You could use ssh -X as an alternative On Fri, Mar 10, 2023, 5:04 AM Ulrich Sibiller <ul...@gmx.de> wrote:
> Please try x2goclient --libssh-debug, maybe it shows more information. > > Uli > > On Fri, Mar 10, 2023 at 10:58 AM Kalle Tuulos <ka...@tuulos.net> wrote: > > > > In short: X2Goserver is hosted in Ubuntu 22.04 computer. It is being > accessed from Ubuntu 20.04 and Windows 11. Previously, everything worked > well, but today morning, I could not any more get connection to this > computer, not from Ubuntu or from Windows 11. > > > > On the Windows client error message is: "The remote proxy closed the > connection while negotiating..." > > On Ubuntu client, x2goclient --debug print shows: > > --8<--8<-- > > RESUMING SESSION is KDRIVE: false > > x2go-DEBUG-../src/onmainwindow.cpp:6142> "Starting NX proxy, command: > nxproxy -S > nx/nx,options=/home/kalle/.x2go/S-ktuulos-50-1678441073_stDLXDE_dp24/options:50" > > x2go-DEBUG-../src/sshprocess.cpp:157> Direct tunnel: waiting for > connections on "localhost":34744 > > x2go-DEBUG-../src/onmainwindow.cpp:6618> Proxy wrote on stderr: > "\nNXPROXY - Version 3.5.99.23\n\nCopyright (c) 2001, 2011 NoMachine ( > http://www.nomachine.com)\nCopyright (c) 2008-2014 Oleksandr Shneyder < > o.shney...@phoca-gmbh.de>\nCopyright (c) 2014-2016 Ulrich Sibiller < > ul...@gmx.de>\nCopyright (c) 2014-2016 Mihai Moldovan > <io...@ionic.de>\nCopyright > (c) 2011-2016 Mike Gabriel <mike.gabr...@das-netzwerkteam.de>\nCopyright > (c) 2015-2016 Qindel Group (http://www.qindel.com)\n\nNXCOMP, NX protocol > compression and NX extensions to this software\nare copyright of the > aforementioned persons and companies.\n\nRedistribution and use of the > present software is allowed according\nto terms specified in the file > LICENSE.nxcomp which comes in the\nsource distribution.\n\nAll rights > reserved.\n\nNOTE: This software has received contributions from various > other\ncontributors, only the core maintainers and supporters are listed > as\ncopyright holders. Please contact us, if you feel you should be > listed\nas copyright holder, as well.\n\nNX protocol compression is derived > from DXPC project.\n\nCopyright (c) 1995,1996 Brian Pane\nCopyright (c) > 1996,1997 Zachary Vonler and Brian Pane\nCopyright (c) 1999 Kevin Vigor and > Brian Pane\nCopyright (c) 2000,2003 Gian Filippo Pinzari and Brian > Pane\n\nAll rights reserved.\n\nSee > https://github.com/ArcticaProject/nx-libs for more information.\n\nInfo: > Proxy running in server mode with pid '2505200'.\nSession: Starting session > at 'Fri Mar 10 11:37:54 2023'.\nInfo: Using errors file > '/home/kalle/.x2go/S-ktuulos-50-1678441073_stDLXDE_dp24/sessions'.\nInfo: > Using stats file '/home/kalle/.x2go/S-50/stats'.\nLoop: WARNING! Overriding > auxiliary X11 port with new value '1'.\nWarning: Overriding auxiliary X11 > port with new value '1'.\nInfo: Using abstract X11 socket in kernel > namespace for accessing DISPLAY=:50.\nInfo: Connecting to remote host > 'localhost:34744'.\nInfo: Connected to remote proxy on FD#5.\n" > > x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection. > > x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 14 > > x2go-DEBUG-../src/sshmasterconnection.cpp:1977> Creating new channel. > > x2go-DEBUG-../src/sshmasterconnection.cpp:1990> New > channel:0x7f41a4012000 > > x2go-DEBUG-../src/sshmasterconnection.cpp:1994> Forwarding parameters: > from remote ("localhost":33744) to local ("localhost":33758) > > x2go-DEBUG-../src/sshmasterconnection.cpp:2028> Temporary session port > after config file parse: 33744 > > x2go-DEBUG-../src/sshmasterconnection.cpp:2032> Temporary session host > after config file parse: localhost > > x2go-DEBUG-../src/sshmasterconnection.cpp:2059> New channel forwarded. > > .... > > x2go-DEBUG-../src/sshmasterconnection.cpp:2121> EOF on channel > 0x7f41a4012000; SshProcess object: 2 > > x2go-DEBUG-../src/sshmasterconnection.cpp:2222> EOF sent. > > x2go-DEBUG-../src/sshmasterconnection.cpp:2224> Channel closed. > > x2go-DEBUG-../src/onmainwindow.cpp:6618> Proxy wrote on stderr: "Loop: > PANIC! The remote NX proxy closed the connection.\nError: The remote NX > proxy closed the connection.\nLoop: PANIC! Failure negotiating the session > in stage '7'.\nError: Failure negotiating the session in stage '7'.\nLoop: > PANIC! Wrong version or invalid session authentication cookie.\nError: > Wrong version or invalid session authentication cookie.\nSession: > Terminating session at 'Fri Mar 10 11:37:59 2023'.\nSession: Session > terminated at 'Fri Mar 10 11:37:59 2023'.\nqt.qpa.xcb: X server does not > support XInput 2\n" > > x2go-DEBUG-../src/onmainwindow.cpp:6475> Deleting Proxy. > > x2go-DEBUG-../src/onmainwindow.cpp:6520> Waiting for proxy to exit. > > x2go-DEBUG-../src/onmainwindow.cpp:6544> Checking exit status. > > x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via > SshProcess object 3: "x2gocmdexitmessage ktuulos-50-1678441073_stDLXDE_dp24" > > --8<--8<-- > > > > Printing, audio and shared folder have previously been activated and > they have worked. Now I have disabled them and it does not make any > difference. > > > > I have tried to re-install x2go server by command: > > sudo apt-get install --reinstall x2goserver x2goserver-common > x2goserver-xsession > > > > On the server computer, .xsession-x2go-<client>-errors file has > following: > > --8<--8<-- > > XSession-x2go: X session started for ktuulos at pe 10.3.2023 11.30.25 > +0200 > > dbus-update-activation-environment: setting > DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus > > dbus-update-activation-environment: setting DISPLAY=:50 > > dbus-update-activation-environment: setting > XAUTHORITY=/home/ktuulos/.Xauthority > > xrdb: Connection reset by peer > > xrdb: Can't open display ':50' > > /etc/x2go/Xsession.d/30x11-common_xresources: line 16: has_option: > command not found > > xhost: unable to open display ":50" > > /etc/x2go/Xsession.d/75dbus_dbus-launch: line 9: has_option: command not > found > > dbus-update-activation-environment: setting QT_ACCESSIBILITY=1 > > /etc/x2go/Xsession.d/90x11-common_ssh-agent: line 9: has_option: command > not found > > dbus-update-activation-environment: setting SHELL=/bin/bash > > --8<--8<-- > > > > X2goserver host information: > > ktuulos@kallep50:~$ lsb_release -a > > No LSB modules are available. > > Distributor ID: Ubuntu > > Description: Ubuntu 22.04.2 LTS > > Release: 22.04 > > Codename: jammy > > ktuulos@kallep50:~$ dpkg -l x2go* openssh-server > > Desired=Unknown/Install/Remove/Purge/Hold > > | > Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend > > |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) > > ||/ Name Version Architecture Description > > > +++-=====================-===============-============-=================================== > > ii openssh-server 1:8.9p1-3ubuntu0.1 amd64 secure shell > (SSH) server, for secure access from remote machines > > un x2goagent <none> <none> (no > description available) > > ii x2goclient 4.1.2.2-2build1 amd64 X2Go Client > application (Qt5) > > un x2goclient-gtk <none> <none> (no > description available) > > un x2godesktopsharing <none> <none> (no > description available) > > un x2goprint <none> <none> (no > description available) > > ii x2goserver 4.1.0.3-5 amd64 X2Go Server > > ii x2goserver-common 4.1.0.3-5 all X2Go Server > (common files) > > un x2goserver-compat <none> <none> (no > description available) > > ii x2goserver-extensions 4.1.0.3-5 all X2Go Server > (extension support) > > ii x2goserver-fmbindings 4.1.0.3-5 all X2Go Server > (file manager bindings) > > un x2goserver-home <none> <none> (no > description available) > > un x2goserver-one <none> <none> (no > description available) > > ii x2goserver-printing 4.1.0.3-5 all X2Go Server > (printing support) > > un x2goserver-pyhoca <none> <none> (no > description available) > > ii x2goserver-x2goagent 4.1.0.3-5 amd64 X2Go Server's > X2Go Agent > > ii x2goserver-xsession 4.1.0.3-5 all X2Go Server > (Xsession runner) > > > > On the Ubuntu 20.04 version, x2go package versions are the same, but > openssh-server is version 1:8.2. > > > > Could someone please instruct how to get this working? This Ubuntu 22.04 > is my R&D work computer and I don't have a keyboard or monitor attached to > it at all, so now I can only use it through the SSH terminal, which makes > desktop operations pretty difficult. :( > > > > BR > > Kalle > > > > _______________________________________________ > > x2go-user mailing list > > x2go-user@lists.x2go.org > > https://lists.x2go.org/listinfo/x2go-user > _______________________________________________ > x2go-user mailing list > x2go-user@lists.x2go.org > https://lists.x2go.org/listinfo/x2go-user >
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