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Bug#1099: Cannot open default display error with x2goclient
by jkirsz 10 Oct '16

10 Oct '16

Package: x2goclient Version: 4.0.5.2 With osx, windows and linux x2goclients, i cant connect to my x2goserver. Server version : 4.0.1.19-0~1064~ubuntu16.04.1 It prints me : Cannot open display "Default Display". X11Fowarding is enable in sshd, and pyhoca-gui works well. # x2goclient --debug [...] x2go-DEBUG-../src/sshmasterconnection.cpp:663> User authentication OK. x2go-DEBUG-../src/onmainwindow.cpp:2884> SSH connection established. x2go-DEBUG-../src/onmainwindow.cpp:3193> Continue normal X2Go session x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 0: "export HOSTNAME && x2golistsessions" x2go-DEBUG-../src/sshprocess.cpp:204> this=SshProcess(0x172ffb0) Running masterCon->addChannelConnection(this, ' "53babb0b-3b22-4ee6-a356-463aab557b3a" ', ' "bash -l -c 'echo "X2GODATABEGIN:53babb0b-3b22-4ee6-a356-463aab557b3a"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; export HOSTNAME && x2golistsessions; echo "X2GODATAEND:53babb0b-3" '); x2go-DEBUG-../src/sshmasterconnection.cpp:1324> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1326> Passing new channel conenction object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1328> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1516> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:1520> New channel:0x7fd4a0012c90 x2go-DEBUG-../src/sshmasterconnection.cpp:1551> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:53babb0b-3b22-4ee6-a356-463aab557b3a"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; export HOSTNAME && x2golistsessions; echo "X2GODATAEND:53babb0b-3b22-4ee6-a356-463aab557b3a";'" x2go-DEBUG-../src/sshmasterconnection.cpp:1574> New exec channel created. x2go-DEBUG-../src/sshmasterconnection.cpp:1623> EOF on channel 0x7fd4a0012c90; SshProcess object: 0 x2go-DEBUG-../src/sshmasterconnection.cpp:1746> EOF sent. x2go-DEBUG-../src/sshmasterconnection.cpp:1750> Channel closed. x2go-DEBUG-../src/sshprocess.cpp:517> SSH finished: raw output (stdout): "X2GODATABEGIN:53babb0b-3b22-4ee6-a356-463aab557b3a X2GODATAEND:53babb0b-3b22-4ee6-a356-463aab557b3a " x2go-DEBUG-../src/sshprocess.cpp:523> Have stderr only, something must be wrong. x2go-DEBUG-../src/sshprocess.cpp:528> SSH finished: false - "Cannot open display "default display" " (0). x2go-DEBUG-../src/onmainwindow.cpp:3582> "Cannot open display "default display" "

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Bug#1096: Qt5 build: qmake does not bundle resources correctly
by Bernard Cafarelli 08 Oct '16

08 Oct '16

Package: x2goclient Version: 4.0.5.2 While updating the x2goclient Gentoo package to support a Qt5 build, I found out that the binary did not have bundled resources (images and translations), even if the same build with Qt4 worked fine. Sample errors: x2go-WARNING-1> "Non-fatal: can't load translator: :/i18n/x2goclient_fr_fr" [...] Cannot open file ':/img/svg/x2gologo.svg', because: No such file or directory [...] Huge thanks to Michael Palimaka <kensington(a)gentoo.org> who found out the root cause: rcc is the compiled version of qrc, so it looks like for some reason qmake5 assumes the rcc files are already compiled, and bundles them as-is instead of processing them The fix is to rename the resources files from .rcc to .qrc (and update the project file accordingly). Patch attached, tested and working fine on Gentoo with Qt 4.8.7 and 5.6.1 -- Bernard Cafarelli (Voyageur) Gentoo developer

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Bug#1098: x2go doesn't connect if remote has encfs that is not mounted
by kwikwi 07 Oct '16

07 Oct '16

Package: x2goclient Version: 4.0.5.2 Packages x2goagent 2:3.5.0.32-0~668~ubuntu16.04.1 x2goclient 4.0.5.2-0~1205~ubuntu16.04.1 x2goplugin 4.0.5.2-0~1205~ubuntu16.04.1 x2goserver 4.0.1.19-0~1064~ubuntu16.04.1 x2goserver-extensions 4.0.1.19-0~1064~ubuntu16.04.1 x2goserver-xsession 4.0.1.19-0~1064~ubuntu16.04.1 encfs 1.8.1-3 libpam-mount 2.14-1.1 Running on Xubuntu Xenial I use encfs to encrypt my private data and pam_mount to automagically mount this when I login. As I only use a key when logging in over ssh (and x2go) I let my ~/.profile prompt for the encfs password. Until the previous install of Xubuntu (wily) this also worked for x2go. Under xenial not anymore, although I have added the same lines in the same configuration files. x2goclient "hangs" silently ############################################# x2goclient --debug x2go-INFO-1> "Starting X2Go Client..." x2go-INFO-4> "Translator: :/i18n/x2goclient_de found." x2go-INFO-4> "Übersetzung: :/i18n/qt_de gefunden." x2go-INFO-3> "X2GoClient wurde gestartet." x2go-DEBUG-../src/onmainwindow.cpp:517> "$HOME=/home/jw" x2go-DEBUG-../src/onmainwindow.cpp:2206> Reading 3 sessions from config file. x2go-DEBUG-../src/sessionbutton.cpp:325> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/sessionbutton.cpp:325> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/sessionbutton.cpp:325> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png". x2go-DEBUG-../src/onmainwindow.cpp:2686> Creating QPixmap with session icon: '":/img/icons/128x128/x2gosession.png"'. x2go-DEBUG-../src/onmainwindow.cpp:2753> Starting session via Smart Card, SSH Agent or Kerberos token. x2go-INFO-8> "Verbindung mit Server wird gestartet: aspi:22" x2go-DEBUG-../src/onmainwindow.cpp:2787> Starting new ssh connection to server:"aspi":"22" krbLogin: false x2go-DEBUG-../src/sshmasterconnection.cpp:174> SshMasterConnection, host "aspi"port 22user "jw"useproxy falseproxyserver ""proxyport 22 x2go-DEBUG-../src/sshmasterconnection.cpp:211> Starting SSH connection without Kerberos authentication. x2go-DEBUG-../src/sshmasterconnection.cpp:215> SshMasterConnection, instance SshMasterConnection(0x1a16810) created. x2go-DEBUG-../src/sshmasterconnection.cpp:451> SshMasterConnection, instance SshMasterConnection(0x1a16810) entering thread. x2go-DEBUG-../src/sshmasterconnection.cpp:487> libssh not initialized yet. Initializing. x2go-DEBUG-../src/sshmasterconnection.cpp:798> cserverAuth x2go-DEBUG-../src/sshmasterconnection.cpp:813> state: 1 x2go-DEBUG-../src/sshmasterconnection.cpp:663> User authentication OK. x2go-DEBUG-../src/onmainwindow.cpp:2884> SSH connection established. x2go-DEBUG-../src/onmainwindow.cpp:3193> Continue normal X2Go session x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 0: "export HOSTNAME && x2golistsessions" x2go-DEBUG-../src/sshprocess.cpp:204> this=SshProcess(0x1a68c10) Running masterCon->addChannelConnection(this, ' "acef35a2-bc0c-467a-9b81-6da9a52d96c8" ', ' "bash -l -c 'echo "X2GODATABEGIN:acef35a2-bc0c-467a-9b81-6da9a52d96c8"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; export HOSTNAME && x2golistsessions; echo "X2GODATAEND:acef35a2-b" '); x2go-DEBUG-../src/sshmasterconnection.cpp:1324> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1326> Passing new channel conenction object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1328> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1516> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:1520> New channel:0x7f18bc013420 x2go-DEBUG-../src/sshmasterconnection.cpp:1551> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:acef35a2-bc0c-467a-9b81-6da9a52d96c8"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; export HOSTNAME && x2golistsessions; echo "X2GODATAEND:acef35a2-bc0c-467a-9b81-6da9a52d96c8";'" x2go-DEBUG-../src/sshmasterconnection.cpp:1574> New exec channel created. ################################# I recently found that, when on the remote the encfs is mounted, then x2goclient connects as usual. So an obvious work-arround is to login (via ssh) on the remote before running x2goclient. Is this a bug? Is this a configuration error on 1 of my PCs? Is there a better work-arround Regards Jack

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Bug#799: x2golistdesktops returns nothing
by Tancredi-Paul Grozav 06 Oct '16

06 Oct '16

I can confirm that x2golistdesktops works without passing the -u parameter to ss. I changed the script /usr/bin/x2golistdesktops at line 68 from: my $lines=`ss -lxu`; to my $lines=`ss -lx`; And x2golistdesktops works fine and accessing a local desktop also works fine. --- Thank you, Tancredi-Paul Grozav

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Bug#1063: CreateDB fails with error `DBI connect('dbname=/var/lib/x2go/x2go_sessions', '', ...) failed`
by Mihai Moldovan 04 Oct '16

04 Oct '16

On 11.09.2016 05:09 AM, Sivachidambaram Somu wrote: > Sometimes I get the below error while trying to recreate DB. If I try to create > the user myself, I end up back in square one with the error I posted in my first > email. > > %sudo x2godbadmin --createdb > > Can not find user (x2gouser) I really don't understand how you can get this error. This means that the perl installation, that uses standard PAM libraries, was not able to get information for the 'x2gouser' user account on your system. Maybe files in /etc (like passwd or shadow) or an active- or LDAP directory are not available all the time on your system. From what I can tell, this looks like a connection issue between vital systems on your end. The X2Go scripts are not doing something sophisticated but simply calling the standard getpwnam() function in perl, which SHOULD map more or less directly to the getpwnam() function in the C library. If that is returning invalid information, you're in for trouble... You could try applying http://tinyurl.com/hy4mb4x but I doubt that'll help you a lot. :/ Mihai

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Bug#1097: Black screen after connecting to Ubunto 15.10 Unity from Win client
by Javier Klett 30 Sep '16

30 Sep '16

Package: X2GoClient_latest_mswin32-setup Version: 4.8.6 [image: Imágenes integradas 1] -- Javi

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Bug#1024: Refreshed x2goclient autostart multiple app patch with bug fix
by Jason Alavaliant 29 Sep '16

29 Sep '16

It's been a while since I submitted the original proposed patches for the x2goclient to allow it to support autostarting multiple applications. I note the original patches no longer applied to git master so I've refreshed them in git format-patch format and also fixed an off by one error that stopped the autostart option working when only one app was specified. Thanks Jason

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Bug#1024: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mihai Moldovan 29 Sep '16

29 Sep '16

tag #1024 pending fixed #1024 4.0.5.3 thanks Hello, X2Go issue #1024 (src:x2goclient) reported by you has been fixed in X2Go Git. You can see the changelog below, and you can check the diff of the fix at: http://code.x2go.org/gitweb?p=x2goclient.git;a=commitdiff;h=1ec40ee The issue will most likely be fixed in src:x2goclient (4.0.5.3). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit 1ec40ee32d26b19f4213768e87ebad27b56190ed Author: Jason Alavaliant <alavaliant(a)ra09.com> Date: Sun Sep 25 20:17:17 2016 +1300 src/{onmainwindow.{cpp,h},help.cpp}: modify autostart option to support multiple autostart apps at the same time. Fixes: #1024. diff --git a/debian/changelog b/debian/changelog index 24182c4..3fb5cc8 100644 --- a/debian/changelog +++ b/debian/changelog @@ -17,6 +17,11 @@ x2goclient (4.0.5.3-0x2go1) UNRELEASED; urgency=medium file. Qt5 stumbles upon that - i.e., it doesn't try to compile files with the "rcc" extension, while Qt4 did. + [ Jason Alavaliant ] + * New upstream version (4.0.5.3): + - src/{onmainwindow.{cpp,h},help.cpp}: modify autostart option to support + multiple autostart apps at the same time. Fixes: #1024. + -- X2Go Release Manager <git-admin(a)x2go.org> Mon, 19 Sep 2016 09:07:07 +0200 x2goclient (4.0.5.2-0x2go1) unstable; urgency=medium

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Bug#1096: X2Go issue (in src:x2goclient) has been marked as pending for release
by Mihai Moldovan 29 Sep '16

29 Sep '16

tag #1096 pending fixed #1096 4.0.5.3 thanks Hello, X2Go issue #1096 (src:x2goclient) reported by you has been fixed in X2Go Git. You can see the changelog below, and you can check the diff of the fix at: http://code.x2go.org/gitweb?p=x2goclient.git;a=commitdiff;h=517d90a The issue will most likely be fixed in src:x2goclient (4.0.5.3). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit 517d90a1db044c80a6ccadd53210668d50ace9d4 Author: Bernard Cafarelli <voyageur(a)gentoo.org> Date: Thu Sep 29 01:30:05 2016 +0200 {res/,x2goclient.pro}: rename .rcc files to .qrc. Fixes: #1096. "rcc" is the extension for compiled resource files, whereas "qrc" is the mapping file. Qt5 stumbles upon that - i.e., it doesn't try to compile files with the "rcc" extension, while Qt4 did. diff --git a/debian/changelog b/debian/changelog index c6140de..24182c4 100644 --- a/debian/changelog +++ b/debian/changelog @@ -10,6 +10,13 @@ x2goclient (4.0.5.3-0x2go1) UNRELEASED; urgency=medium - src/onmainwindow.cpp: fix error message string in printSshDError_noHostPubKey (). + [ Bernard Cafarelli ] + * New upstream version (4.0.5.3): + - {res/,x2goclient.pro}: rename .rcc files to .qrc. Fixes: #1096. "rcc" is + the extension for compiled resource files, whereas "qrc" is the mapping + file. Qt5 stumbles upon that - i.e., it doesn't try to compile files + with the "rcc" extension, while Qt4 did. + -- X2Go Release Manager <git-admin(a)x2go.org> Mon, 19 Sep 2016 09:07:07 +0200 x2goclient (4.0.5.2-0x2go1) unstable; urgency=medium

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Bug#1095: Fwd: Fedora 24 messages log filling up with pulseaudio main.c refusing to start/autospawn
by Robert Kudyba 28 Sep '16

28 Sep '16

package: x2goserver Version: 4.0.1.19 Release: 11.fc24 pulseaudio[]: [pulseaudio] main.c: User-configured server at localhost:30007, refusing to start/autospawn. Here is a ps on the processes running: xxxi 6491 0.3 0.3 381472 83464 ? S Sep17 48:56 /usr/lib64/nx/../x2go/bin/x2goagent -extension XFIXES -nolisten tcp -nolisten tcp -dpi 144 -D -auth /u/erdos/students/shi/.Xauthority -geometry 800x600 -name X2GO-shi-51-1474143176_stDMATE_dp32 :51 xxx 6752 0.0 0.0 116356 1780 ? Ss Sep17 0:00 /bin/bash /usr/bin/x2goruncommand 51 6491 shi-51-1474143176_stDMATE_dp32 30007 mate-session nosnd D root 16516 0.0 0.0 149928 8032 ? S 10:52 0:00 /usr/bin/perl /usr/sbin/x2gocleansessions Package info via dnf: Name : x2goagent Arch : x86_64 Epoch : 0 Version : 3.5.0.32 Release : 4.fc24 Size : 37 k Repo : @System >From repo : @commandline Summary : X2Go Agent URL : http://x2go.org/ License : GPLv2+ Description : X2Go agent functionality has been completely incorporated into : nxagent's code base. If the nxagent binary is executed under the : name of "x2goagent", the X2Go functionalities get activated. : : The x2goagent package is a wrapper that activates X2Go branding in : nxagent. Please refer to the nxagent package's description for : more information on NX. Name : x2goserver Arch : x86_64 Epoch : 0 Version : 4.0.1.19 Release : 11.fc24 Size : 302 k Repo : @System >From repo : @commandline Summary : X2Go Server URL : http://www.x2go.org License : GPLv2+ Description : X2Go is a server based computing environment with : - session resuming : - low bandwidth support : - session brokerage support : - client side mass storage mounting support : - audio support : - authentication by smartcard and USB stick : : This package contains the main daemon and tools for X2Go : server-side session administrations. Name : x2goserver-xsession Arch : x86_64 Epoch : 0 Version : 4.0.1.19 Release : 11.fc24 Size : 8.0 k Repo : @System >From repo : updates Summary : X2Go Server Xsession runner URL : http://www.x2go.org License : GPLv2+ Description : X2Go is a server based computing environment with : - session resuming : - low bandwidth support : - session brokerage support : - client side mass storage mounting support : - audio support : - authentication by smartcard and USB stick : : This X2Go server add-on enables Xsession script handling : when starting desktop sessions with X2Go. : : Amongst others the parsing of Xsession scripts will : enable desktop-profiles, ssh-agent startups, gpgagent : startups and many more Xsession related features on : X2Go session login automagically.

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