x2go-dev June 2015

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Bug#581: VirtualBox Clipboard Sharing does not work when accessing the host over X2Go
by Michael DePaulo 18 Jun '21

18 Jun '21

Package: nx-libs Version: 3.5.0.27 Severity: normal If you run a VirtualBox VM with its display running under X2Go, the VM's clipboard sharing fails to work in either direction. You cannot copy and paste text between the VM and an app running under X2Go server, nor can you copy and paste text between the VM and an app running on the X2Go Client system. (I believe VirtualBox VMs use SDL to interact with the X server, which in this case is nxagent. This differs from the VirtualBox GUI, which is written in QT.) Specifically, when the X sesssion starts on the guest, a VirtualBox-provided script for X calls "VBoxClient --clipboard" to start the clipboard service. The service runs as the user logged into the guest. However, this service fails to stay running, and thus the clipboard sharing does not work. If you launch the VirtualBox VM on the local X.org X server, the guest's clipboard service stays running and clipboard sharing works. You can also launch the VM in RDP headless mode from x2go (so the VM does not render its display to any nxagent). In this use case, the clipboard service stays running and clipboard sharing works. The strange part is that the configuration of the host affects the behavior of the guest. It makes sense though because it's a bug in the guest's code to integrate with the host. Also, when you do call "VBoxClient --clipboard", it returns 0. And if you call it after the X11 session has already started, the problem still occurs. In x2goclient, I tried turning on and off the following setting, but it had no effect: Options -> Settings -> X-Server settings -> do not use primary clipboard My theory is that this is a bug in nx-libs, and that the bug is probably related to nx-libs being forked from such an old X.org codebase. It is worth looking into whether other SDL apps have clipboard trouble with X2Go on Ubuntu 14.04. (It's also worth testing an older release of Ubuntu as the host OS, since it would have an older release of SDL.) Host system: OS: Ubuntu 14.04.1 64-bit with latest bugfix & security updates nxagent: 2:3.5.0.27-0~446~ubuntu14.04.1 x2goserver: 4.0.1.15-0~847~ubuntu14.04.1 x2goserver-xsession: 4.0.1.15-0~847~ubuntu14.04.1 VirtualBox 4.3.14 (from download.virtualbox.org) "Shared Clipboard" is set to "Bidirectional" for the VM $ cat /etc/x2go/x2goagent.options | grep -v '^#' | grep -v '^$' X2GO_NXAGENT_DEFAULT_OPTIONS="" X2GO_NXAGENT_DEFAULT_OPTIONS+=" -extension XFIXES" X2GO_NXAGENT_DEFAULT_OPTIONS+=" -nolisten tcp" Guest OS: Ubuntu 12.04.5 64-bit with precise HWE stack, the virtual kernel, and all the latest bugfix & security updates OS-provided XFCE virtualbox-guest-dkms: 4.1.12-dfsg-2ubuntu0.6 virtualbox-guest-utils: 4.1.12-dfsg-2ubuntu0.6 virtualbox-guest-x11: 4.1.12-dfsg-2ubuntu0.6 Configured according to: https://github.com/mikedep333/duckpan-vagrant/tree/duckduckhack-vm The aforementioned script is: /etc/X11/Xsession.d/98vboxadd-xclient (I'm sure a different script would be used for distros like CentOS which lack the /etc/X11/Xsession.d/ folder). Client system: Windows 8.1 64-bit with Update 1 and all the minor/monthly updates available X2GoClient 4.0.2.1+hotfix1+build3

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Bug#622: New wiki account for gurumelo
by prueba 25 May '20

25 May '20

Package: wiki.x2go.org Please create a wiki account for me. First name: gurumelo Last name: gurumelo Account name: gurumelo

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Bug#396: StartSSL.com certificate for wiki.x2go.org
by Mike Gabriel 19 May '20

19 May '20

Package: wiki.x2go.org Severity: important Schlomo Schapiro suggested StartSSL.com as root-CA and SSL certificate provider. Pricing scheme looks promising. Let's do that! Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#125: Bug with Alt Gr keyboard
by IBITEK : Support IT 08 Nov '19

08 Nov '19

Package: <x2goclient> Version: <4.0.0.3> I have a problem with "Alt Gr" tab doesn't work. I can't do an backslash "\" for enter my username on a domain mydomain\user it's impossible Do you have any solution ? A topic is open of your X2GO-Community but no response on this topic : http://x2go-community.org/main-menu/forum/?tx_mmforum_pi1%5Baction%5D=list _post <http://x2go-community.org/main-menu/forum/?tx_mmforum_pi1%5Baction%5D=lis t_post&tx_mmforum_pi1%5Btid%5D=24&tx_mmforum_pi1%5Bfid%5D=13&tx_mmforum_pi 1%5Bpid%5D=page#pid59> &tx_mmforum_pi1%5Btid%5D=24&tx_mmforum_pi1%5Bfid%5D=13&tx_mmforum_pi1%5Bpi d%5D=page#pid59 -- Cordialement, IBITEK-GROUP SUPPORT ------------------------------------------------------------ Tel : +33 491 058 350 Fax : +33 491 509 910 Mail : <mailto:support@ibitek-group.com> support(a)ibitek-group.com Web : <http://www.ibitek-group.com> http://www.ibitek-group.com ------------------------------------------------------------ SOLUTIONS FOR INDUSTRY Electricity & Automation + Business Intelligence ------------------------------------------------------------

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Bug#340: x2go fails under Ubuntu 13.10
by Dick Kniep 18 Jun '19

18 Jun '19

package: x2goclient Although filed against x2goclient, the same error occurs with pyhoca-cli The session fails to start and the logs contains the following messages: NXPROXY - Version 3.5.0 Copyright (C) 2001, 2011 NoMachine. See http://www.nomachine.com/ for more information. Info: Proxy running in client mode with pid '6253'. Session: Starting session at 'Thu Nov 14 17:05:08 2013'. Loop: PANIC! Can't determine the location of the X display socket. Error: Can't determine the location of the X display socket. Loop: PANIC! Error 2 'No such file or directory' checking '/tmp/.X11-unix'. Error: Error 2 'No such file or directory' checking '/tmp/.X11-unix'. Session: Session terminated at 'Thu Nov 14 17:05:08 2013'. Met vriendelijke groet, Dick Kniep Lindix BV tel. 036-5215580 mob. 06-50991858

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Bug#773: DirectRDP: X2Go Client reveals user password in process list if xfreerdp is used
by Mike Gabriel 26 Mar '19

26 Mar '19

Package: x2goclient Severity: grave When a users uses X2Go Client for directly accessing an RDP Server, then one can use the DirectRDP feature. The DirectRDP features allows wrapping around the rdesktop command or the xfreerdp command. With both wrapper modes, the password is given to the RDP client application on the command line. With rdesktop, the command line ($@) gets rewritten for the process list and the password is replaced by XXXXXXXX. With xfreerdp, the command line stays as is and reveals the RDP user's password on the process list of the machine that X2Go Client runs on. The FreeRDP people have added a command line option --from-stdin to xfreerdp 1.0.x for this purpose, that may be an option using in X2Go Client. However, I am not sure, if this option survived in xfreerdp 1.1.x or later (it is not on the xfreerdp man page for 1.1.0~git<sometime-in-2014> as shipped with Debian jessie. Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#58: x2goplugin: after session startup whole local desktop unusable
by Mike Gabriel 26 Mar '19

26 Mar '19

Package: x2goplugin Severity: grave Version: 3.99.3.0 Hi Alex, more tests with x2goplugin + x2goplugin-provider as release with x2goclient src:package 3.99.3.0. Try this: o install x2goplugin-provider and x2goserver locally on the same machine o visit http://localhost/x2goplugin.html o launch the pre-configured session o ... till here, everything works fine now... On my machine: after the session has come up (actually already while it is comming up) my whole desktop shell (awesome) refuse to accept almost any import from keyboard or mouse. I can neither click any of the x2goplugin controls nor can I click around in the started up X2Go session. The X2Go session is embedded in the x2goplugin frame, just in case this information is relevant. Ggreets, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#873: Drop Xinerama / LD_LIBRARY_PATH related code from x2goruncommand for nxagent >= 3.5.99.0
by Mike Gabriel 21 Nov '18

21 Nov '18

Package: x2goserver Severity: normal Version: 4.1.0.0-preview As the Xinerama magic will be soon moved from libNX_Xinerama.so into the programs/Xserver/hw/nxagent code, all Xinerama specifc stuff in x2goruncommand becomes obsolete if nxagent >= 3.5.99.0 is used server-side. The nxagent >= 3.5.99.0 will be able to handle Xinerama stuff all by itself. No external xinerama.conf is required, applications running server-side can use the X.Org client libraries, no hack for injecting libNX_X11, libNX_Xext and libNX_Xinerama into the library path is needed anymore. In fact, the libNX_Xinerama library will be dropped completely in nx-libs >= 3.5.99.0 (aka 3.6.x). Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#818: x2goserver: client-side folder sharing broken on Ubuntu 10.04
by Mike Gabriel 21 Nov '18

21 Nov '18

Package: x2goserver Severity: normal Version: 4.0.1.19 Hi all, x2goserver: client-side folder sharing is broken on Ubuntu 10.04 since X2Go Server 4.0.1.19. REASON: ------- I just discovered that the "timeout" command that we have started using in /usr/bin/x2gomountdirs since 4.0.1.19 of X2Go Server is normally shipped via the essential .deb package "coreutils". Normally, it is not necessary to add dependencies for essential packages. However, on Ubuntu 10.04, the timeout command is not shipped with the coreutils package but with a separate package called "timeout". There you have to explicitly install the "timeout" .deb package. So, basically in X2Go Server's debian/control file we need to add timeout | coreutils, under Depends: of bin:package x2goserver. However, as Ubuntu 10.04 will reach End of Life probably before the next X2Go Server release will come out, I am unsure if we should still change this. Please other devs give feedback, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#659: x2golistsessions perl error on tty
by hcmmac＠hosscomm.com 21 Nov '18

21 Nov '18

Package: x2goserver Attached is the syslog.pm also the error is re=typed below. if you want the pic of it on the tty(inside aptitude) let me know. <begin_error Unrecognized character \xd4:marked by <-- HERE after PORT_TAGS{--HERE near column 24 at /usr/lib/i386-linux-gnu/perl/5.20/Syslog.pm line 54 Compilation failed in require at /usr/lib/x2go/x2golistsessionss_sql line 24 Begin Failed-- Compilation aborted at /usr/lib/x2go/x2golistsessions_sql line24 *** error in `/usr/bin/perl': malloc();smalbin double linked list corrupted:0x09e74540 *** *** error in `/usr/bin/perl': corrupted double linked list 0x09444ac8 *** <end_error root@hsc6:/usr/share/doc/policykit-1# x2goversion x2goagent: 3.5.0.28 x2gomatebindings: 0.0.1.3 x2goserver: 4.1.0.0-preview x2goserver-common: 4.1.0.0-preview x2goserver-extensions: 4.1.0.0-preview x2goserver-xsession: 4.1.0.0-preview Thanks MotoHoss

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x2go-dev June 2015