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Setting Number of Allowed Connections Per User Account
by senrabdet＠aol.com 26 Mar '12

26 Mar '12

Hi All: We're hoping to set and enable the number of allowed connections/sessions by user and user group in x2go. E.g., we want to limit a user to one session/connection/display at a time: that means from client machine A, if the user A is connected, a connection to his/her account could not be established from client machine B or a second connection couldn't be established from client Machine A. User A, if s/he had second account on the server, however, could start one and only one connection to that second account while running one and only one session to the first account. We think we've seen some posts to this effect involving editing /etc/x2go/x2goserver.conf and /usr/bin/x2gosessionlimit (see http://comments.gmane.org/gmane.linux.terminal-server.x2go.devel/954) We've tried making some of the following types of edits: A) If we edit x2goserver.conf alone, and set either "UserA=1 and/or "UserGroupA=1", we can make multiple connections. When we start another instance of x2go, it shows there is a current session, and when we select "New" in the GUI, a second concurrent session begins. B) If we edit /usr/bin/x2gosessionlimit, and make the following changes and then do a "service x2goserver restart" (not sure if this restart is appropriate or necessary)... Add these lines: if($strlimit <= $scount) { print "LIMIT\n"; exit 0; } Comment out these lines: if($maxlimit <= $scount) { print "$maxlimit\n"; exit 0; } print "$maxlimit\n"; ....and change settings in x2goserver.conf, we got some inconstant results we haven't been able to duplicate, but were along the lines either of a "session limit being exceeded" message even if we had group and/or user limits set to 1 (i.e., we were unable to connect at all), or back to any number of sessions we wanted to start. Can someone suggest a procedure/example of how to do this successfully? Ideally, we'd like the flexibility to limit # of connections/sessions both by user group and individual user. Thanks, Ted

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Re: [X2Go-Dev] [X2Go-User] Fwd: Flash Problems
by John A. Sullivan III 26 Mar '12

26 Mar '12

On Sun, 2012-03-25 at 09:51 -0400, senrabdet(a)aol.com wrote: > Hi All: > > > A quick follow up - we built out a 32 bit instance of Ubuntu Server > 10.4 and re-tested > - on a LAN, the video is pretty good > - on a remote server (over the Internet), the results were like our > 64bit experience....the video stalls and refreshes so slowly it is > pretty unusable. > > > We thought the remote video worked well some time ago, though perhaps > are wrong(?). Are there settings in x2go we should try, possibly on > the compression method? Or any other thoughts? > <snip> Our experience with NX for WAN video have been far less than satisfactory. We are eagerly waiting for SPICE to mature and hope it can be integrated as an alternative to NX into X2Go although I do see that SPICE development is leading toward implementing all the other features of X2Go as well such as sound, file sharing, and printing redirection - John

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Re: [X2Go-Dev] Help with shared folder with postgres backend
by Helmer Teles 19 Mar '12

19 Mar '12

<snip> >On Friday 09 March 2012 11:28:15 Helmer Teles wrote: >Hello, ML >Hello Michael. >I,ve been strugling with a problem with shared folders under x2go. >When there's a problem with a shared folder not unmounting with the postgres >backend you can not mount the share anymore. >Steps to reproduce. >Logon to a x2goserver with a shared folderon the client, next go to that >shared folder ( cd ~/media/disk ) and while you are at that folder at the >unix server logout from the x2go session. >After you logout from x2go the process to ummount will fail because the >resource is mounted. After that you can not mount the share anymore because >the mountpoint is not removed from the x2go_session mounts table. >regards, </snip> Hello ML & Michael. I was at vacations last week. I see that you have responded but somehow i didn't receive your email that was published on the x2gouserML. Have you guys managed to solve the problem? the way i use to solve the problem is to login as the fault user to postgres and do a delete from mounts. On Friday 09 March 2012 11:28:15 Helmer Teles wrote: Hello, ML Hello Michael. I,ve been strugling with a problem with shared folders under x2go. When there's a problem with a shared folder not unmounting with the postgres backend you can not mount the share anymore. Steps to reproduce. Logon to a x2goserver with a shared folderon the client, next go to that shared folder ( cd ~/media/disk ) and while you are at that folder at the unix server logout from the x2go session. After you logout from x2go the process to ummount will fail because the resource is mounted. After that you can not mount the share anymore because the mountpoint is not removed from the x2go_session mounts table. regards, -- Helmer Teles eM@il : helmer[DOT]teles[at] Google Mail Web Page: http://hteles.wordpress.com

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Feedback: Published Applications
by Mike Gabriel 17 Mar '12

17 Mar '12

Hi all, thanks to Stefan we have another puzzle piece for making X2Go the non-plus-ultra solution for people offering Linux-SaaS. There now is a new session mode called ,,Published Applications'', sponsored by Stefan Baur. I have had a quick test look at the functionality, so here is a feedback list, also about other issues that I stumble upon while testing: - I use a dark Qt color theme, with a dark color theme some elements of x2goclient are hardly readable on screen: - session profile cards (right column of the screen= - all buttons (suspend, new, terminate, etc.) - also the button that allows me to launch a published application is not readable on screen with my dark theme - when minimizing x2goclient to systray, I see an icon with transparent background and black contours on a black system tray. Thus, I actually see nothing... - Published applications: Some menu entries have icons, some do not. Where do icons come from? Are they transferred from the server? Or are they used from the client-side file system? - x2goclient is configure _not_ to minimize into the systray. After establishing a published application session I see for buttons in the center of the blue window area of x2goclient. The buttons do not fit in there (they overlap). - Is there a concept for evaluating i18n parts of desktop files? Application links appear in English still. - Alex, whenever we are about to release the new code, we should make a call for translation, so that i18n files are updated with the new version So much from the testing front here... BTW: x2goserver installs and uninstalls/purges fine, I added the code in a rush this lunch time, but it seems to work well. Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B 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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RDP services
by brian mullan 12 Mar '12

12 Mar '12

John Have you tried the new FreeRDP client <http://www.freerdp.com/> yet? I've not done any extensive testing but it does now support both Microsoft's RemoteFX & RemoteApp services. Its an Apache license app and v1.0 was released and demo'd at the Ubuntu Developer conference in Nov 2011 <http://www.youtube.com/watch?v=Qnh7f36xkRA>. RemoteFX - https://github.com/FreeRDP/FreeRDP/wiki/RemoteFX and RemoteApp services - https://github.com/FreeRDP/FreeRDP/wiki/RemoteApp I've configured Windows 2008 r2 servers on KVM and on AWS EC2, published applications for RemoteApp and then from linux/ubuntu machines run the xfreerdp client and the Windows RemoteApp appears on screen like any other app. I used to have to use seamlessrdp for this but now it just works since the freerdp v1.x release. I'd like to see FreeRDP support in x2go as I understand in the next Ubuntu FreeRDP is replacing rdesktop. Brian ---------- Forwarded message ---------- From: "John A. Sullivan III" <jsullivan(a)opensourcedevel.com> To: x2go-dev(a)lists.berlios.de Cc: Date: Sat, 10 Mar 2012 06:30:51 -0500 Subject: Re: [X2Go-Dev] X2Go Sessions File Format Specs On Sat, 2012-03-10 at 11:51 +0100, Mike Gabriel wrote: > Hi Alex, hi all, > > I have started documenting the versatile session profile options of > X2Go Client and Python X2Go (as found in ~/.x2goclient/sessions). > > @Alex: Could you please proof-read this wiki page and fix+change+amend? > http://wiki.x2go.org/doku.php/wiki:development:sessions-file > <snip> Thanks for documenting these, Mike; I read them with great interest. Toward the end, you write, "Setting the command to RDP will turn X2Go into an RDP proxy (RDP via NX). RDP will receive a peformance improvement on WAN connections" In our experience, this is true for RDP5 but it significantly degrades the native performance of RDP6 and RDP7. For those wishing to use RDP6 or 7 with Windows XP, TSPlus (www.tsplus.net) makes an XP RDP6/7 client and distributes it freely. I would love to see mimebox included in x2goclient. I know we had planned to write a "multimedia player" to automatically redirect to mimebox similar to the way printing works but have not gotten around to it - still overwhelmed by a large consulting contract completely outside of X2Go :( Thanks again - John

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Error/Bug: Arrow keys on keyboard are mismapped
by christoffer krakou 12 Mar '12

12 Mar '12

Hello x2go-team and the rest I'm having a problem on my x2goserver, where the arrow keys seems to be mismatched. For example, the downwards arrow key seems to be mapped as enter instead. None of the arrowkeys work properly. The keymap in question is "Keyboard layout da, keyboard model pc105/da" I'm using ubuntu 11.10 64bit on the server side. x2goversions says: cups-x2go: 3.0.0.4 x2goserver: 3.1.0.0 x2goserver-extensions: 3.1.0.0 Client is the latest stable release, also on Ubuntu 11.10 64 bit. If someone can tell me how to go about it, i would love to do more tests to see excactly how the keys are mismatched, and what keys in particular -- Venlig Hilsen / Best Regards Christoffer Krakou Fleten.net APS

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[XREF] [Qt bugreports] (QTBUG-24729) Out of source building for App bundles broken (Info.plist and ICON)
by Mihai Moldovan 12 Mar '12

12 Mar '12

And this is why I don't like qmake. ;) -------- Original Message -------- Mihai Moldovan created QTBUG-24729: -------------------------------------- Summary: Out of source building for App bundles broken (Info.plist and ICON) Key: QTBUG-24729 URL: https://bugreports.qt-project.org/browse/QTBUG-24729 Project: Qt Issue Type: Bug Components: Build tools: qmake Affects Versions: 4.8.0, 4.7.4 Reporter: Mihai Moldovan Assignee: Oswald Buddenhagen Attachments: qt.patch Out of source building is currently broken when adding a custom Info.list file (and consequently also an icon) on Mac OS X. Consider this layout: src/ app.pro Info.plist icon.icns build/ app.app (to be created by make) Go to build and run qmake ../app.pro. The problem lies within qmake, which "fixifies" the Info.plist path from "Info.plist" to "../Info.plist" and then can't find the find the file anymore, as qmake changes the cwd to the .pro file's directory (thus, in this example, src/). Add both parameters out_d and in_d to MakefileGenerator::fileFixify as Option::output_dir to prevent qmake from "fixing" the file path to a path relative from the (out of source) build dir to the source dir, so that exists() can actually find the file where ever it is, specified by the user and relative to the source dir.

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Re: [X2Go-Dev] OSX Lion Audio question
by Stephanie Sunshine 10 Mar '12

10 Mar '12

Mihai, Thanks for getting back to me promptly. When your x2go osx client is ready for testing please let me know and I would be happy to validate it. Also for the record, I managed to get sound out of a ubuntu server configured with gnome as the window manager. I was originally trying to use openbox and I have had zero luck with either debian or ubuntu as the server. I have not had a chance to try debian with gnome yet, but I would assume that it would work where openbox did not. Again thanks for an amazing product! Thanks Stephanie

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New command ,,x2gofeaturelist''
by Mike Gabriel 10 Mar '12

10 Mar '12

Hi Alex, hi all, I have provided a new X2Go server command: x2gofeaturelist http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=bf04119f723a9d6… This command can be used to make new clients work with old servers, in case some new X2Go client features are not supported by the server. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B 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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X2Go Sessions File Format Specs
by Mike Gabriel 10 Mar '12

10 Mar '12

Hi Alex, hi all, I have started documenting the versatile session profile options of X2Go Client and Python X2Go (as found in ~/.x2goclient/sessions). @Alex: Could you please proof-read this wiki page and fix+change+amend? http://wiki.x2go.org/doku.php/wiki:development:sessions-file Thanks, Mike -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B 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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