x2go-user May 2015

x2go-user@lists.x2go.org

14 participants
25 discussions

x2goserver on Ubuntu Mate 15.04 with 4k monitor and high font-rendering DPI
by Simon Baev 21 May '15

21 May '15

Hello, I'm looking for a way to run *x2goserver* on *Ubuntu Mate 15.04* which is living on computer with *4k monitor* attached. I changed *DPI* settings in Control Center -> Appearance -> Fonts -> Details to *168* to let all applications look good when I work on that machine locally. When I connect to this machine using *x2goclient* running on another Ubuntu Mate 15.04 (attached monitor has resolution of 1680x1050, fullscreen mode) I am seeing *huge* fonts (as expected) because it also uses dpi of 168 for that remote connection. *My question*: would it be possible to run *pre-connection* (and then post-connection) script(s) to temporally change DPI to "normal" value of 96 before and recover it back to 168 upon completion of the x2go session? I guess it can be done by running "*gsettings set org.mate.font-rendering dpi 96*" command but I'm not sure where to include this command. And also I'm not sure how to protect against abnormal session termination... what if session will terminate without recovering DPI back to 168? Thanks. -- Simon

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The remote proxy closed the connection while negotiating the session.
by Kjetil Fleten 21 May '15

21 May '15

I have an issue with a server, that has stopped working. I can log in with ssh, but the x2goclient gives the error "The remote proxy closed the connection while negotiating the session. This may be due to the wrong authentication credentials passed to the server." I have other x2goservers, that works fine from the same client. The affected server has been rebooted, and I have also tried to purge x2goserver and reinstalled. No resolution yet. I can see that the version on the affected server is 4.0.1.19-0~106. On the server that works, it's 4.1.0.0-0~1257. I have tried to: sudo add-apt-repository ppa:x2go/ppa sudo apt-get update sudo apt-get upgrade But it seems like the update command don't fetch the x2go-repository at all. Anyone that has ideas to resolve this ? -- best regards Kjetil

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X2Go Client: Where to put RSA key for auto login on Windows
by Schmid Andreas 21 May '15

21 May '15

Hi List I'm trying to use the "Try auto login" feature on Windows, but it's not working (tested with X2Go Client 4.0.3.2). When connecting, I'm always asked for a password to open the key, but I actually didn't set any passphrase at all for my RSA key. I suspect that maybe X2Go Client does not even find the key. Which is the right location to put my RSA key in? Does X2Go Client consider any environment variables? (When I enter the actual path to the key in the "Use RSA/DAS key for ssh connection" field and unset the auto login option, the connection works.) Thanks a lot for your help. Andy

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Re: [X2Go-User] [INTERNET] Re: Broker installation
by Mike Gabriel 20 May '15

20 May '15

Hi Franck, (re-adding x2go-user ML to Cc:) On Mo 18 Mai 2015 21:02:51 CEST, BOTZ Franck (Administrateur Systèmes et Réseaux) - DDT 67/SIDSIC/Pôle Infra wrote: > Thanks ! It works ..... but not completely > > I put the nigtly version on the broker, server and client. I move > the server to a postgresql database. > > The client connect perfectly to the server. > > When I try to connect trough the broker : > * I see the server > * I can open a session on it > * the unity dash does is invisible but works > * the session open and 5 or 6 window are launched with a ? as icon > * the bar on the top is sparkling > * It is not possible to close session > > Any idea ? > > Regards > > Franck These commits [1,2] should fix your issue. The broker presumes that desktop session commands (command=...) are given in uppercase letters. I have now added code to x2gobroker, that also allows desktop session commands to be lower or mixed case. Nightly builds should be available within the next 24h. Greets, Mike [1] http://code.x2go.org/gitweb?p=x2gobroker.git;a=commitdiff;h=46784d16a43eebe… [2] http://code.x2go.org/gitweb?p=x2gobroker.git;a=commitdiff;h=9fcb404070c352d… -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Broker installation
by "BOTZ Franck (Administrateur Systèmes et Résea ux) - DDT 67/SIDSIC/Pôle Infra" 18 May '15

18 May '15

Hi ! I'm new in x2go installation/utilisation. I start with install a x2go server on a precise distribution * add "precise" repository : OK * Install x2goserver : OK * Open a session with a client an a local/winbind username : OK * Start application : OK * Resume a session from an other client an a local/winbind username: OK * Start a session from a client with an ADSL connexion : OK This first exprience is very great !! The next step is to install a broker and connect it the server. I follow this page : http://wiki.x2go.org/doku.php/doc:installation:x2gobroker What I have doing : * First of all I install x2gobroker-daemon. No problem * I create a SSL certificats * Next I modify /etc/defaults/daemon * START_BROKER=true * DAEMON_BIND_ADDRESS=ww.xx.yy.zz:8080 * X2GOBROKER_DEBUG=1 * X2GOBROKER_SSL_CERTFILE=/etc/x2go/broker/ssl/broker.crt * X2GOBROKER_SSL_KEYFILE=/etc/x2go/broker/ssl/broker.key * /etc/x2go/x2gobroker.conf * [global] * check-credentials = false * enable-plain-output = true * enable-uccs-output = false * default-session-autologin=true * default-authorized-keys=%h/.x2go/authorized_keys * default-agent-query-mode=SSH * [zeroconf] * enable = false * [inifile] * enable = true * session-profiles = /etc/x2go/broker/x2gobroker-sessionprofiles.conf * I modify the broker /etc/ssh/sshd_config * AuthorizedKeysFile %h/.x2go/authorized_keys * restart the SSH broker daemon * Modify /etc/x2go/broker/x2gobroker-sessionprofiles.conf * [DEFAULT] * command=TERMINAL * defsndport=true * useiconv=false * iconvfrom=UTF-8 * height=600 * export= * quality=9 * fullscreen=false * layout= * useexports=true * width=800 * speed=2 * soundsystem=pulse * print=true * type=auto * sndport=4713 * xinerama=true * variant= * usekbd=true * fstunnel=true * applications=TERMINAL,WWWBROWSER,MAILCLIENT,OFFICE * multidisp=false * sshproxyport=22 * sound=true * rootless=true * iconvto=UTF-8 * soundtunnel=true * dpi=96 * sshport=22 * setdpi=0 * pack=16m-jpeg * directrdp=false * [pool-A-server-A] * user= * host=ww.xx.yy.aa * name=UNITY - pool-A (srv-A) * command=unity * broker-session-autologin=true * I restart the x2gobroker-daemon service * I install x2gobroker-wsgi * But no configuration as made * Did I install apache2 before ? * On the broker * x2gobroker-keygen * On the server * x2gobroker-pubkeyauthorizer --broker-url https://ww.xx.yy.zz:8080/pubkeys * The pub is in /var/lib/x2gobroker/.ssh/authorized_keys file * For this installation I not configure a postgresql database * On a client * x2goclient --broker-url=https://ww.xx.yy.zz:8080/plain/inifile --debug x2go-INFO-1> "Starting x2goclient..." x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed." x2go-INFO-5> "Translator: :/qt_fr_FR installed." x2go-DEBUG-../httpbrokerclient.cpp:70> Setting up connection to broker: "https://ww.xx.yy.zz:8080/plain/inifile/" x2go-INFO-3> "Started x2goclient." x2go-DEBUG-../onmainwindow.cpp:490> "$HOME=/home/franck" x2go-DEBUG-../onmainwindow.cpp:3018> Starting broker request. x2go-DEBUG-../httpbrokerclient.cpp:249> called getUserSessions: brokeruser: "test" authid: "" x2go-DEBUG-../httpbrokerclient.cpp:262> sending request: "task=listsessions&user=test&password=test%21adm&authid=" x2go-DEBUG-../httpbrokerclient.cpp:557> sslError, code:"Le certificat n'est pas sécurisé car auto-signé": x2go-DEBUG-../httpbrokerclient.cpp:487> Broker HTTP request failed with error: "Error downloading https://ww.xx.yy.zz:8080/plain/inifile/ - server replied: Internal Server Error" x2go-DEBUG-../onmainwindow.cpp:1474> Close event received. x2go-INFO-6> "Closing x2goclient..." x2go-DEBUG-../onmainwindow.cpp:1327> Saving settings... x2go-DEBUG-../onmainwindow.cpp:1336> Saved settings. x2go-INFO-7> "Closed x2goclient." x2go-DEBUG-../onmainwindow.cpp:503> Destroying x2goclient... x2go-DEBUG-../onmainwindow.cpp:506> Destroyed x2goclient. I've got an Internal server error. But why ? And how can I solve it ? * List of installed paquets python-ecdsa 0.11-1~bpo70+1~0x2go~ubuntu12.04.1 ECDSA cryptographic signature library (Python 2) python-paramiko 1.15.1-1~0x2go1~ubuntu12.04.1 Make ssh v2 connections with Python (Python 2) python-six 1.8.0-1~bpo70+1~0x2go~ubuntu12.04.1 Python 2 and 3 compatibility library (Python 2 interface) python-x2gobroker 0.0.2.3-0~429~ubuntu12.04.1 X2Go http(s) based session broker (Python modules) x2gobroker 0.0.2.3-0~429~ubuntu12.04.1 X2Go http(s) based session broker (executable) x2gobroker-authservice 0.0.2.3-0~429~ubuntu12.04.1 X2Go http(s) based session broker (PAM authentication service) x2gobroker-daemon 0.0.2.3-0~429~ubuntu12.04.1 X2Go http(s) based session broker (daemon) x2gobroker-wsgi 0.0.2.3-0~429~ubuntu12.04.1 X2Go http(s) based session broker (CGI) Any help will be appreciated Best regards Franck

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Release Round After May 23th
by Mihai Moldovan 16 May '15

16 May '15

Hi This is meant as a heads-up. After May, 23th, I will merge currently non-applied patches, apply trivial bugfixes and release new versions of at least the following components: - X2Go Client - X2Go Broker The new version of X2Go Client will NOT yet include the WIP OS X fixes and PulseAudio integration. It turned out that bundling PulseAudio is more complicated than I would have liked and getting things wrapped up is taking longer than expected. I plan to include them in 4.0.4.1, though. X2Go Broker has, likewise, seen a lot of changes that warrant a new release version. This was especially asked for by Mike Gabriel. Other components may also see releases dependent of my judgment. Mihai

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Last Call! X2Go: The Gathering 2015, Registration ends in one week from today!
by Stefan Baur 13 May '15

13 May '15

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 +-----------------------------------------------------------------+ | X2Go: The Gathering 2015 - 2015-06-19 - 2015-06-21 @ Linuxhotel | +-----------------------------------------------------------------+ Hello, everyone! This is an update on the X2Go: The Gathering 2015 situation. ** Please pay special attention to the sections containing the ** ** word "UPDATE" in capital letters. ** Registration ends in one week from today! UPDATE: All beds are booked out by our ten participants! These are, in alphabetical order: - - Alonso, Nicolas Arenas (TheQVD) - - Baur, Stefan (BAUR-ITCS) - - DePaulo, Michael Swinick - - Fleten, Kjetil Andre (fleten.net) - - Gabriel, Mike (DAS-NETZWERKTEAM) - - Heinold, Henning - - Martinez, Nito (TheQVD) - - Moldovan, Mihai (BAUR-ITCS) - - Pedersen-Cook, Mark (fleten.net) - - Wicke, Florian (Hetzner) UPDATE: Thanks to Florian Wicke's employer, Hetzner, we will be able to cover the accomodation costs of at least 4 participants, and we will probably spend the remaining money of Hetzner's sponsorship on food and/or travel expenses. Also, special thanks to Linuxhotel for jumping in and renewing their kind offer, as we had originally selected another location that didn't work out. If you still want to join us, you have the following options: - - You can bring your own sleeping bag and sleep on the conference room floor (in theory, bringing your own tent and setting it up on the lawn should work, too - it has been done before - but if you're really that desperate, please *do* tell me in advance that you're bringing a tent, so I can check back with the Linuxhotel owners). - - You can visit us on a day-by-day basis, sleeping elsewhere. - - UPDATE: You can ask me to be put on a waiting list, in case more beds become available. Regardless of which option you choose: Please DO contact me at X2Go-ML-1(a)baur-itcs.de with the text "The Gathering" somewhere in the subject and bug me publicly on the X2Go-Project list if you don't receive a confirmation by e-mail after a day or two. For those sleeping elsewhere, there's no such hard deadline as for the room reservations, but you will need to "check in" (see "Admission fee" below) for our gathering with the Linuxhotel staff, so please *do* let us know in advance. *Cost overview* UPDATE: An overview of the costs, updated for people interested in taking the sleeping bag or day-to-day approach, is available at: http://wiki.x2go.org/doku.php/events:x2go-gathering-2015#cost_overview *Payment* UPDATE: You will have to pay in cash *on Saturday morning* - or *upon arriving at Linuxhotel*, if you're not staying over night. Sorry, we can't accept credit cards, debit cards, bitcoins or other forms of payment for this event - *cash only*. UPDATE: The only exception to the rule are wire transfers for those participants wanting to pay in advance. Also, all payments must be made in *Euro, not in foreign currencies*. If you wish to pay in advance, please contact me via E-Mail at X2Go-ML-1(a)baur-itcs.de for the SEPA banking details. *Lunch/Dinner/BBQ* UPDATE: We have reached "critical mass" so that we could order lunch/dinner from Linuxhotel as well, if all participants agree. Dear participants: Please let me know whether you would like to [ ] have lunch served by Linuxhotel on [ ] Saturday [ ] Sunday [ ] both [ ] have dinner served by Linuxhotel on Saturday [ ] have dinner at Unperfekthaus on Saturday, like last year [ ] bring your own food/order pizza/fire up the BBQ whenever you want I need your answer by 2015-05-18, so I can make the proper reservations and arrangements!!! Linuxhotel charges 5 EUR per person and lunch/dinner, however, you can expect a discount on that due to the Hetzner sponsorship. Dinner at Unperfekthaus is 15,90 EUR minimum (for 1 hour), 4 EUR extra if you want to extend your stay to a total of 5 hours. Mihai: Bring your student ID for a discount. *Event schedule* The event schedule is still in the making. Note that this year, we will have the option to split up into smaller groups in different rooms for more effective co-working on individual topics, hands-on demonstrations, and for side-topic presentations that may not be of interest to the entire group. Please let me know if you would like to volunteer for a presentation/talk!!! E-Mail me at X2Go-ML-1(a)baur-itcs.de So far, we have two or three topics by Mike#1, one by Mike#2, one by me (probably/hopefully together with Mike#1), and something like 2-4 topics by the TheQVD foilks. As always, we will be updating the Wiki page http://wiki.x2go.org/doku.php/events:x2go-gathering-2015 as more information becomes available. Sincerely, Stefan Baur, "X2Go: The Gathering" event organizer - -- 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVUQv1AAoJEG7d9BjNvlEZX2cH/iLjMcFXsYhiHi/6YKtyKIrg F4nmjTVd0GM6dGCDAKGV+zFSW7Mr7zyEDUVhSRq9i1A1tsZJbopukTqlP20WYIfe ifIcc+Mzfv2nSzvMnxbyM66UjDfgjBTCnWk51cF3pxekP0yPzdmtiKYwcvM4Uy4E 1NVbIq5z5OxuO3stRBkmoEfKVtSy8H3cvFZFO4eXC2K6PD2CpJyAWjiLBoSPl8lp +5aTWoKBrPHlVFq8I5QFuwjEcza4aMEGFxlRSMyiqCXwuh1YKBaCxjgsmXR02VPp D7qL/1WODDh+s3rWRYVZ9bv7w5wPJ77oJVifeSBfRbmraPPYIAvY8DuxdaUhuDQ= =prvr -----END PGP SIGNATURE-----

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Newbie question: What is x2go's relationship to VcXsrv?
by David Aldrich 11 May '15

11 May '15

Hi I use VcXsrv and have just come across x2go. Please will someone explain if there is any relationship between x2go and VcXsrv? Why might I want to use x2go instead of VcXsrv? (I work on a Windows 8.1 machine and want to access GUI apps on Linux machines). Best regards David

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suspended successfully message every 3 seconds
by Brent S. Elmer Ph.D. 05 May '15

05 May '15

Why do I see the following in my messages log file every 3 or 4 seconds. The session seems to stay up the whole time these messages are being written. May 4 21:04:02 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:05 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:06 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:09 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:13 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:16 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:20 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:23 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:26 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully May 4 21:04:27 usbd11qe11006 /usr/bin/x2gosuspend-session: session with ID cinstall-51-1427807306_stDGNOME_dp24 has been suspended successfully

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Debian Wheezy x2Go Update Problems
by Robert Dinse 05 May '15

05 May '15

I am still able to login and get a Mate session using x2Go. As I understand it Xinerama is used for dual monitor setups (which I haven't got). E: nxagent: dependency problems - leaving unconfigured E: x2goagent: dependency problems - leaving unconfigured Details: A package failed to install. Trying to recover: Setting up libnx-xinerama1:amd64 (2:3.5.0.32-0x2go1~git20150502.699+wheezy.heuler.1) ... ln: failed to create symbolic link `/usr/lib/nx/X11/Xinerama/libNX_X11.so.6': File exists dpkg: error processing libnx-xinerama1:amd64 (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of nxagent: nxagent depends on libnx-xinerama1 (>= 2:3.5.0.32-0x2go1~git20150502.699+wheezy.heuler.1); however: Package libnx-xinerama1:amd64 is not configured yet. nxagent depends on libnx-xinerama1 (<< 2:3.5.0.32-0x2go1~git20150502.699+wheezy.heuler.1.1); however: Package libnx-xinerama1:amd64 is not configured yet. dpkg: error processing nxagent (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of x2goagent: x2goagent depends on nxagent (>= 2:3.5.0.32-0x2go1~git20150502.699+wheezy.heuler.1); however: Package nxagent is not configured yet. x2goagent depends on nxagent (<< 2:3.5.0.32-0x2go1~git20150502.699+wheezy.heuler.1.1); however: Package nxagent is not configured yet. dpkg: error processing x2goagent (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: libnx-xinerama1:amd64 nxagent x2goagent -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- 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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