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Re: [X2Go-User] x2go-user Digest, Vol 50, Issue 5
by Arjun Krishnan 17 Jun '18

17 Jun '18

Me too, the docs seem to mention vnc (which is a bit slower), but can it work on x2go? On Sat, Jun 16, 2018 at 6:00 AM, <x2go-user-request(a)lists.x2go.org> wrote: > Send x2go-user mailing list submissions to > x2go-user(a)lists.x2go.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.x2go.org/listinfo/x2go-user > or, via email, send a message with subject or body 'help' to > x2go-user-request(a)lists.x2go.org > > You can reach the person managing the list at > x2go-user-owner(a)lists.x2go.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of x2go-user digest..." > > > Today's Topics: > > 1. Re: Accelerated graphics on headless server (Walid MOGHRABI) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 15 Jun 2018 12:14:16 +0200 (CEST) > From: Walid MOGHRABI <w.moghrabi(a)servicemagic.eu> > To: Laurent Pouilloux <laurent.pouilloux(a)ec-lyon.fr> > Cc: x2go-user(a)lists.x2go.org > Subject: Re: [X2Go-User] Accelerated graphics on headless server > Message-ID: > <1759980507.7271571.1529057656027.JavaMail.root(a)servicemagic.eu> > Content-Type: text/plain; charset=utf-8 > > Hi, > > I'm pretty curious on how you achieve that and make it work through X2Go > anyway ... > > > Regards, > Walid Moghrabi > > TRAVAUX.COM > BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403 > 13591 AIX EN PROVENCE CEDEX 3 > > ----- Mail original ----- > > De: "Laurent Pouilloux" <laurent.pouilloux(a)ec-lyon.fr> > À: x2go-user(a)lists.x2go.org > Envoyé: Vendredi 15 Juin 2018 11:46:42 > Objet: Re: [X2Go-User] Accelerated graphics on headless server > > Hi, > > indeed hardware acceleration is not supported through x2Go but you can > install VirtualGL [1] to provides such feature on the remote machine and > use the graphical card. > > Best regards, > > Laurent Pouilloux > > [1] https://www.virtualgl.org/ > > Le 15/06/2018 à 10:46, Walid MOGHRABI a écrit : > > You can't. > > Currently, accelerated graphics is not - or badly - supported through > X2Go. > > There is no such equivalent to RemoteFX with X2Go, not yet anyway. > > > > > > Regards, > > Walid Moghrabi > > > > TRAVAUX.COM > > BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403 > > 13591 AIX EN PROVENCE CEDEX 3 > > > > ----- Mail original ----- > > > > De: "Arjun Krishnan" <arjunkc(a)gmail.com> > > À: x2go-user(a)lists.x2go.org > > Envoyé: Vendredi 15 Juin 2018 04:04:15 > > Objet: [X2Go-User] Accelerated graphics on headless server > > > > > > > > Hi > > I'm sure this question has been asked many many times before, but I was > hoping one of you could quickly point me in the right direction. I have a > headless server, and I'm trying to write a file > /etc/X11/xorg.conf.d/xxx.conf , but this doesn't seem to be having any > effect. Example 20-dummy.conf or 20-intel.conf > > I'd like hardware acceleration, the xrandr command, and kodi to work > remotely. Currently I get errors that look like this: $ xrandr > > xrandr: Failed to get size of gamma for output default > > Screen 0: minimum 320 x 240, current 1916 x 1029, maximum 1920 x 1200 > > default connected 1916x1029+0+0 0mm x 0mm > > 1280x800 60.00 > > 320x240 60.00 > > 640x360 60.00 > > 640x480 60.00 > > 800x480 60.00 > > 800x600 60.00 > > 1024x600 60.00 > > 1024x768 60.00 > > 1152x864 60.00 > > 1280x720 60.00 > > 1280x1024 60.00 > > 1360x768 60.00 > > 1440x900 60.00 > > 1600x900 60.00 > > 1600x1200 60.00 > > 1680x1050 60.00 > > 1920x1080 60.00 > > 1920x1200 60.00 > > 1916x1029 60.00* > > So it seems that x2go does not care about my xorg.conf files at all. Any > suggestions? > > > > > > Arjun > > _______________________________________________ > > x2go-user mailing list > > x2go-user(a)lists.x2go.org > > https://lists.x2go.org/listinfo/x2go-user > > --- > > DISCLAIMER: This e-mail is private and confidential and may contain > proprietary or legally privileged information. It is for the intended > recipient only. If you have received this email in error, please notify the > author by replying to it and then destroy it. If you are not the intended > recipient you must not use, disclose, distribute, copy, print or rely on > this e-mail or any attachment. Thank you > > _______________________________________________ > > x2go-user mailing list > > x2go-user(a)lists.x2go.org > > https://lists.x2go.org/listinfo/x2go-user > > -- > Ingénieur en Calcul Scientifique > Laboratoire de Mécanique des Fluides et d'Acoustique > École Centrale de Lyon > 36 Avenue Guy de Collongue, 69130 Écully > Batiment I11 - Bureau 11097W > Tél : 04.72.18.61.57 > > _______________________________________________ > x2go-user mailing list > x2go-user(a)lists.x2go.org > https://lists.x2go.org/listinfo/x2go-user > --- > DISCLAIMER: This e-mail is private and confidential and may contain > proprietary or legally privileged information. It is for the intended > recipient only. If you have received this email in error, please notify the > author by replying to it and then destroy it. If you are not the intended > recipient you must not use, disclose, distribute, copy, print or rely on > this e-mail or any attachment. Thank you > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > x2go-user mailing list > x2go-user(a)lists.x2go.org > https://lists.x2go.org/listinfo/x2go-user > > ------------------------------ > > End of x2go-user Digest, Vol 50, Issue 5 > **************************************** >

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Accelerated graphics on headless server
by Arjun Krishnan 15 Jun '18

15 Jun '18

Hi I'm sure this question has been asked many many times before, but I was hoping one of you could quickly point me in the right direction. I have a headless server, and I'm trying to write a file /etc/X11/xorg.conf.d/xxx.conf, but this doesn't seem to be having any effect. Example 20-dummy.conf <https://www.dropbox.com/s/p0jqump05s0s9r6/forx2go-20-dummy.conf?dl=0> or 20-intel.conf <https://www.dropbox.com/s/eqvw4gmtxgn1lh9/forx2go-20-intel.conf?dl=0> I'd like hardware acceleration, the xrandr command, and kodi to work remotely. Currently I get errors that look like this: $ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 320 x 240, current 1916 x 1029, maximum 1920 x 1200 default connected 1916x1029+0+0 0mm x 0mm 1280x800 60.00 320x240 60.00 640x360 60.00 640x480 60.00 800x480 60.00 800x600 60.00 1024x600 60.00 1024x768 60.00 1152x864 60.00 1280x720 60.00 1280x1024 60.00 1360x768 60.00 1440x900 60.00 1600x900 60.00 1600x1200 60.00 1680x1050 60.00 1920x1080 60.00 1920x1200 60.00 1916x1029 60.00* So it seems that x2go does not care about my xorg.conf files at all. Any suggestions? Arjun

3 4

stale dated gnupg key
by o1bigtenor 12 Jun '18

12 Jun '18

Greetings I had successfully installed, and have been using x2go for some time (useful software when one has a number of computers to run!). Wanted to install x2goserver on another machine and was running into a number of issues. I believe I have been able to unravel the problem enough to find at least one of the roots of not being able to install even when following the steps published in the wiki. My install was failing when I tried to install the apt-key and by lots of poking and some sideways thinking I have found the issue. Looking in the system where x2go is working happily in /etc/apt/trusted/gpg I find that the key is liked with the following information: pub rsa2048 2011-03-10 [SC] 972F D88F A0BA FB57 8D04 76DF E1F9 5838 5BFE 2B6E uid [ unknown] X2go Debian/Ubuntu Packaging <debian(a)x2go.org> sub rsa2048 2011-03-10 [E] what is interesting is that of the 12 keys listed (likely not that many compared to possibilities) the x2go key is only rsa2048 which might be sufficient but its also listed as 2011-03-10 [E] which I interpret to mean that the key was generated on the date 2011-03-10 but I'm thinking the [E] means that its expired. As renewing the key is not something that I can do as a user I am requesting that someone with the capabilities of modifying the code might please renew and/or refresh the gnupg key and also inform users of the new key (I am assuming that the key would change with renewal/update). Given the rights to do so I would be more than happy to modify the wiki to reflect that new apt-key code. Thanking in advance those doing this - - - (please advise if (including the how) the wiki is to be updated by myself) Dee

4 6

installation woes
by o1bigtenor 11 Jun '18

11 Jun '18

Greetings I was able to setup x2go server on a couple machines about 8 months or so ago and have found the 'system' to be a very valuable tool (it cuts down on the need for more monitors and other peripherals). Just recently I have be working on installing x2go on a different system than previously and I am running into some problems. I have been following : https://wiki.x2go.org/doku.php/doc:installation:x2goserver and https://wiki.x2go.org/doku.php/wiki:repositories:debian The first issue that I am having is that I am unable to add the repository keys. After typing in the command (checked and rechecked a number of times for accuracy) I keep getting the following as a response: $ gpg: keyserver receive failed: No data I have tried using search engines to find some method of resolving this difficulty but I cannot find anything that would fit this circumstance. Please, how do I affect the installation of the site key? Regards Dee

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setup problems
by o1bigtenor 11 Jun '18

11 Jun '18

1 0

Various
by Robert Dinse 03 Jun '18

03 Jun '18

Couple of notes here, I installed x2go server on Zorin. Zorin is yet another Ubuntu derivative with a hopelessly broken Gnome and KDE implementation. I am using Mate or LXDE both of which do work. The Nightly Build connects then immediately disconnects. The Stable works mostly okay. I am having problems with the stable leaving sessions up and not deleting them when I logout. -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- 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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Forcing connection speed setting based upon IP address
by Steve Bergman 29 May '18

29 May '18

Hi, I have a central LAN, where the X2Go server and many clients live, and several branch offices which connect via the WAN. I used to be able to modify the FreeNX 'nxacl' script to force 'LAN' for local clients, and 'ADSL' for everyone else. Last I looked, there was no such facility in the X2Go server, and the team had posted good reasons (which I can't quite recall) why that file was not coming back. But does X2Go server have a way for me to accomplish what I want? I still find the occasional misconfigured client. Thanks, Steve Bergman

3 5

Large latency when opening a new session
by Laurent Pouilloux 29 May '18

29 May '18

Dear X2go-users, for almost 2 years we are using X2GO with VirtualGL to provides visualization tool on our computing facility and it is very efficient tool. However, we are facing a problem with our current setup that seems related to the number of users connected. We have a machine built on a Dell R730 server (40 cores, 512 GB, Quadro P2000) installed on Centos 7. X2go is installed from EPEL repository, in version 4.0.1.22 For about one month, establishing the connection is very slow. As you can see in the log file below, it waits two minutes before to start a first session (lpouillo-1103-1526465870_stDXFCE_dp24) that does not seem to work then create a second one about 10 minutes later(C-lpouillo-1159-1527588238_stDXFCE_dp24) This error seems correlated with the number of active users, including pts (when it is > 80) but I don't see any limits (max pty, max open files, or in x2goserver.conf which is the one by default) that is reached. Do you have any idea on how to diagnose/solve the problem ? Tell me if you need more information. Best regards, Laurent Pouilloux Ex : May 29 11:54:14 visu systemd-logind: New session 17176 of user lpouillo. May 29 11:54:14 visu systemd: Started Session 17176 of user lpouillo. May 29 11:54:14 visu systemd: Starting Session 17176 of user lpouillo. May 29 11:56:10 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:11 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:11 visu /usr/bin/x2goumount-session[136078]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:30 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:30 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:31 visu /usr/bin/x2goumount-session[138594]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:50 visu /usr/bin/x2gosuspend-session: x2gosuspend-session called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 11:56:50 visu /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: lpouillo-1103-1526465870_stDXFCE_dp24 pre-suspend May 29 11:56:50 visu /usr/bin/x2goumount-session[141127]: x2goumount-session has been called with options: lpouillo-1103-1526465870_stDXFCE_dp24 May 29 12:04:00 visu /usr/bin/x2gostartagent: successfully started X2Go agent session with ID lpouillo-1159-1527588238_stDXFCE_dp24 May 29 12:04:02 visu /usr/bin/x2gomountdirs[514]: successfully mounted lpouillo@127.0.0.1:61406/home/lpouillo/SRC to /tmp/.x2go-lpouillo/media/disk/_home_lpouillo_SRC May 29 12:04:02 visu /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/lmfa/lpouillo/.x2go/C-lpouillo-1159-1527588238_stDXFCE_dp24/keyboard May 29 12:04:03 visu /usr/bin/x2gomountdirs[514]: successfully mounted lpouillo@127.0.0.1:61406/home/lpouillo/.x2go/S-lpouillo-1159-1527588238_stDXFCE_dp24/spool to /tmp/.x2go-lpouillo/spool/C-lpouillo-1159-1527588238_stDXFCE_dp24 -- Ingénieur en Calcul Scientifique Laboratoire de Mécanique des Fluides et d'Acoustique École Centrale de Lyon 36 Avenue Guy de Collongue, 69130 Écully Batiment I11 - Bureau 11097W Tél : 04.72.18.61.57

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Numeric Keyboard no response sometimes
by CARLOS OMAR ALONZO 25 May '18

25 May '18

Hi, I´m having problems with the Num Lock function of keyboard, on clients x2go windows & linux, when the session start on client x2go the Num Lock function of keyboard no activate and the numeric keyboard no response sometimes. Any idea ? Please, help me.... -- Carlos O. Alonzo A |Casa del tornillo, S.A |Departamento de informática | Data Center | mail: progra1(a)casator.com

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Subscription information regarding x2go-user - please read
by Mike Gabriel 24 May '18

24 May '18

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