Hi Mihai,
> That's the old, more or less unsupported version and additionally provided by > EPEL, not by our repositories. Interesting. Thank you for pointing that out. I would like to correct this to run with a supported stack then. Apologies if I'm missing something obvious, but is there documentation that shows how to install from your repositories on RHEL 7? I installed x2goserver following the instructions from the wiki<https://wiki.x2go.org/doku.php/doc:installation:x2goserver>: RHEL 7 Add the EPEL repository: EPEL Installation Intructions<https://fedoraproject.org/wiki/EPEL#How_can_I_use_these_extra_packages.3F> Check that you have activated the "optional" channel: sudo subscription-manager repos --list If the optional channel for your base channel is not active, activate it. sudo subscription-manager repos --enable=rhel-7-server-optional-rpms Or use the RHNS web interface to activate the channel "RHEL Server Optional" Then sudo yum install x2goserver x2goserver-xsession Looking through my yum history confirms what you said about the software coming from EPEL: Transaction ID : 23 Begin time : Wed Oct 11 16:16:03 2017 Begin rpmdb : 732:22a7d0c0c35d36230fbfc3bd93be2adab6d0679c End time : 16:16:09 2017 (6 seconds) End rpmdb : 768:eb5810a8c8048bd3c405c89d5589f03c7aa209a9 User : root <root> Return-Code : Success Command Line : install x2goserver -y Transaction performed with: Installed rpm-4.11.3-21.el7.x86_64 @rhel-7-server-rpms/7.3 Installed subscription-manager-1.17.15-1.el7.x86_64 @rhel-7-server-rpms/7.3 Installed yum-3.4.3-150.el7.noarch @rhel-7-server-rpms/7.3 Packages Altered: Dep-Install bc-1.06.95-13.el7.x86_64 @rhel-7-server-rpms Dep-Install fuse-sshfs-2.5-1.el7.x86_64 @epel Dep-Install libNX_X11-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xcomposite-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xdamage-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xdmcp-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xext-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xfixes-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xinerama-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xpm-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xrandr-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xrender-3.5.0.32-3.el7.x86_64 @epel Dep-Install libNX_Xtst-3.5.0.32-3.el7.x86_64 @epel Dep-Install libXcomp-3.5.0.32-3.el7.x86_64 @epel Dep-Install libXcompext-3.5.0.32-3.el7.x86_64 @epel Dep-Install libXcompshad-3.5.0.32-3.el7.x86_64 @epel Dep-Install libXfont-1.5.2-1.el7.x86_64 @rhel-7-server-rpms Dep-Install nx-libs-3.5.0.32-3.el7.x86_64 @epel Dep-Install nxagent-3.5.0.32-3.el7.x86_64 @epel Dep-Install perl-Capture-Tiny-0.24-1.el7.noarch @rhel-7-server-optional-rpms Dep-Install perl-Compress-Raw-Bzip2-2.061-3.el7.x86_64 @rhel-7-server-rpms Dep-Install perl-Compress-Raw-Zlib-1:2.061-4.el7.x86_64 @rhel-7-server-rpms Dep-Install perl-Config-Simple-4.59-15.el7.noarch @rhel-7-server-optional-rpms Dep-Install perl-DBD-SQLite-1.39-3.el7.x86_64 @rhel-7-server-rpms Dep-Install perl-DBI-1.627-4.el7.x86_64 @rhel-7-server-rpms Dep-Install perl-File-BaseDir-0.03-14.el7.noarch @epel Dep-Install perl-File-Which-1.09-12.el7.noarch @rhel-7-server-optional-rpms Dep-Install perl-IO-Compress-2.061-2.el7.noarch @rhel-7-server-rpms Dep-Install perl-Net-Daemon-0.48-5.el7.noarch @rhel-7-server-rpms Dep-Install perl-PlRPC-0.2020-14.el7.noarch @rhel-7-server-rpms Dep-Install perl-Sys-Syslog-0.33-3.el7.x86_64 @rhel-7-server-rpms Dep-Install pwgen-2.07-1.el7.x86_64 @epel Dep-Install x2goagent-3.5.0.32-3.el7.x86_64 @epel Install x2goserver-4.0.1.20-1.el7.x86_64 @epel Dep-Install xorg-x11-font-utils-1:7.5-20.el7.x86_64 @rhel-7-server-rpms Dep-Install xorg-x11-fonts-misc-7.5-9.el7.noarch @rhel-7-server-rpms Thanks, Ivan G. -----Original Message----- From: Mihai Moldovan [mailto:io...@ionic.de] Sent: Wednesday, March 28, 2018 7:22 PM To: Ivan Gomez <igo...@zencos.com> Cc: x2go-user@lists.x2go.org Subject: Re: [X2Go-User] X2Go Client suddenly failing to connect * On 03/28/2018 02:58 PM, Ivan Gomez wrote: > libNX_X11-3.5.0.32-3.el7.x86_64 > libNX_Xcomposite-3.5.0.32-3.el7.x86_64 > libNX_Xdamage-3.5.0.32-3.el7.x86_64 > libNX_Xdmcp-3.5.0.32-3.el7.x86_64 > libNX_Xext-3.5.0.32-3.el7.x86_64 > libNX_Xfixes-3.5.0.32-3.el7.x86_64 > libNX_Xinerama-3.5.0.32-3.el7.x86_64 > libNX_Xpm-3.5.0.32-3.el7.x86_64 > libNX_Xrandr-3.5.0.32-3.el7.x86_64 > libNX_Xrender-3.5.0.32-3.el7.x86_64 > libNX_Xtst-3.5.0.32-3.el7.x86_64 > nxagent-3.5.0.32-3.el7.x86_64 > nx-libs-3.5.0.32-3.el7.x86_64 > x2goagent-3.5.0.32-3.el7.x86_64 > x2goserver-4.0.1.20-1.el7.x86_64 That's the old, more or less unsupported version and additionally provided by EPEL, not by our repositories. > One new update on this issue: > Updated x2gosever on one of the servers that was showing the issue to > x2goserver-4.0.1.22-2.el7.x86_64. After the update, access through that > server started working again. > Any guidance to understand the root cause would still be greatly appreciated. I'm afraid I can't offer a lot of help here. You could look into ~/.x2go/C-<session-id>/session.log to see what the server-side process logged out. At some point it must have failed to run correctly, otherwise the client-side nxproxy would have been able to connect successfully. Debugging such issues is always difficult. Mihai
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