x2go-dev October 2017

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17 participants
128 discussions

Bug#873: suggestion for how to handle Xinerama from NX 3.6.x in X2Go
by Mike Gabriel 21 Nov '18

21 Nov '18

Hi Mihai, hi Alex, the new RandR based Xinerama is about to be merged to the nx-libs 3.6.x branch. Here are some ideas how to make the feature addressable in X2Go. 1. X2Go Client can server-side query x2gofeaturelist, it outputs the string X2GOAGENT_RANDRXINERAMA. If that string is in x2gofeaturelist, then the new Xinerama code is present in x2goagent/nxagent. 2. We are about to add a xinerama={0,1} NX option for the NX options file (Ulrich is probably reviewing right now...). This … [View More]

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Bug#28: Seems to be fixed in newer versions
by Ulrich Sibiller 21 Nov '18

21 Nov '18

Well, looking at the source of the current libxfixes (of Ubuntu Trusty) I can find no XFIXES version 6 code. Additionally libxfixes_5.0.1-1ubuntu1.diff.gz contains this changelog update: + -- Julien Cristau <jcristau(a)debian.org> Tue, 14 May 2013 10:12:48 +0200 + +libxfixes (1:5.0-4ubuntu6) raring; urgency=low + + * Drop the v6 protocol. + I cannot test a full KDE setup here but I think at least the speculation that v6 could be the reason can be dropped. Do the kwin crashes still … [View More]

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Bug#1035: capture x2goruncommand debug output for x2gofeature X2GO_XSESSION
by Tor Perkins 21 Nov '18

21 Nov '18

Package: x2goserver Version: 4.0.1.19 Tags: patch Hello, I had recently had a problem with my /etc/xprofile file that prevented session startup. The details are not too important; it had to do with a difference of default shell (/bin/sh) being either /bin/dash or /bin/bash. After enabling the 'debug' loglevel on the server, I still had no helpful output indicating what the problem might be... I did some ferreting about and noticed that x2goruncommand was not capturing cmd output when … [View More]

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Bug#1171: Create wtmp entry for x2go sessions
by Orion Poplawski 19 Nov '18

19 Nov '18

Package: x2goserver Version: 4.1.0.0 Severity: wishlist X2Go should write an entry to /var/run/utmp and /var/log/wtmp. This would allow currently logged inn users to be seen in the output of 'w', and 'last' would also list previous sessions. This could be done via either libutempter or vte. -- Orion Poplawski Technical Manager 720-772-5637 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion(a)nwra.com Boulder, CO … [View More]

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Bug#839: fqdn hostnames in load_factors
by Sergey Savko 13 Sep '18

13 Sep '18

Package: python-x2gobroker Version: 0.0.3 Severity: normal In massive load_factors.keys variable busy_server = test-001.tophouse.local In massive busy_servers_temp.keys variable busy_server = test-001 As a result, I get garbage. -- Yours truly, Sergey Savko.

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Bug#1012: Session reconnect doesn't work (x2gobroker)
by Stefan Baur 07 Sep '18

07 Sep '18

package: x2gobroker version: 0.0.3.0 Situation: two identical nodes, only difference is DNS name + IP Desired result: load-balanced X2Go systems, where a suspended session can be resumed Actual outcome: Each connect starts a new session, suspended sessions are left dangling forever Questions: 1) Is x2gobroker-daemon needed at all for ssh-only connections to the broker? 2) Did I miss any obvious steps? 3) What would be the suggested path to debug this? … [View More]A full typescript recording of the installation process is available, but as no command returned any error messages, let me shorten it down to the commands that were executed: # commands executed on both first and second node apt-get install x2gobroker -y cp /etc/x2go/x2gobroker.conf /etc/x2go/x2gobroker.conf.orig vi /etc/x2go/x2gobroker.conf # see diff below apt-get install x2gobroker-agent -y cp /etc/x2go/broker/x2gobroker-sessionprofiles.conf /etc/x2go/broker/x2gobroker-sessionprofiles.conf.orig vi /etc/x2go/broker/x2gobroker-sessionprofiles.conf # see diff below x2gobroker-keygen cp /var/lib/x2gobroker/.ssh/id_rsa.pub /tmp/ cd /tmp/ vi id_rsa.pub # added a blank and the server name to end of file python -m SimpleHTTPServer 8081 # run temporary web server so second node can fetch the file # once both web servers were up, the following commands were executed # on BOTH nodes: x2gobroker-pubkeyauthorizer -t http://firstnode:8081/id_rsa.pub x2gobroker-pubkeyauthorizer -t http://secondnode:8081/id_rsa.pub # Sadly, no working session reconnect with these command line # parameters - it always starts a new session: x2goclient --broker-url=ssh://accountwithapublickey@firstnode:22/usr/bin/x2gobroker --broker-autologin # This is using x2goclient-4.0.5.0-2015.07.31 # taking a closer look at # http://wiki.x2go.org/doku.php/doc:installation:x2gobroker: # maybe x2gobroker-daemon is missing? So ... apt-get install x2gobroker-daemon -y # this also pulls in x2gobroker-authservice # Sadly, no change, still no working session reconnect :-( # --------------------------------------------------------- diff -u /etc/x2go/x2gobroker.conf.orig /etc/x2go/x2gobroker.conf --- /etc/x2go/x2gobroker.conf.orig 2016-03-19 18:39:02.034407506 +0100 +++ /etc/x2go/x2gobroker.conf 2016-03-19 19:56:05.781729565 +0100 @@ -241,6 +241,7 @@ # The agent query mode can be configured on a per-broker-backend basis, the # below value is the default. #default-agent-query-mode=NONE +default-agent-query-mode=SSH # Probe SSH port of X2Go Servers (availability check) # @@ -254,7 +255,7 @@ # Per default, we set this to "true" here. The portscan feature can be # deactivated on a per-session-profile basis (use: broker-portscan-x2goservers = # false in the session profile configuration). -#default-portscan-x2goservers = true +default-portscan-x2goservers = false # Use load checker for querying X2Go Servers' loads in regular intervals # @@ -294,13 +295,13 @@ # o the session profile does not block queries to the load checker daemon # on a per profile basis # -#default-use-load-checker = false +default-use-load-checker = true # If the x2gobroker-loadchecker daemon gets used, define here how # many seconds to sleep between cycles of querying system load from the # associated X2Go Servers. # -#load-checker-intervals = 300 +load-checker-intervals = 300 ### @@ -345,9 +346,8 @@ #desktop-shell = KDE [broker_inifile] -#enable = true -#session-profiles = /etc/x2go/broker/x2gobroker-sessionprofiles.conf -#use-load-checker = false +enable = true +session-profiles = /etc/x2go/broker/x2gobroker-sessionprofiles.conf #[broker_ldap] -> MUSIC OF THE FUTURE #enable = false # --------------------------------------------------------- # --------------------------------------------------------- diff -u /etc/x2go/broker/x2gobroker-sessionprofiles.conf.orig /etc/x2go/broker/x2gobroker-sessionprofiles.conf --- /etc/x2go/broker/x2gobroker-sessionprofiles.conf.orig 2016-03-19 19:19:33.995277777 +0100 +++ /etc/x2go/broker/x2gobroker-sessionprofiles.conf 2016-03-19 19:58:45.407309387 +0100 @@ -63,146 +63,12 @@ directrdp=false user=BROKER_USER -[localhost-kde] -name=KDE - localhost -host=localhost -command=KDE +[GloveBox] +host=firstnode (firstnodeip), secondnode (secondnodeip) +name=GloveBox +published=true usebrokerpass=true - -[localhost-mate] -name=MATE - localhost -host=localhost -command=MATE -usebrokerpass=true - -[localhost-shadow] -name=SHADOW - localhost -# don't even try load-balancing here... it makes not sense and won't work (first given host will be used!) -host=localhost -command=SHADOW -usebrokerpass=true - -### EXAMPLES: Below you find some config examples. Adapt them to your needs or -### simply write your own session profiles and remove the examples below. - -## -## EXAMPLE: pool-A (staff servers) -## -## The pool-A contains three X2Go Servers (server-A, server-B and server-C). - -## The staff of our example institute falls into two groups of users: -## gnome-users and kde-users. -## The gnome-users log into server-A or server-B, depending on their client -## subnet (IP configuration of the client). -## The kde-users login to server-C (server-C can be reached from the whole -## intranet). -## -## The client IP based split-up of the GNOME users allows some primitive load -## balancing. -## -## If staff people are members of both groups (kde-users, gnome-users) both -## session profiles will be shown in X2Go Client. -## - -#[pool-A-server-A] -#user= -#host=server-a.pool-a.domain.local -#name=GNOME - pool-A (srv-A) -#command=GNOME -#rootless=false -#acl-groups-allow=gnome-users,admins -#acl-groups-deny=ALL -#acl-clients-deny=ALL -#acl-clients-allow=10.1.0.0/16 -#acl-any-order=deny-allow -#broker-session-autologin=true - -#[pool-A-server-B] -#user= -#host=server-b.pool-a.domain.local -#name=GNOME - pool-A (srv-B) -#command=GNOME -#rootless=false -#acl-groups-allow=gnome-users,admins -#acl-groups-deny=ALL -#acl-clients-deny=ALL -#acl-clients-allow=10.2.0.0/16 -#acl-any-order=deny-allow -#broker-session-autologin=true - -#[pool-A-server-C] -#user= -#host=server-c.pool-a.domain.local -#name=KDE - pool-A (srv-C) -#command=KDE -#rootless=false -#acl-groups-allow=kde-users,admins -#acl-groups-deny=ALL -#acl-any-order=deny-allow -#broker-session-autologin=true - -## -## EXAMPLE: pool-B (e.g. webserver in the DMZ or on the internet) -## -## The pool-B is a single X2Go Server (server-D) that is -## hosted externally. The server-D has an official internet IP. -## -## The session profile for server-D shall be provided to the -## admins group only. -## -## Furthermore, the session profile for server-D shall only get -## offered to a member of the admins group if the admin is sitting -## in front of one of the admin client machines. -## - -#[pool-B-server-D-LXDE] -#user= -#host=server-d (server-d.domain.internet) -#name=LXDE - srv-D -#command=LXDE -#rootless=false -#acl-groups-allow=admins -#acl-groups-deny=ALL -## make sure hostnames in client ACLs are resolvable via libnss!!! -#acl-clients-deny=ALL -#acl-clients-allow=admin-machine1.domain.local, admin-machine2.domain.local, admin-machine3.domain.local -#acl-any-order=deny-allow - -## -## EXAMPLE: pool-C (REAL LOAD BALANCING!!!) -## -## The pool-C is a server pool for students. Our example institute -## knows 200-300 students and has to offer working places for -## every student. -## -## The resource limits on these servers are pretty strict, so staff members -## normally stay away from these machines, anyway. Only two test account -## get this session profile into their X2Go Clients. -## -## The pool-C contains 6 X2Go Servers that serve all students users together -## as a load balance server farm. The servers' hostnames are s-E1, s-E2, ... -## (as found in /etc/hostname). The hosts, however, are not configured in DNS -## so we give their IPs explicitly (also works for IPv6). -## -## Make sure to install x2gobroker-agent on all these 6 X2Go Servers. Also make -## sure to once run the script x2gobroker-keygen on the broker host and once -## the script x2gobroker-pubkeyauthorizer per X2Go Server. -## -## All 6 X2Go Servers have to be configured to use the PostgreSQL X2Go session -## DB backend. -## - -#[pool-C-XFCE] -#user= -#host=s-E1 (10.0.2.11),s-E2 (10.0.2.12),s-E3 (10.0.2.13),s-E4 (10.0.2.14),s-E5 (10.0.2.15) -#name=XFCE - pool-C -#command=XFCE -#rootless=false -#acl-users-allow=testuser-A,testuser-B -#acl-users-deny=ALL -#acl-groups-allow=students,admins -#acl-groups-deny=ALL -#acl-any-order=deny-allow # this server pool has a special broker setup for SSH authorized_keys -#broker-session-autologin=true -#broker-authorized-keys=/var/lib/x2gobroker/ssh/%u/authorized_keys +broker-session-autologin=true +broker-authorized-keys=/etc/ssh/authorized_keys.d/%u # --------------------------------------------------------- # --------------------------------------------------------- dpkg -l|grep x2go ii cups-x2go 3.0.1.3-0x2go1+git20160127.135+jessie.main.1 all Virtual X2Go printer for CUPS ii libnx-x11-6:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 client-side library ii libnx-xcomposite1:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 Composite extension library ii libnx-xdamage1:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 damaged region extension library ii libnx-xdmcp6:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 Display Manager Control Protocol library ii libnx-xext6:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 miscellaneous extension library ii libnx-xfixes3:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 miscellaneous 'fixes' extension library ii libnx-xinerama1:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 Xinerama extension library ii libnx-xpm4:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 pixmap library ii libnx-xrandr2:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 RandR extension library ii libnx-xrender1:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 Rendering Extension client library ii libnx-xtst6:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 Testing -- Record extension library ii libxcomp3:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 compression library ii libxcompext3:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 protocol compression extensions library ii libxcompshad3:i386 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 nx-X11 shadowing library ii nx-x11-common 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 all nx-X11 (common files) ii nxagent 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 i386 NX agent ii python-x2gobroker 0.0.3.0-0x2go1+git20160126.999+jessie.main.1 all X2Go Session Broker (Python modules) ii x2go-keyring 2012.07.23~jessie~main~17~build1 all GnuPG keys of all X2Go developers and the X2Go archive ii x2goagent 2:3.5.0.32-0x2go1+git20160126.734+jessie.main.1 all X2Go agent ii x2gobroker 0.0.3.0-0x2go1+git20160126.999+jessie.main.1 all X2Go Session Broker (executable) ii x2gobroker-agent 0.0.3.0-0x2go1+git20160126.999+jessie.main.1 i386 X2Go Session Broker (remote agent) ii x2gobroker-authservice 0.0.3.0-0x2go1+git20160126.999+jessie.main.1 all X2Go Session Broker (PAM authentication service) ii x2gobroker-daemon 0.0.3.0-0x2go1+git20160126.999+jessie.main.1 all X2Go Session Broker (standalone daemon) ii x2goserver 4.0.1.19-0x2go2+git20160126.1064+jessie.main.1 i386 X2Go server daemon scripts ii x2goserver-extensions 4.0.1.19-0x2go2+git20160126.1064+jessie.main.1 all X2Go server daemon scripts (extensions) ii x2goserver-printing 4.0.1.19-0x2go2+git20160126.1064+jessie.main.1 all X2Go server daemon scripts (printing) ii x2goserver-xsession 4.0.1.19-0x2go2+git20160126.1064+jessie.main.1 all X2Go server daemon scripts (Xsession runner) # --------------------------------------------------------- cat /etc/apt/sources.list # Security Updates deb http://security.debian.org/ jessie/updates main contrib non-free deb-src http://security.debian.org/ jessie/updates main contrib non-free # Backports deb http://ftp.debian.org/debian/ jessie-backports main contrib non-free # ClamAV etc. deb http://ftp.debian.org/debian jessie-updates main contrib non-free deb-src http://ftp.debian.org/debian jessie-updates main contrib non-free # Stable deb http://ftp.de.debian.org/debian/ jessie main contrib non-free deb-src http://ftp.de.debian.org/debian/ jessie main contrib non-free # X2go Repository deb http://packages.x2go.org/debian jessie main # X2go Repository (sources) deb-src http://packages.x2go.org/debian jessie main # --------------------------------------------------------- # --------------------------------------------------------- cat /etc/debian_version 8.3 # --------------------------------------------------------- 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 [View Less]

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Bug#1012: Session reconnect doesn't work (x2gobroker)
by Miguel Quero 07 Sep '18

07 Sep '18

I can confirm this bug, but the problem is not with all x2gobroker, the resume problem become when you use ssh broker. In my setup, when client connect with --broker-url=https://XXXX.XXXX.XXXX:8080/plain/inifile, all work fine and resume is working. But when same clients connect with same credentials to the same broker with x2goclient --broker-url=ssh://XXXX.XXXX.XXXX/usr/bin/x2gobroker --broker-autologin, all work fine but resume is not working, all connection open a new session :S. I cant … [View More]

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Bug#1034: Fix a segfault in x2goclient with OpenBSD
by Denis Fondras 26 May '18

26 May '18

Event better patch from Jeremie on OpenBSD mailing-list : https://marc.info/?l=openbsd-ports&m=146327448112980&w=2

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Bug#1226: x2goclient for Mac OS immediately throws error regarding "PulseAudio verison number" then crashes
by Sean Hooten 26 May '18

26 May '18

Package: X2GoClient_latest_macosx_10_9 Version: 4.1.0.0 Steps taken to produce the bug: Ran x2goclient.app, immediately get error upon initialization. Exact error message: > Error fetching PulseAudio version number! Unexpected format encountered. Expected: I expected x2goclient to initialize normally without an error message. What actually happened: x2goclient shows me the regular user interface with the pop-up error message. After selecting "Okay" it crashes. This was not an issue … [View More]

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Bug#1213: Missing icons in Eclipse toolbars with GTK2 in Published Apps mode
by Walid MOGHRABI 18 Dec '17

18 Dec '17

Package: x2goserver Version: 4.1.0.0-0~1413~ubuntu16.04.1 Running Eclipse with GTK2 backend in Published Apps mode leads to missing icons in the toolbars. They refreshed once you pass the mouse over or switch from one perspective to another so it's not too annoying but that's not great. This doesn't happens with GTK3. Regards, Walid Moghrabi TRAVAUX.COM BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403 13591 AIX EN PROVENCE CEDEX 3 --- DISCLAIMER: This e-mail is private and confidential … [View More]

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x2go-dev October 2017