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TCE-Live
by caparcona＠web.de 22 Oct '18

22 Oct '18

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TCE-Live
by caparcona＠web.de 22 Oct '18

22 Oct '18

1 0

KEX Errors
by Robert Dinse 19 Oct '18

19 Oct '18

I am having difficulty connecting with the most recent stable of x2go for Windows on Windows 10 to my Linux servers. I am getting a KEX error (Key exchange error). Any hint as how to troubleshoot and fix? -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

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Failed to start X2Go Agent Session
by Daniel Kollmer 17 Oct '18

17 Oct '18

Hello After some user's session got broken due to a client/server incompatibility, the user deleted all their session data and then told me they can not log in at all anymore. At first I could not see any problem (everything worked as expected for me), but when I deleted my own /tmp/.x2go-danielk directory, I started having the exact same problem. The error I get is: Agent output: "Failed to start X2Go Agent session with ID danielk-50-1539704304_stRTERMINAL_dp24. X2Go Agent terminated unexpectedly. Aborting session startup. The complete relevant last part of the debug log is pasted below. The session.log for this session contains the error Error: Aborting session with 'Unable to open display 'nx/nx,options=/tmp/.x2go-danielk/C-danielk-50-1539704304_stRTERMINAL_dp24/options:50''. Do you have any idea how I can get this working again. It appears to me that something is not functioning accordingly with the session management, because the session state file remains in state STARTING and if I try logging in again then I get asked whether I want to terminate or suspend the running session (can't resume) Thanks for any help. Additional information about the system: X2Go Client 4.1.1.1 x2goserver: 4.1.0.0 x2goserver-common: 4.1.0.0 x2goserver-extensions: 4.1.0.0 x2goserver-x2goagent: 3.5.99.16 x2goserver-xsession: 4.1.0.0 CentOS Linux release 7.5.1804 Home directories are mounted on NFS The problem exists for different Windows and Linux clients tested (Windows 7, Windows 10, CentOS, Ubuntu) The complete relevant last part of the debug log is: x2go-DEBUG-../src/sshmasterconnection.cpp:1884> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:2072> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:2089> New channel:0x7fee0c00c780 x2go-DEBUG-../src/sshmasterconnection.cpp:2174> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:d9eae36c-6aa2-4fd4-9dfc-e700aaaea1d0"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions; echo "X2GODATAEND:d9eae36c-6aa2-4fd4-9dfc-e700aaaea1d0";'" x2go-DEBUG-../src/sshmasterconnection.cpp:2197> New exec channel created. x2go-DEBUG-../src/sshmasterconnection.cpp:2301> EOF on channel 0x7fee0c00c780; SshProcess object: 0 x2go-DEBUG-../src/sshmasterconnection.cpp:2369> EOF sent. x2go-DEBUG-../src/sshmasterconnection.cpp:2373> Channel closed. x2go-DEBUG-../src/sshprocess.cpp:526> SSH finished: raw output (stdout): "X2GODATABEGIN:d9eae36c-6aa2-4fd4-9dfc-e700aaaea1d0 X2GODATAEND:d9eae36c-6aa2-4fd4-9dfc-e700aaaea1d0 " x2go-DEBUG-../src/sshprocess.cpp:537> SSH finished: true - "" (0). x2go-DEBUG-../src/onmainwindow.cpp:3982> "" x2go-DEBUG-../src/onmainwindow.cpp:4556> Executing remote command: "X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_24 us auto 1 R TERMINAL both" x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 1: "X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_24 us auto 1 R TERMINAL both" x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x285a6d0) Running masterCon->addChannelConnection(this, ' "57b6188d-1487-4c88-9c6b-53043bddee5e" ', ' "bash -l -c 'echo "X2GODATABEGIN:57b6188d-1487-4c88-9c6b-53043bddee5e"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9" '); x2go-DEBUG-../src/sshmasterconnection.cpp:1880> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1882> Passing new channel connection object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1884> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:2072> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:2089> New channel:0x7fee0c00c780 x2go-DEBUG-../src/sshmasterconnection.cpp:2174> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:57b6188d-1487-4c88-9c6b-53043bddee5e"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_24 us auto 1 R TERMINAL both; echo "X2GODATAEND:57b6188d-1487-4c88-9c6b-53043bddee5e";'" x2go-DEBUG-../src/sshmasterconnection.cpp:2197> New exec channel created. x2go-DEBUG-../src/sshmasterconnection.cpp:2301> EOF on channel 0x7fee0c00c780; SshProcess object: 1 x2go-DEBUG-../src/sshmasterconnection.cpp:2369> EOF sent. x2go-DEBUG-../src/sshmasterconnection.cpp:2373> Channel closed. x2go-DEBUG-../src/sshprocess.cpp:526> SSH finished: raw output (stdout): "X2GODATABEGIN:57b6188d-1487-4c88-9c6b-53043bddee5e X2GODATAEND:57b6188d-1487-4c88-9c6b-53043bddee5e " x2go-DEBUG-../src/sshprocess.cpp:532> Have stderr only, something must be wrong. x2go-DEBUG-../src/sshprocess.cpp:537> SSH finished: false - "Failed to start X2Go Agent session with ID danielk-50-1539704304_stRTERMINAL_dp24. X2Go Agent terminated unexpectedly. Aborting session startup. " (1). x2go-DEBUG-../src/onmainwindow.cpp:5390> Agent output: "Failed to start X2Go Agent session with ID danielk-50-1539704304_stRTERMINAL_dp24. X2Go Agent terminated unexpectedly. Aborting session startup. -- Daniel Kollmer Computer Technology Group NIKHEF - Dutch National Institute for Sub-atomic Physics Science Park 105 1098 XG Amsterdam Phone: +31205922164

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X2Go: The Gathering 2018 (2018-11-09 - 2018-11-11) will take place at Stuttgart's hackerspace "shackspace"
by Stefan Baur 11 Oct '18

11 Oct '18

Dear $ALL, As stated in the subject line, X2Go: The Gathering 2018 will take place at Stuttgart's hackerspace "shackspace", from Friday afternoon, 2018-11-09, to Sunday afternoon/evening, 2018-11-11. So, only a little more than 4 weeks from now. X2Go: The Gathering is the annual event where users, admins, and developers of X2Go meet face to face, to discuss current X2Go-related issues, fix open bugs, and have a good time getting to know each other. As there is some overlap between X2Go, Arctica, and ORCA e.V., you can expect to see members of those groups as well. Food and beverages are available on-site at low cost. What will cost you money is if you need a place to sleep - we have a few hotels/hostels that we recommend; If you want to take part, and need a hostel/hotel room, please contact me at <X2Go-ML-1(a)baur-itcs.de> ASAP, so we can find a hostel/hotel room for you. Prices currently range from about 31 EUR (cheapest single-bed hostel bedroom) to about 80 EUR (single-bed hotel room), but these may change (increase!) as we get closer to the event date, so please book early if you can! However, this year, attendance *at the actual event* is free for everyone, as the venue is not charging us for using their facilities. Please *do* shoot me a quick e-mail (you can reach me at <x2go-ml-1(a)baur-itcs.de>) if you intend to attend, so we have an approximate idea of how many people we need to expect, whether you need a place to stay or not, will be around for breakfast/lunch/dinner, etc. etc. Further information regarding the event, like suggestions on how to travel to shackspace, and where the nearest suitable hostels/hotels are located, can be found at <https://wiki.x2go.org/doku.php/events:x2go-gathering-2018> - we will be updating this page whenever new information becomes available, so please monitor it closely if you plan to attend. We currently have one sponsor for the event - https://cfd.direct - that has pledged 500 EUR (plus VAT), like last year, and we appreciate it very much. Sadly, they are so far our only sponsor this year, so if you know someone willing and able to co-sponsor the event, please let me know at <X2Go-ML-1(a)baur-itcs.de>. Whether they wish to send us some "swag" with their company branding, or pledge money that we can use to lower dining and lodging costs for our participants, their sponsorship is greatly appreciated. Kind Regards, Stefan Baur -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan Baur Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243

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Fwd: x2goclient on openSUSE Tumbleweed
by Giacomo Rossi 11 Oct '18

11 Oct '18

I tried with x2goclient on openSUSE site that you suggested, but I obtain the same problem: if I try to install the rpm, this is the error "rpm -i /media/sf_Downloads/x2goclient-4.1.1.1-2.6.x86_64.rpm warning: /media/sf_Downloads/x2goclient-4.1.1.1-2.6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID faa17186: NOKEY error: Failed dependencies: libssh_threads.so.4()(64bit) is needed by x2goclient-4.1.1.1-2.6.x86_64" It seems that libssh_threads is not anymore available into the libssh package provided by openSUSE. Regards, Giacomo Giacomo Rossi A bad day freediving or spearfishing is better than the best day at work ---------- Forwarded message --------- From: Giacomo Rossi <giacombum(a)gmail.com> Date: mer 10 ott 2018 alle ore 22:13 Subject: Re: [X2Go-User] x2goclient on openSUSE Tumbleweed To: <paul(a)borowicz.org> Il giorno mer 10 ott 2018 alle ore 19:54 Paul Borowicz <paul(a)borowicz.org> ha scritto: > Did you check the opensuse site for that package? > https://software.opensuse.org/search > > On Wed, Oct 10, 2018 at 1:09 PM Giacomo Rossi <giacombum(a)gmail.com> wrote: > >> I'm trying to install x2goclient on openSUSE Tumbleweed following the >> official x2go guide that can be found here: >> https://wiki.x2go.org/doku.php/wiki:repositories:suse >> >> After adding the repo, I do a "zypper refresh" followed by a "zypper >> install x2goclient" but unfortunately the installation cannot proceed >> because I obtain the following error: >> >> "Problem: nothing provides libssh.so.4(LIBSSH_0.7.2)(64bit) needed by >> x2goclient-4.1.1.1-1.6.x86_64 >> Solution 1: do not install x2goclient-4.1.1.1-1.6.x86_64 >> Solution 2: break x2goclient-4.1.1.1-1.6.x86_64 by ignoring some of its >> dependencies >> >> Choose from above solutions by number or cancel [1/2/c] (c):" >> >> Is there a way to solve this? Both libssh4 and libssh-devel versions >> installed on the system are 0.8.3-1.1. Tell me if I've to provide further >> informations. >> >> Regards, >> >> Giacomo Rossi >> A bad day freediving or spearfishing is better than the best day at work >> >> _______________________________________________ >> x2go-user mailing list >> x2go-user(a)lists.x2go.org >> https://lists.x2go.org/listinfo/x2go-user > >

2 1

Local Desktop access crashes client almost immediately
by James M. Pulver 06 Oct '18

06 Oct '18

I'm running Scientific Linux 7.4 on the server, and Windows 7 on the client. I want to access my accounts (non-privileged) local desktop remotely. I log in and select the local desktop option in the client. I get a flash of the desktop (with the wrong screen size remotely anyway - I see a small part of the desktop) and then the Windows X server crashes. x2goserver-4.0.1.20-1.el7.x86_64 X2Go Client v. 4.1.0.0 Any ideas? -- James Pulver CLASSE Computer Group Cornell University

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x2goclient segfault with ubuntu 18.04 kde
by Michael 06 Oct '18

06 Oct '18

Hi I'm getting a segfault on kde (at the moment it's the neon.kde.org packages, but before it was kubuntu) on ubuntu 18.04. How do I debug the crash or better still, how do I fix the crash? I saw a bug about x2goserver and kde, it could be related i guess. https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1312 x2goclient version 4.1.2.1 (I updated to the debs supplied by x2go after the ubuntu supplied version crashed) the server is an centos 6 it was epel 4.0.1.20-1.el6.i686 but I upgraded it to the packages supplied by x2go x2goserver-4.1.0.2 Also, is there a snap available? google says no. x2go-DEBUG-../src/onmainwindow.cpp:6278> Proxy wrote on stderr: "Info: Connection with remote proxy completed. Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. " x2go-DEBUG-../src/onmainwindow.cpp:6278> Proxy wrote on stderr: "Info: Using ADSL link parameters 1408/24/1/0. Info: Using cache parameters 4/4096KB/8192KB/8192KB. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'. Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 4" x2go-DEBUG-../src/onmainwindow.cpp:6278> Proxy wrote on stderr: "/4. Info: No suitable cache file found. Info: Forwarding X11 connections to display ':0'. Info: Forwarding auxiliary X11 connections to display ':0'. Session: Session started at 'Sat Oct 6 14:43:15 2018'. " x2go-DEBUG-../src/onmainwindow.cpp:11226> "Searching proxy window: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12831> "Searching window with title: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:11226> "Searching proxy window: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12831> "Searching window with title: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:11226> "Searching proxy window: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12831> "Searching window with title: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:6278> Proxy wrote on stderr: "Info: Established X server connection. " x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 3: "x2gobasepath" x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x562bd7159a30) Running masterCon->addChannelConnection(this, ' "319d270c-627c-4a24-b2cc-3ae23fc13f67" ', ' "bash -l -c 'echo "X2GODATABEGIN:319d270c-627c-4a24-b2cc-3ae23fc13f67"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2gobasepath; echo "X2GODATAEND:319d270c-627c-4a24-b2cc-3ae23fc13f" '); 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/onmainwindow.cpp:11226> "Searching proxy window: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12831> "Searching window with title: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:11226> "Searching proxy window: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12831> "Searching window with title: X2GO- testmichael-50-1538800991_stDgnome-session-wrapper_dp24" x2go-DEBUG-../src/sshmasterconnection.cpp:2083> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:2100> New channel:0x7fd6a4014750 x2go-DEBUG-../src/sshmasterconnection.cpp:2185> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:319d270c-627c-4a24-b2cc-3ae23fc13f67"; export PATH="/usr/ local/bin:/usr/bin:/bin";export TERM="dumb"; x2gobasepath; echo "X2GODATAEND: 319d270c-627c-4a24-b2cc-3ae23fc13f67";'" x2go-DEBUG-../src/sshmasterconnection.cpp:2208> New exec channel created. Segmentation fault WARNING: failed to kill process group '25664': No such process

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Re: [X2Go-User] How long should an X2go session stay up?
by Paul Borowicz 05 Oct '18

05 Oct '18

I've never left an individual session connected for more then a day and I frequently drop the connection after afew hours. Everything should reconnect and be exactly where you left it. On Fri, Oct 5, 2018, 1:14 PM James M. Pulver <jmp242(a)cornell.edu> wrote: > Seems like they're loosing the connection. They can often re-connect. > > -- > James Pulver > CLASSE Computer Group > Cornell University > > On 10/05/2018 01:01 PM, Paul Borowicz wrote: > > I leave the same session open for months. Are they losing the > > connection, or the session is logging out? > > > > Paul > > > > On Fri, Oct 5, 2018, 11:28 AM James M. Pulver <jmp242(a)cornell.edu > > <mailto:jmp242@cornell.edu>> wrote: > > > > I have several users complaining that they "lose" their X2Go session > > after a week or two and have to re-connect. This is on our local LAN > so > > it's unlikely to be a network drop, though there may be a momentary > > interruption. In the interest of setting expectations - how long do > you > > all expect an open X2Go session to stay connected and running? > > -- > > James Pulver > > CLASSE Computer Group > > Cornell University > > _______________________________________________ > > x2go-user mailing list > > x2go-user(a)lists.x2go.org <mailto:x2go-user@lists.x2go.org> > > https://lists.x2go.org/listinfo/x2go-user > > >

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How long should an X2go session stay up?
by James M. Pulver 05 Oct '18

05 Oct '18

I have several users complaining that they "lose" their X2Go session after a week or two and have to re-connect. This is on our local LAN so it's unlikely to be a network drop, though there may be a momentary interruption. In the interest of setting expectations - how long do you all expect an open X2Go session to stay connected and running? -- James Pulver CLASSE Computer Group Cornell University

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