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x2go client freezes on trying to connect
by Rohit Trivedi 09 Jan '20

09 Jan '20

Hi, I have been using x2go on ubuntu 16.04 for a while now. I have started getting this error now though wherein the x2go clients do not connect to the server. As soon as they are launched they simply stay on the login window with everything frozen. Nothing happens until a real while when it times out. I would appreciate any help in figuring this out. Here is the client debugg log : C:\Program Files (x86)\x2goclient>x2goclient.debug.exe --debug x2go-INFO-1> "Starting X2Go Client 4.1.2.0..." x2go-WARNING-1> English language requested, not loading translator. x2go-WARNING-1> English language requested, not loading translator. Object::connect: No such slot ONMainWindow::slotCheckAgentProcess() x2go-DEBUG-../src/onmainwindow.cpp:10349> Getting X.Org Server settings. x2go-INFO-3> "Started X2Go Client." x2go-DEBUG-../src/onmainwindow.cpp:563> "$HOME=C:/Users/rohit" x2go-DEBUG-../src/onmainwindow.cpp:2242> Reading 3 sessions from config file. x2go-DEBUG-../src/sessionbutton.cpp:342> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/sessionbutton.cpp:342> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/sessionbutton.cpp:342> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/onmainwindow.cpp:12841> libssh not initialized yet. Initializing. x2go-DEBUG-../src/onmainwindow.cpp:6736> Not starting PulseAudio x2go-DEBUG-../src/onmainwindow.cpp:10252> Starting helper servers for Windows ... x2go-DEBUG-../src/onmainwindow.cpp:10419> "/cygdrive/C/Users/rohit/.x2go/var" cygwin var path x2go-DEBUG-../src/onmainwindow.cpp:10503> "C:/Users/rohit/.x2go/etc/sshd_config created." x2go-DEBUG-../src/onmainwindow.cpp:9914> Resolved localhost. x2go-DEBUG-../src/onmainwindow.cpp:9942> Port already in use: 7022 x2go-DEBUG-../src/onmainwindow.cpp:9914> Resolved localhost. x2go-DEBUG-../src/onmainwindow.cpp:9936> Port is free: 7023 x2go-DEBUG-../src/onmainwindow.cpp:10854> Logging cygwin sshd to: "C:/Users/rohit/.x2go/sshLogs/Hp8368.log" x2go-DEBUG-../src/onmainwindow.cpp:10868> Creating desktop: x2go_rohit x2go-DEBUG-../src/onmainwindow.cpp:9914> Resolved localhost. x2go-DEBUG-../src/onmainwindow.cpp:9942> Port already in use: 7023 x2go-DEBUG-../src/onmainwindow.cpp:9914> Resolved localhost. x2go-DEBUG-../src/onmainwindow.cpp:9942> Port already in use: 7023 x2go-DEBUG-../src/onmainwindow.cpp:10965> User mode OpenSSH server started successfully. x2go-DEBUG-../src/onmainwindow.cpp:2728> Creating QPixmap with session icon: '":/img/icons/128x128/x2gosession.png"'. x2go-INFO-8> "Starting connection to server: 192.168.1.121:22" x2go-DEBUG-../src/onmainwindow.cpp:2829> Starting new ssh connection to server:"192.168.1.121":"22" krbLogin: false x2go-DEBUG-../src/sshmasterconnection.cpp:175> SshMasterConnection, host "192.168.1.121"; port 22; user "rohit"; useproxy false; proxyserver ""; proxyport 22 x2go-DEBUG-../src/sshmasterconnection.cpp:248> Starting SSH connection without Kerberos authentication. x2go-DEBUG-../src/sshmasterconnection.cpp:252> SshMasterConnection, instance SshMasterConnection(0x3605a50) created. x2go-DEBUG-../src/sshmasterconnection.cpp:520> SshMasterConnection, instance SshMasterConnection(0x3605a50) entering thread. x2go-DEBUG-../src/sshmasterconnection.cpp:592> Setting SSH directory to C:/Users/rohit/ssh x2go-DEBUG-../src/sshmasterconnection.cpp:840> Session port before config file parse: 22 x2go-DEBUG-../src/sshmasterconnection.cpp:850> Session port after config file parse: 22 x2go-DEBUG-../src/sshmasterconnection.cpp:915> Session port before config file parse (part 2): 22 x2go-DEBUG-../src/sshmasterconnection.cpp:925> Session port after config file parse (part 2): 22 x2go-DEBUG-../src/sshmasterconnection.cpp:950> cserverAuth x2go-DEBUG-../src/sshmasterconnection.cpp:991> state: 1 x2go-DEBUG-../src/sshmasterconnection.cpp:711> Setting SSH directory to C:/Users/rohit/ssh x2go-DEBUG-../src/sshmasterconnection.cpp:1274> Trying password mechanism if available. x2go-DEBUG-../src/sshmasterconnection.cpp:1278> Password mechanism available. Continuing. x2go-DEBUG-../src/sshmasterconnection.cpp:726> User authentication OK. x2go-DEBUG-../src/sshmasterconnection.cpp:1789> LOGIN CHECK:"LOGIN OK " x2go-DEBUG-../src/sshmasterconnection.cpp:1792> don't have interaction x2go-DEBUG-../src/sshmasterconnection.cpp:1825> LOOP FINISHED x2go-DEBUG-../src/sshmasterconnection.cpp:1829> No interaction needed, continue session x2go-DEBUG-../src/sshmasterconnection.cpp:735> Login Check - OK x2go-DEBUG-../src/onmainwindow.cpp:2923> SSH connection established. x2go-DEBUG-../src/onmainwindow.cpp:3336> Continue normal X2Go session x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 0: "x2golistsessions" x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x3601f20) Running masterCon->addChannelConnection(this, ' "c64a977f-1f7f-461f-a929-f82268d00408" ', ' "bash -l -c 'echo "X2GODATABEGIN:c64a977f-1f7f-461f-a929-f82268d00408"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions; echo "X2GODATAEND:c64a977f-1f7f-461f-a929-f82268" '); x2go-DEBUG-../src/sshmasterconnection.cpp:1891> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1893> Passing new channel connection object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1895> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:2083> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:2100> New channel:0x396bad0 x2go-DEBUG-../src/sshmasterconnection.cpp:2185> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:c64a977f-1f7f-461f-a929-f82268d00408"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions; echo "X2GODATAEND:c64a977f-1f7f-461f-a929-f82268d00408";'" x2go-DEBUG-../src/sshmasterconnection.cpp:2208> New exec channel created. Regards, *Rohit Trivedi*

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Bug#1305: bad window title encoding for Unicode (Cyrillic) session names
by Ivan Zakharyaschev 24 Dec '19

24 Dec '19

Package: x2goclient Version: 4.1.1.1 Tag: patch If the session name is written in Cyrillic (I guess, any Unicode), the window title is displayed incorrectly (as if Unicode was not understood, with strange symbols) in the task bar in the KDE panel. See the attached screenshot (made by mcpain@). Patch (by mcpain@ and zerg@) is attached, too: x2goclient-4.1.1.1-window-title-encoding.patch The client and server OS are: ALT Linux (Sisyphus or p8). The window manager is KDE.

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Pulseaudio issue latest Win 10
by info＠daniel-hoffmann.com 23 Dec '19

23 Dec '19

As many other users I experience a malfunction of Pulseaudio on latest Win 10 Pro keeping X2go from transmitting sound from the host machine. This is still the case with the latest nightly build of x2go. Messages like "Pulsaudio can't be started" or "can't play start tone" show up). The error message on the command line : [(null)] pulsecore/core-util.c: Secure directory creation not supported on this platform and daemon/core.c: Failed to allocate shared memory pool. Falling back to a normal memory pool daemon/main.c: Daemon startup without any loaded modules, refusing to work This seems to be due to new security measures in Win10. Forcing admin rights or using compatibility mode does not help. Does anyone know a workaround? Yours, Daniel Sent from MailDroid

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Bug#1429: Tilde expansion no longer performed by libssh after CVE-2019-14889
by Sylvain Cuaz 20 Dec '19

20 Dec '19

Package: x2goclient Version: 4.1.1.1 SSH key fails to be copied to the remote side because the path use a tilde, so neither file sharing nor client-side printing works. Client OS Ubuntu 18.04.3 LTS with libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.5 Server OS Ubuntu 16.04.6 LTS Since december, 10th on Ubuntu, every time I connect to a server with either file sharing or printing enabled I have this error message : "Cannot create remote file ~ilm/.x2go/ssh/key.jdT502" - "SCP: Warning: status code 1 received: scp: ~ilm/.x2go/ssh: No such file or directory\n" But the directory does exist. After using gdb I saw that ONMainWindow::exportDirs() calls SshMasterConnection::copyFile() with dst="~"+uname +"/.x2go/ssh/"+dst; which is ultimately passed to libssh. But following CVE-2019-14889 the path is now literal (quoted), see https://git.libssh.org/projects/libssh.git/log/src/scp.c for the libssh logs and https://usn.ubuntu.com/4219-1/ for the ubuntu packages A similar issue is handled for Windows in SshProcess::start_cp() As a workaround I reinstalled an old version of the libssh-4 package and the bug went away.

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Processed: your mail
by X2Go Bug Tracking System 18 Dec '19

18 Dec '19

Processing commands for control(a)bugs.x2go.org: > forwarded 1428 https://bugs.launchpad.net/ubuntu/+source/libssh/+bug/1856795 Bug #1428 [<x2goserver>] Connection failed. Cannot create remote file Warning: Unknown package '<x2goserver>' Set Bug forwarded-to-address to 'https://bugs.launchpad.net/ubuntu/+source/libssh/+bug/1856795'. Warning: Unknown package '<x2goserver>' > reassign 1428 x2goclient 4.1.2.1 Bug #1428 [<x2goserver>] Connection failed. Cannot create remote file Warning: Unknown package '<x2goserver>' Bug reassigned from package '<x2goserver>' to 'x2goclient'. Ignoring request to alter found versions of bug #1428 to the same values previously set Ignoring request to alter fixed versions of bug #1428 to the same values previously set Bug #1428 [x2goclient] Connection failed. Cannot create remote file There is no source info for the package 'x2goclient' at version '4.1.2.1' with architecture '' Unable to make a source version for version '4.1.2.1' Marked as found in versions 4.1.2.1. > close 1428 Bug #1428 [x2goclient] Connection failed. Cannot create remote file Marked Bug as done > thanks Stopping processing here. Please contact me if you need assistance. -- 1428: bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1428 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#1414: X2Goclient crashes on plasma on Wayland, on plasma on xorg it works fine
by Kay Nick 15 Dec '19

15 Dec '19

Package: x2goclient Version 4.1.2.1 How to reproduce: started on command line: plasma on xorg: [ml@carbon ~]$ x2goclient x2go-INFO-1> "Starting X2Go Client 4.1.2.1..." x2go-INFO-4> "Translator: :/i18n/x2goclient_de_de found." x2go-INFO-4> "Übersetzung: :/i18n/qt_de_de gefunden." QObject::connect: No such slot ONMainWindow::slotCheckAgentProcess() x2go-INFO-3> "X2GoClient wurde gestartet." x2go-INFO-8> "Verbindung mit Server wird gestartet: thor.xx.yyy.de:22" x2go-INFO-6> "X2GoClient wird geschlossen ..." QProcess: Destroyed while process ("nxproxy") is still running. x2go-INFO-7> "Alle Hooks, die beim Beenden von X2GoClient abgearbeitet werden sollten, wurden abgearbeitet." started on command line: plasma on wayland: [ml@carbon ~]$ x2goclient x2go-INFO-1> "Starting X2Go Client 4.1.2.1..." x2go-INFO-4> "Translator: :/i18n/x2goclient_de_de found." x2go-INFO-4> "Übersetzung: :/i18n/qt_de_de gefunden." QObject::connect: No such slot ONMainWindow::slotCheckAgentProcess() x2go-INFO-3> "X2GoClient wurde gestartet." x2go-INFO-8> "Verbindung mit Server wird gestartet: thor.xx.yyy.de:22" Speicherzugriffsfehler (Speicherabzug geschrieben) The client machine's OS: Manjaro Linux 64 bit The client machine's version of X2GoClient: X2GoClient V. 4.1.2.1 (Qt - 5.13.1) The server's OS: CentOS 7.7 64 Bit The server's version of the x2goserver package 4.1.0.3

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Re: [X2Go-Dev] New failed connection error message
by Alexanderstr Miete 14 Dec '19

14 Dec '19

Thanks. I created a bug report, in case it is a real bug. I also included a link to a bug which is a few years old. See here http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1428 and here: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=227 Now, you wrote Maybe someone has done some cleanup in the .x2go directory or even in the home. I assume you mean the remote ubuntu? Unlikely. Would you suggest reinstalling X2Go Server on that machine? Or what is the most straightforward solution? Thanks a lot Am Fr., 13. Dez. 2019 um 11:14 Uhr schrieb Ulrich Sibiller <uli42(a)gmx.de>: > Maybe someone has done some cleanup in the .x2go directory or even in the > home. > > On Fri, Dec 13, 2019 at 12:08 PM Alexanderstr Miete > <alexstrbonn(a)gmail.com> wrote: > > > > Surprisingly, without any known changes, we suddenly receive a new error > when establishing previously error free connections. The following error > appears in the client, however the connection is established as usual > without any problems. > > > > > > So why does this annoying error message appear and how can it be fixed? > > > > > > Connection failed. Cannot create remote file > ~templatemate3/.x2go/ssh/key.TJ4977 - SCP: Warning: status code 1 received: > scp: ~templatemate3/.x2go/ssh: No such file or directory > > > > > > Thank you! > > > > _______________________________________________ > > x2go-dev mailing list > > x2go-dev(a)lists.x2go.org > > https://lists.x2go.org/listinfo/x2go-dev >

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Bug#946674: ITP: x2gothinclient -- X2Go Thin Client Environment
by Mike Gabriel 13 Dec '19

13 Dec '19

Package: wnpp Severity: wishlist Owner: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> * Package name : x2gothinclient Version : 1.5.0.1 Upstream Author : X2Go Developers (x2go-dev(a)lists.x2go.org> * URL : https://code.x2go.org/gitweb?p=x2gothinclient.git;a=summary * License : GPL-2+ (mostly) Programming Lang: C++, Bash, Perl Description : X2Go Thin Client Environment X2Go is a server based computing environment with - session resuming - low bandwidth support - session broker support - client-side mass storage mounting support - client-side printing support - audio support - authentication by smartcard and USB stick . The x2gothinclient src:package comes with various bin:packages that facilitate setting up a thin client environment (TCE) targetting various server environments (X2Go, XDMCP, MS RDP, xRDP, etc.). . The thin client packages are designed to work on top of LTSP images and can be used as a replacement for the deprecated LTSP Display Manager. . The packages will be maintained by the Debian Remote Maintainers Team.

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New failed connection error message
by Alexanderstr Miete 13 Dec '19

13 Dec '19

Surprisingly, without any known changes, we suddenly receive a new error when establishing previously error free connections. The following error appears in the client, however the connection is established as usual without any problems. So why does this annoying error message appear and how can it be fixed? Connection failed. Cannot create remote file ~templatemate3/.x2go/ssh/key.TJ4977 - SCP: Warning: status code 1 received: scp: ~templatemate3/.x2go/ssh: No such file or directory Thank you!

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Bug#1424: x2gomatebindings breaks caja locale in MATE
by Иван 13 Dec '19

13 Dec '19

Package: x2gomatebindings Version: 0.0.1.6 When logging with any client some MATE desktop icons and menu entries appear in default English language, instead of language set by system locale (see included screenshot). Reason: libcaja-x2goumount.so overrides previously loaded by caja locale file with it's own nearly empty file (that is even not existing for many languages). This behavior also can be discovered on older versions. Possible found workarounds: 0. Remove libcaja-x2goumount.so (fixes bug but you lack the umount function). 1. Take contents of caja package locale file for your language from https://github.com/mate-desktop/caja/tree/master/po and put it into the x2gousbmount locale file x2goumount.po in /usr/local/share/locale/<your_locale>/. (Best for now) 2. Build x2gomatebindings without locale file support (that is not really necessary, due to only one added menu entry). This is done by commenting out bindtextdomain strings in extension/caja-x2goumount-module.c. As addition to this, default system locale folder for Debian is /usr/share/locale and x2gomatebindings package founds its locale files only in /usr/local/share/locale. Workaround: symlink in /usr/local/share pointing to /usr/share/locale Server machine: Debian GNU/Linux 10 (buster) 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64 GNU/Linux Package versions: libx2go-config-perl 4.1.0.3-4 libx2go-log-perl 4.1.0.3-4 libx2go-server-db-perl 4.1.0.3-4 libx2go-server-perl 4.1.0.3-4 libx2go-utils-perl 4.1.0.3-4 x2go-keyring 2019.08.20+git20190820.118+10.main.1 x2gomatebindings 0.0.1.6-0~x2go1+git20181121.212+10.main.1 x2goserver 4.1.0.3-4 x2goserver-common 4.1.0.3-4 x2goserver-extensions 4.1.0.3-4 x2goserver-fmbindings 4.1.0.3-4 x2goserver-printing 4.1.0.3-4 x2goserver-x2goagent 4.1.0.3-4 x2goserver-xsession 4.1.0.3-4 x2gothinclient-management 1.5.0.1-0x2go2+git20191129.725+10.main.1 x2gothinclientmanagement 1.5.0.0-0x2go1+git20181202.691+10.main.1 mate-desktop 1.20.4-2 mate-desktop-common 1.20.4-2 caja 1.20.3-1+b1 caja-common 1.20.3-1 caja-extensions-common 1.20.2-1 caja-sendto 1.20.2-1 libcaja-extension1:amd64 1.20.3-1+b1

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