database: rm -f /var/lib/x2go/x2go_sessions x2godbadmin --createdb None of this has worked. Removing and reinstalling seem to work, but it's now back to the same error. I have turned up logging and everything seems to complete properly. When I run the client with a --debug flag I get this, with the final 2 lines repeating: Info: Proxy running in client mode with pid '22689'. Session: Starting session at 'Mon Nov 20 14:35:24 2017'. Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:1. Info: Connecting to remote host 'localhost:37964'. " x2go-DEBUG-../src/onmainwindow.cpp:10759> "Searching proxy window: X2GO-paul-50-1511206522_ stDXFCE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12465> "Searching window with title: X2GO-paul-50-151120 6522_stDXFCE_dp24" Any insight would be appreciated. Best Regards, Paul Borowicz

1 0

JSON API
by Kadyrbek Narmamatov 20 Nov '17

20 Nov '17

Is there any JSON API for x2go client, so that I can use it in any language ?

1 0

Hanging Session
by Markus Kuderer 17 Nov '17

17 Nov '17

Hello everybody, I've running X2Go (v4.0.1.20) on CentoOS6 and it works quite well. Last week I was out of office and I kept a session running on the "server". When I came back, I was not able to connect to session again. The client stucks after starting the connection, after >1/2h I killed the client. When I try to connect afterwards, I have to suspend the session 1st, then I can connect, but the client stucks again. On the server /var/log/messages is blown up by lot of this messages: Nov 17 09:18:32 lmesim138 /usr/bin/x2gosuspend-session: session with ID lmegast5-50-1507636342_stDGNOME_dp32 has been suspended successfully Nov 17 09:18:32 lmesim138 /usr/bin/x2gosuspend-session: session with ID lmegast5-50-1507636342_stDGNOME_dp32 has been suspended successfully Nov 17 09:18:42 lmesim138 /usr/bin/x2gosuspend-session: session with ID lmegast5-50-1507636342_stDGNOME_dp32 has been suspended successfully This message is added even if no client is trying to connect or disconnect. Taking a look on the open files (lsof) shows that the session log file in /tmp has been deleted meanwhile: /tmp/.x2go-lmegast5/C-lmegast5-50-1507636342_stDGNOME_dp32/session.log (deleted) (background: "old" files in /tmp are deleted automatically after 3 weeks of beeing not used/touched) I assume thats the reason why I cannot connect to the session again. Do you have an idea how I might make the session working again or overcome the problem in general? (I sometimes have simulations running for a longer time and the result/evaluation will be done and shown within this session) Best regards, Markus

2 1

Vim
by Robert Dinse 17 Nov '17

17 Nov '17

Why does x2goserver on CentOS6 require vim? I delete vim and install nvi because I detest the former and prefer the latter. Then x2goserver re-installs vim, ARGH. -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

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Centos6
by Robert Dinse 17 Nov '17

17 Nov '17

I checked on Scientific Linux 6, which is also derived from RHEL 6 and it has the same dependencies. -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

1 0

Segfault with rstudio and x2goclient on Fedora 26
by Norman Gaywood 16 Nov '17

16 Nov '17

I have a few installations of rstudio https://www.rstudio.com/products/rstudio/download/#download running on Fedora 26, Centos 7.4 and Red Hat Enterprise 7.4 x2go server: x2goserver-4.0.1.20-2.fc26.x86_64 x2goserver-4.0.1.20-1.el7.x86_64 With the these two x2goclient on Fedora 26: x2goclient-4.1.0.0-1.fc26.x86_64 x2goclient-4.1.1.0-1.fc26.x86_64 rstudio will segfault on startup. Any other x2goclient I've tried, 4.1.0 on Windows and 4.0.5 on Mac, rstudio works no problem. Also doing "ssh -Y" to the hosts running x2goserver, rstudio starts with no problem. rstudio has worked in the past (maybe several months ago). Perhaps I was using Fedora 25 then. So I'm guessing that it's something to do with the x2goclient on Fedora 26. Any ideas? On trying to start rstudio inside an x2gosession the segfault looks like: $ rstudio QXcbConnection: Failed to get the primary output of the screen Unsupported screen format: depth: 24, red_mask: ff, blue_mask: ff0000 QXcbConnection: XCB error: 172 (Unknown), sequence: 161, resource id: 174, major code: 149 (Unknown), minor code: 20 QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not 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not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRegion: Painter not active QPainter::save: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::setClipRegion: Painter not active QPainter::save: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QWidget::paintEngine: Should no longer be called QPainter::begin: Paint device returned engine == 0, type: 1 QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setBrush: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::translate: Painter not active QPainter::translate: Painter not active QPainter::setClipRect: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::setBrush: Painter not active QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::drawRects: Painter not active QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::setRenderHint: Painter must be active to set rendering hints QPainter::pen: Painter not active QPainter::setPen: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::restore: Unbalanced save/restore QPainter::save: Painter not active QPainter::setClipRect: Painter not active QPainter::worldTransform: Painter not active QPainter::setCompositionMode: Painter not active QPainter::setCompositionMode: Painter not active QPainter::pen: Painter not active QPainter::setPen: Painter not active Segmentation fault (core dumped) -- Norman Gaywood, Computer Systems Officer School of Science and Technology University of New England Armidale NSW 2351, Australia ngaywood(a)une.edu.au http://turing.une.edu.au/~ngaywood Phone: +61 (0)2 6773 2412 Mobile: +61 (0)4 7862 0062 Please avoid sending me Word or Power Point attachments. See http://www.gnu.org/philosophy/no-word-attachments.html

1 1

Re: [X2Go-User] x2go-Server needs 5 minutes to respond
by Mihai Moldovan 14 Nov '17

14 Nov '17

[Resent with correct header, because I messed up myself this time.] On 11/14/2017 09:35 AM, K. Reinhold Trier wrote: > thank you, it helped. Please remember to also include the mailing list when replying. Okay, good. Watch the DISPLAY number (the first number after the user name in a session ID.) If it keeps raising during normal use to unnaturally large numbers, post another reply please, since that would mean that session cleanup isn't working correctly. More context: x2goagent DISPLAY numbers start at 50 and should naturally increase with each new started session. When terminating a session, its DISPLAY number is free'd and should be reclaimed by the next started session. Hence, seeing a DISPLAY number of more than 100 for a new session while there are, say, 20 sessions running would suggest that something's wrong. Mihai

1 0

x2go-Server needs 5 minutes to respond
by K. Reinhold Trier 13 Nov '17

13 Nov '17

Hi, last Thursday after an automatic update of the x2go-server our clients didn't receive any more answer from the server. We had to switch to vnc to get our workstations connected again. This morning, after an other automatic update of the x2go-software, I noticed that clients could connect again - but after an unacceptable delay of about 5 minutes. Here our data: We are on Ubuntu 16.04.3 LTSUbuntu 16.04.3 LTS When starting x2goclient on a ubuntu client, after about 5 minutes it shows the details: NXPROXY - Version 3.5.0 Info: Proxy running in client mode with pid '25793'. Session: Starting session at 'Mon Nov 13 18:28:30 2017'. Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0. Info: Connecting to remote host 'localhost:42485'. Info: Connection to remote proxy 'localhost:42485' established. Info: Connection with remote proxy completed. Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. Info: Using ADSL link parameters 512/24/1/0. Info: Using cache parameters 4/4096KB/8192KB/8192KB. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'. Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 4/4. Info: No suitable cache file found. Info: Forwarding X11 connections to display ':0'. Session: Session started at 'Mon Nov 13 18:28:31 2017'. Info: Established X server connection. Info: Using shared memory parameters 0/0K Now the client windows opens. To give more information about our installation: dpkg -l|grep x2go yields: ii cups-x2go 3.0.1.3-1 all Virtual X2Go printer for CUPS ii x2goagent 2:3.5.0.33-0~710~ubuntu16.04.1 all X2Go agent ii x2goclient 4.1.1.0-0~1679~ubuntu16.04.1 amd64 X2Go Client application (Qt4) ii x2golxdebindings 1.0.2.4-0~70~ubuntu16.04.1 all LXDE bindings for X2Go ii x2gomatebindings 0.0.1.5-0~203~ubuntu16.04.1 amd64 X2Go MATE bindings and MIME types ii x2goserver 4.0.1.22-0~1197~ubuntu16.04.1 amd64 X2Go server daemon scripts ii x2goserver-extensions 4.0.1.22-0~1197~ubuntu16.04.1 all X2Go server daemon scripts (extensions) ii x2goserver-printing 4.0.1.22-0~1197~ubuntu16.04.1 all X2Go server daemon scripts (printing) ii x2goserver-xsession 4.0.1.22-0~1197~ubuntu16.04.1 all X2Go server daemon scripts (Xsession runner) I extracted the relevant entries in syslog during that process. They are: Nov 13 12:12:35 goho /usr/bin/x2goumount-session[37611]: successfully unmounted "/tmp/.x2go-name/media/disk/_home_reinhold_MiniUbuntu" Nov 13 12:12:35 goho /usr/bin/x2goumount-session[37611]: successfully unmounted "/tmp/.x2go-name/media/disk/_home_reinhold_Dokumente" Nov 13 12:12:36 goho /usr/bin/x2goumount-session[37611]: ERROR: failed to unmount "/tmp/.x2go-name/spool/C-name-389-1510571109_stDICEWM_dp24" Nov 13 12:16:21 goho /usr/sbin/x2gocleansessions[3351]: name-389-1510571780_stDICEWM_dp24: state file for this session does not exist: /tmp/.x2go-name/C-name-389-1510571780_stDICEWM_dp24/state Nov 13 12:16:21 goho /usr/bin/x2gostartagent: successfully started X2Go agent session with ID name-389-1510571780_stDICEWM_dp24 Nov 13 12:16:25 goho /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="icewm-session" Nov 13 12:16:25 goho /usr/bin/x2goruncommand: dbus wrapper available as /usr/bin/dbus-run-session Nov 13 12:16:31 goho /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/name/.x2go/C-name-389-1510571780_stDICEWM_dp24/keyboard Nov 13 12:21:15 goho /usr/bin/x2goumount-session[27991]: ERROR: failed to unmount "/tmp/.x2go-name/spool/C-name-389-1510571780_stDICEWM_dp24" And looking for the processes with ps -ef|grep x2go at the beginning: name 38975 38936 0 12:13 ? 00:00:00 bash -l -c echo "X2GODATABEGIN:0b144655-d1b7-4fdf-9dd8-a3b6483c2c32"; export PATH= ... name 38976 38975 0 12:13 ? 00:00:00 /bin/bash /usr/bin/x2gostartagent 1800x1100 adsl 16m-jpeg-9 unix-kde-depth_24 de auto 1 D ICEWM both And then, some minutes later: name 20337 1 0 12:16 ? 00:00:00 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -nolisten tcp -nolisten tcp -dpi 96 -D -auth /home/name/.Xauthority -geometry ... name 20547 38936 0 12:16 ? 00:00:00 bash -l -c echo "X2GODATABEGIN:f57debe6-7893-4214-8344-eb59d431ddaa"; export PATH= ... name 20548 20547 5 12:16 ? 00:00:00 /usr/bin/perl /usr/bin/x2gomountdirs dir name-389-1510571780_stDICEWM_dp24 reinhold ... name 20569 1 0 12:16 ? 00:00:00 ssh -x -a -oClearAllForwardings=yes -oServerAliveInterval=300 -oIdentityFile=/home/name/.x2go/ssh/key.VE6405 -oUserKnownHostsFile= ... name 20571 1 0 12:16 ? 00:00:00 /bin/bash /usr/bin/x2goruncommand 389 20337 name-389-1510571780_stDICEWM_dp24 43965 icewm-session nosnd D name 20600 20337 0 12:16 ? 00:00:00 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -nolisten tcp -nolisten tcp -dpi 96 -D -auth /home/name/.Xauthority -geometry ... name 20688 20571 0 12:16 ? 00:00:00 /bin/bash /usr/bin/x2gosetkeyboard name 20769 20571 0 12:16 ? 00:00:00 /usr/bin/dbus-run-session /etc/x2go/Xsession name 20771 20769 0 12:16 ? 00:00:00 /bin/sh /etc/x2go/Xsession name 20805 20771 0 12:16 ? 00:00:00 xrdb -merge /etc/x2go/Xresources/x11-common name 20814 1 0 12:16 ? 00:00:00 sshfs -o idmap=user,uid=1181,gid=100,default_permissions,ServerAliveInterval=300,IdentityFile=/home/name/.x2go/ssh/key.VE6405,UserKnownHostsFile= ... name 20878 20548 0 12:16 ? 00:00:00 sh -c timeout 30 sshfs -o idmap=user,uid=`id -u`,gid=`id -g`,default_permissions,ServerAliveInterval=300,IdentityFile=/home/name/.x2go/ssh/key.VE6405,UserKnownHostsFile= ... name 20881 20878 0 12:16 ? 00:00:00 timeout 30 sshfs -o idmap=user,uid=1181,gid=100,default_permissions,ServerAliveInterval=300,IdentityFile=/home/name/.x2go/ssh/key.VE6405,UserKnownHostsFile= ... name 20882 20881 0 12:16 ? 00:00:00 sshfs -o idmap=user,uid=1181,gid=100,default_permissions,ServerAliveInterval=300,IdentityFile=/home/name/.x2go/ssh/key.VE6405,UserKnownHostsFile= ... name 20886 1 0 12:16 ? 00:00:00 ssh -x -a -oClearAllForwardings=yes -oServerAliveInterval=300 -oIdentityFile=/home/name/.x2go/ssh/key.VE6405 -oUserKnownHostsFile= ... Is there somebody who could help us getting back to working x2go-installation? Best regards Reinhold

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Odp: opensuse client - reverse tunnel problem
by Sebastian Turzański 07 Nov '17

07 Nov '17

Hi I still experience this problem Can anybody take a look at the debug output (pastebin link below) I suspect this can have something to do with x2goclient not generating the content of ~./.x2go/etc the directory itself is not created either. https://pastebin.com/uRzQnKcc Dnia Sobota, 22 Października 2016 20:54 Sebastian Turzański <dpbasti(a)wp.pl> napisał(a) > Is anybody able to use x2go client with reverse tunel (folder sharing and/or client side printing) om Opensuse > > I get the same server with reverse ssh tunnel working perfectly well when connected from ubuntu > and failing if used from Opensuse Leap 42.1 nor Tumbleweed > > > _______________________________________________ > x2go-user mailing list > x2go-user(a)lists.x2go.org > http://lists.x2go.org/listinfo/x2go-user

2 1

Upcoming Package Repository Downtime
by Mihai Moldovan 07 Nov '17

07 Nov '17

Hi I will be releasing new stable versions of nx-libs and x2goserver soon. Due to some file moves between packages, these releases must happen in lock-step (or more specifically the binary packages built from these releases be available at the same time). In order to not potentially break user systems, I will disable access to the package repositories on the UTC days of - Wed November 8, 2017 - Fri November 10, 2017 (rain date) for an unspecified amount of time. If you experience problems accessing the package repositories on these days, rest assured that this behavior is intentional. The repositories will be available once new binary packages for these new releases are available. A more fine-grained notice will be posted on the Wiki main page and removed again once the situation is cleared. Mihai

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rstudio menus not displayed && qtcreator crash
by Piotr Balwierz 07 Nov '17

07 Nov '17

Hello, I have two problems with two IDEs. 1) For R programming I use Rstudio.I am starting mate-terminal via x2go, and then execute rstudio remotely. It displays well, apart from the fact that pull-down menus are not displayed. They got highlightedwhen clicked, but nothing more. This is the only program which has this issue that I am aware of. Warning messages are as follows: QXcbConnection: Failed to get the primary output of the screen Could not initialize OpenGL for RasterGLSurface, reverting to RasterSurface. 2) For C++ I use qtcreator. It crashes immediatelywhen run via x2go: $ qtcreator failed to get the current screen resources Could not initialize GLX Aborted 3) Moreover mate-terminal window is not resizeable Versions: server: Latest Heuler 64bitfor Debian buster client: x2goclient 4.1.1.0 64bit for Arch Linux, running plasma desktop Thanks, Piotr

1 0

ssh-keygen.exe loads the processor every time the client starts
by Max A. 07 Nov '17

07 Nov '17

Hello. I'm using a x2go server on CentOS 6.9 (the latest version from EPEL, 4.0.1.20), clients use Windows XP/7 and the latest version of X2Go Client (4.1.0.0-2017.03.11). Each time the client connects, ssh-keygen.exe (C:\Program Files\x2goclient\ssh-keygen.exe) starts with the parameters "-t rsa -b 4096 -N" "-C" X2Go Client RSA user key "-f C: /Users/max/.x2go/ssh/gen/key.fl1416 ". On not very powerful computers, this causes a delay of a few seconds with each connection and irritates users. Tell me please, if it is possible to generate this key once and for all? -- M. Alhimenko

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Can't access X2go through router
by Bill Damage 06 Nov '17

06 Nov '17

The error is exactly as here: [X2Go-User] X2Go Client: Kex error : no match for method server host key alog: server [ssh-rsa], client [ssh-ed25519] | | | | [X2Go-User] X2Go Client: Kex error : no match for method server host key... | | | However, I have some more information which suggest the server isn't the culprit.When I use the current Windows client on a LAN, I get in OK. When I use the same from linux on the LAN, I get in OK. It's only when i've tried to port forward 2249 -> 22 from the WAN that it fails with this message from either client. Even stranger, if I SSH in from the WAN on port 2249 I get in OK. So the usual suggestions of regenerating keys etc don't seem to help, even though I did that anyway. Server I'm trying to access is Ubuntu 16.04.3 root@mojo:~# x2goversionx2goagent: 3.5.0.32x2goserver: 4.0.1.20x2goserver-extensions: 4.0.1.20x2goserver-xsession: 4.0.1.20root@mojo:~# Linux and Win clients are 4.1.0.0 Here's the last twist - this is a VM. I have also port forwarded 22 to 22 on the host, which is Fedora 26 and the main server actually running these VMs (KVM), and that lets me in via X2Go no problem. So the router itself can work if it's not going to a VM. I also tried disabling the firewall on the VM but still got no joy. At that point I knew I was plumb out of ideas so came here ;-) Thanks.

1 0

X2Go on Debian Stretch server : root user keyboard mapping
by Bruno Joffredo 06 Nov '17

06 Nov '17

Hello, I have installed X2Go (server v4.0.1.20) on a Debian Stretch (v9.2) server a few days ago. This machine is secured at the network level, so i want to login root. When I log in as a user, the keyboard mapping is good. But when I log in root, the arrow keys are not good : up doesn't show anything, down acts like return, and the pipe key does not show anything. I did some search on the web, but everything I found did not work. Connected via X2go Client to the root user : * the command setxkbmap fr return : Error loading new keyboard description * echo $DISPLAY : :50.0 * the command DISPLAY=:0.0 setxkbmap fr return no error * here is the contents of the file ~/.x2go/C-root-50-1509957528_stDLXDE_dp24/clients : No matching visual for __GLcontextMode with visual class = 4 (32770), nplanes = 24 No matching visual for __GLcontextMode with visual class = 4 (32770), nplanes = 24 No matching visual for __GLcontextMode with visual class = 4 (32770), nplanes = 24 No matching visual for __GLcontextMode with visual class = 4 (32770), nplanes = 24 No matching visual for __GLcontextMode with visual class = 5 (32771), nplanes = 24 No matching visual for __GLcontextMode with visual class = 5 (32771), nplanes = 24 No matching visual for __GLcontextMode with visual class = 5 (32771), nplanes = 24 No matching visual for __GLcontextMode with visual class = 5 (32771), nplanes = 24 The XKEYBOARD keymap compiler (xkbcomp) reports: > Error: Can't find file "null" for symbols include > Exiting > Abandoning symbols file "default" > Error: Cannot open "compiled/server-50.xkm" to write keyboard description > Exiting The XKEYBOARD keymap compiler (xkbcomp) reports: > Error: Cannot open "compiled/server-50.xkm" to write keyboard description > Exiting The XKEYBOARD keymap compiler (xkbcomp) reports: > Error: Cannot open "compiled/server-50.xkm" to write keyboard description > Exiting AUDIT: Mon Nov 6 09:38:52 2017: 27087 x2goagent: client 3 rejected from local host The XKEYBOARD keymap compiler (xkbcomp) reports: > Error: Cannot open "compiled/server-50.xkm" to write keyboard description > Exiting * I modified the content of the file /etc/x2go/x2goagent.keyboard like that : rules=evdev but it's always the same I don't know what to do. Thank you, Regards, -- Signature Bruno Joffredo Bruno

2 2

Mint Sonya 18.2
by Robert Dinse 06 Nov '17

06 Nov '17

I upgraded Mint from Serina to Sonya 18.2 and now with x2go I am getting the tiny 680x800 screen related to xrandr version being 1.2 where 1.3 or later is needed. I installed the nightly build which has corrected this problem on other distributions but it did not fix it in mint. Any advice? -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

1 0

newbie question multiple monitors
by Thomas Porschberg 01 Nov '17

01 Nov '17

Hi, I installed the server part on my Ubuntu 16.04 PC with two monitors (THis is my workstation I work with every day). $ps -ef | grep x2go root 17045 1 0 11:06 ? 00:00:00 /usr/bin/perl /usr/sbin/x2gocleansessions pberg 20099 7153 0 11:11 ? 00:00:00 /usr/bin/x2godesktopsharing My client is a laptop, also running Ubuntu 16.04. When I create a new session I see on my laptop both physical monitors from the server, divided vertically and of course blurred. This is not usable. Can I somehow the client configure in way that I can switch between the two physical monitors from the server? Best regards Thomas

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