x2go-dev September 2016

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26 participants
134 discussions

Bug#1088: Debian Repository - wrong key
by Andreas Hirczy 14 Sep '16

14 Sep '16

Package: x2goclient Version: 4.0.5.1 The Repository for Debian Jessie on <http://packages.x2go.org/> is signed with a key F4A7678C9C6B0B2B. But documentation on <http://wiki.x2go.org/doku.php/wiki:repositories:debian> says to install key E1F958385BFE2B6E. It seems, the package "x2go-keyring" also has only the older key; which is no surprise: root@faepop69 ~ # apt-cache policy x2go-keyring x2go-keyring: Installed: 2012.07.23+wheezy~main~17~build1 Candidate: 2012.07.23+… [View More]

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Bug#1087: X2goclient crashes after start on Windows 7 and XP
by vitas1＠iteranet.ru 14 Sep '16

14 Sep '16

Package: x2goclient Version: 4.0.5.1-2016.08.18 Hello. X2goclient on Windows 7 and Windows XP crashes after trying to establish session . Steps to reproduce the error: 1. Install X2goclient (no errors). 2. Launch X2goclient.(no errors). 3. Create a new session with default settings (no errors). 4. Try to launch new session. After some time X2goclient crashes with the following error: AppName: x2goclient.exe AppVer: 0.0.0.0 ModName: x2goclient.exe ModVer: 0.0.0.0 Offset: 0076072d This … [View More]

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Bug#1086: update package x2go-keyring with new package signing key
by Christian Kreidl 13 Sep '16

13 Sep '16

Package: x2go-keyring Hi! W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://packages.x2go.org/debian stretch InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F4A7678C9C6B0B2B Please update the x2go-keyring package with the new package signing key and store the public key in /etc/apt/trusted.gpg.d so apt can use it to check the repository. … [View More]

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Bug#1081: backing-store disabled with session type single application
by Aki Ketolainen 13 Sep '16

13 Sep '16

(In my co-worker's computer it's something deeper than the desktop environment that causes these slow updates. Both Unity and XFCE in his laptop have these slow updates.)

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Bug#1085: VcXsrv crash after CTRL ALT f
by Troels Arvin 13 Sep '16

13 Sep '16

Package: x2goclient Version: 4.0.5.1 I consistently get a VcXsrv crash when using the CTRL ALT f key combination to (try to) move from non-fullscreen mode to full-screen mode; screenshot attached. The text (which is in Danish) reads: VcXsrv windows xserver (X2Go/Arctica Builds) has stopped working. A problem caused the program to stop functioning properly. Close the program. I have tried copying in the latest VcXsrv binaries from http://vcxsrv.sourceforge.net/ to X2go's directory,… [View More]

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Bug#1083: Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user
by René Genz 12 Sep '16

12 Sep '16

Hi Uli, I downgraded all packages to the status at release date of Fedora 24 to no avail. Packages have been updated again. I filed a bug report at RedHat Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1375194 Hi Orion, I saw that bug report and to me it looked too different, so I ignored it. In hindsight that was a mistake. I am sorry for wasting everyones time. The workaround works for me. What I did: ### on X2Go Server root@f24# cat >> /usr/local/bin/xfce4-session-test &… [View More]

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Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user
by René Genz 12 Sep '16

12 Sep '16

Package: x2goserver-xsession Version: 4.0.1.19 the situation with X2Go and Fedora 22 x86_64 as X2Go server: - local Xfce session does not block X2Go Xfce session of same user - X2Go Xfce session does not block local Xfce session for same user I did not test with Fedora 23. Unfortunately, with Fedora 24 x86_64 as X2Go server this changed: - local Xfce session blocks X2Go Xfce session of same user - X2Go Xfce session blocks local Xfce session for same user Choosing non-Xfce entry (f.e. … [View More]LXDE) as X2Go and local session the connection is established and the session is started and working fine at the same time. No automatic disconnection. Problem can be reproduced with these steps: on X2Go server computer (Fedora 24 x86_64): log in to Xfce session as 'user' on X2Go client computer: - start X2Go Client and connect to X2Go server as 'user' and a Xfce session - in X2Go Client status changes to 'Running' - window for remote computer appears - some seconds later same window is closed automatically - in X2Go Client status changes to 'Finished' The X2Go Client version and operating system does not seem to matter. I could reproduce the problem with: - Windows 7 X2Go Client 4.0.5.1 2016-08-18 - Lubuntu 14.04 X2Go Client 4.0.1.1 - Mac OS X 10.10.6 with X2Go Client 4.0.5.1 Output on Fedora 24 X2Go server is: $ tail -f /home/user/.xsession-x2go-errors XSession-x2go: X session started for user at Sat Sep 10 15:09:20 CEST 2016 xfce4-session: Another session manager is already running $ sudo tail -f /var/log/messages Sep 10 15:30:51 f24e5720 systemd-logind: New session 21 of user user. Sep 10 15:30:51 f24e5720 systemd: Started Session 21 of user user. ... Sep 10 15:30:53 f24e5720 /usr/sbin/x2gocleansessions[753]: user-50-1473514252_stDXFCE_dp24: state file for this session does not exist: /tmp/.x2go-user/C-user-50-1473514252_stDXFCE_dp24/state (this can be ignored during session startups) Sep 10 15:30:54 f24e5720 /usr/bin/x2gostartagent: successfully started X2Go agent session with ID user-50-1473514252_stDXFCE_dp24 ... Sep 10 15:30:55 f24e5720 /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="xfce4-session" ... Sep 10 15:31:07 f24e5720 systemd-logind: Removed session 21. Disabling SElinux on Fedora 24 X2Go server does not make a difference: $ sudo vim /etc/selinux/config set to disabled $ sudo reboot Performing fresh installation of Fedora 24 X2Go server from scratch does not make a difference. Version number comparison: ### F22 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-3.fc22.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-3.fc22.x86_64 $ rpm -q x2goserver-xsession x2goserver-xsession-4.0.1.19-3.fc22.x86_64 ### F24 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-9.fc24.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-11.fc24.x86_64 $ rpm -q x2goserver-xsession x2goserver-4.0.1.19-11.fc24.x86_64 Maybe changes for this bug are related? http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1046 If you think this is a bug in xfce4-session or Fedora, please, tell me and I will file a bug report there. -- Kind regards, René [View Less]

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Bug#1084: (NMRDraw) XView error: Cannot open connection to window server
by René Genz 10 Sep '16

10 Sep '16

Package: x2goclient Version: 4.0.5.1-2016.08.18 On Windows 7 using the built-in X server of X2Go Client starting `nmrDraw` fails. It is a program from the NMRPipe environment, installation guide is below. Xfce is used as session. X2Go server is: Fedora 24 x86_64 (reproducable with Fedora 22 x86_64 as X2Go server) $ rpm -q x2goserver x2goserver-4.0.1.19-11.fc24.x86_64 $ rpm -q x2goserver-xsession x2goserver-xsession-4.0.1.19-11.fc24.x86_64 $ rpm -q nxagent nxagent-3.5.0.32-4.fc24.x86_64 … [View More]After starting nmrDraw from the terminal no window of nmrDraw appears as expected. The error message is: $ nmrDraw ... (NMRDraw) XView error: Cannot open connection to window server: :50.0 (Server package) Using a different X server is a workaround. The steps are: 1. download freeware: http://mobaxterm.mobatek.net/download.html -- Home Edition if you lack administrative rights to install 'installer edition', download and extract 'portable edition' 2. close all X2Go connections 3. reconfigure X2Go client: X2Go Client -- Options -- Settings... -- X.Org Server settings: |x| use custom X-Server change from: executable: C:\program files\vcxsrv\vcxsrv.exe command line options: -multiwindow -notrayicon -clipboard to: # for portable version executable: path to MobaXterm_Personal_9.0.exe # for installer version (packages extracted during runtime to %temp%\Mxt90 ; X-Server is: %temp%\Mxt90\bin\XWin_MobaX.exe) executable: %programfiles%\Mobatek\MobaXterm Personal Edition\MobaXterm.exe on 64 bit OS: %programfiles(x86)%\Mobatek\MobaXterm Personal Edition\MobaXterm.exe # either version append to command line options: -silent-dup-error -nolisten inet6 -hostintitle +bs -nowgl -noreset :0 4. restart X2Go client Other X2Go clients I tested and the outcome of starting `nrmDraw`: on Lubuntu 14.04 with X2Go Client 4.0.1.1: error on Mac OS X 10.10.6 with X2Go Client 4.0.5.1: OK on Fedora 24 x86_64 with X2Go Client 4.0.5.1: OK The installation guide for NMRPipe follows. The commands work for Fedora 24 x86_64 using a Bash shell. ### NMRPipe (analyze NMR spectra) installation guide ### website: https://www.ibbr.umd.edu/nmrpipe/install.html ; old: http://spin.niddk.nih.gov/NMRPipe/ # user must use tcsh to use programs, f.e. `nmrDraw` ### download installation files ## required: wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/download/install.com' # install script wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/download/binval.com' # an auxiliary script which determines system type wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/download/NMRPipeX.tZ' # data for all versions of NMRPipe # font.com not required! only use the "font.com" script if the "install.com" procedure or README_NMRPIPE_USERS file indicates that it is needed for your system (mostly just SGI/IRIX systems, and some versions of Linux) ## optional: #wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/download/talos.tZ' # files required for TALOS+ and SPARTA+ #wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/download/dyn.tZ' # files required for DYNAMO and MFR # DemonstrationData #wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/data/data.tar' #wget --timestamping 'http://spin.niddk.nih.gov/NMRPipe/install/valpha/valpha_all.tar' ### download installation files -- no difference # http://nmrpipe.org/install.html ## required: #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/install.com' # Install script #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/binval.com' # Used by install script #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/NMRPipeX.tZ' # NMRPipe executables and files for Linux and Mac OS X #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/s.tZ' # NIST IBBR Updates for NMRPipe ## optional: #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/dyn.tZ' # Optional Ramachandran surfaces for TALOS+ graphics, PDB data and all files for DYNAMO and MFR #wget --timestamping 'https://www.ibbr.umd.edu/nmrpipe/talos.tZ' # Files required for TALOS-N, TALOS+, and SPARTA+ ### installation ## required programs dnf install -y tcsh dnf install -y xterm ## 32 bit compatibility libs # ia32-libs @Debian/Ubuntu is the 32-bit version of the C standard library; glibc.i686 @Fedora dnf install -y glibc dnf install -y glibc.i* ## for nmrDraw on 64-bit Fedora dnf install -y libX11.so.6 dnf install -y libXext.so.6 ## some programs, such as SPARTA+ and TALOS+, might require 32-bit C++ libraries # $ repoquery -f */libstdc++.so # compat-gcc-34-c++-0:3.4.6-24.fc17.x86_64 # libstdc++-devel-0:4.7.2-8.fc18.i686 # gcc-c++-0:4.7.2-8.fc18.x86_64 dnf install -y libstdc++.so.6 dnf install -y libstdc++-devel.i* ## fonts dnf install -y xorg-x11-fonts-100dpi dnf install -y xorg-x11-fonts-ISO8859-1-100dpi dnf install -y xorg-x11-fonts-75dpi dnf install -y xorg-x11-fonts-ISO8859-1-75dpi dnf install -y xorg-x11-fonts-misc ## for test after installation dnf install -y xset ## put installation files into place DIR0="/usr/local/NMRPipe" mkdir -p "${DIR0}" for F in *.tZ; do mv "${F}" "${DIR0}" done for F in *.com; do mv "${F}" "${DIR0}" done # required for access later on chmod o+rx "${DIR0}" cd "${DIR0}" # *.Z and *.tar not present for F in *.tZ; do chmod a+r "${F}" done for F in *.com; do chmod a+rx "${F}" done #`./install.com +help` to generate a list of install command-line options and help #tcsh "${DIR0}/install.com" # tcsh not required for installation, works with Bash; execution or program requires tcsh, though "${DIR0}/install.com" ## modify config file to source environment automatically # man 1 tcsh => global file = /etc/csh.cshrc ; private file = ~/.cshrc # not changing /etc/csh.cshrc because ancient gnuplot from NMRPipe would be used by default, hence break workflow for other users # note TCSH is required to start/use programs! # users with Bash as default shell have to start TCSH before they can start `nmrDraw` FILE="${HOME}/.cshrc" echo "### NMRPipe" >> "${FILE}" # see above for DIR0 value! grep -v "#" /usr/local/NMRPipe/example.cshrc | grep -v '^$' >> "${FILE}" # Some previous versions of NMRPipe have an expiration date. To override the expiration date: echo "setenv NMR_CONT CORRECT_ALL" >> "${FILE}" # full path to `nmrDraw`: /usr/local/NMRPipe/nmrbin.linux9/nmrDraw -- Kind regards, René [View Less]

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Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user
by René Genz 10 Sep '16

10 Sep '16

sorry, a copy-paste error occured in version number comparison for Fedora 24. The right output is: $ rpm -q x2goserver-xsession x2goserver-xsession-4.0.1.19-11.fc24.x86_64

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Bug#976: stdin: is not a tty
by Sami Mattila 02 Sep '16

02 Sep '16

Replace in x2go server /root/.profile file entry... *msg n* With: *tty -s && mesg n* -- ___________ Sami Mattila

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x2go-dev September 2016