Hi all,
recently there has been some noise about X2Go re-working its NX code
base. Indeed some quite interesting things have been going on recently
around NX and X2Go.
During the last weeks we have completely reworked the way we build NX
libraries. This has fixed a lot of instability problems people had
recently (summer/autumn 2011) already.
During this last week we set up the X2Go subproject
,,NX (redistributed)'' (aka nx-libs.git on http://git.x2go.org)
The X2Go project's developers (esp. Mike and Reinhard, supported by
Alex and Heinz) have decided to re-distribute NX sources as one big
tarball that builds with GNU make and contains patches not accepted by
NoMachine themselves. The building of the tarball with GNU make
already works fine, the ,,make install'' still needs more work. John
Williams has agreed to contribute on that (thanks for that!!!).
@John: please note that I have uploaded a new tarball containing the
functionality described below ;-):
http://code.x2go.org/releases/source/nx-libs/nx-libs_3.5.0.5-full.tar.gz
During the last days now, we have achieved something that so far has
hardly been imaginable (at least to me).
We have incorporated three patches into nx-libs.git that allows to
turn NX's nxagent into x2goagent during runtime:
01:
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=debian/patches/200_nxagen...
02:
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=debian/patches/201_nxagen...
03:
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=debian/patches/999_nxagen...
X2Go's agent is now part of NX and is maintained in nx-libs.git on
http://git.x2go.org.
The x2goagent package from now on depends on nxagent (as they are
one). The x2goagent package provides a symbolic link to nxagent, a
separate x2goagent man page and a wrapper script in /usr/bin, nothing
else. If nxagent is executed unter the name of x2goagent, the X2GO
branding gets activated within nxagent.
Also: ,,NX (redistributed)'' is fully FreeNX compliant. Install ,,NX
(redistributed)'' from the X2Go package archives and add FreeNX
(Ubuntu Launchpad) on top of that. FreeNX and X2Go can now again be
installed parallely on the same system. Interesting for migrations or
client diversity.
This step also allows us to finally abandon the following source
projects completely now:
nxcomp.git nxcompext.git nxcompshad.git nxproxy.git x2goagent.git
See also at the bottom of this page: http://code.x2go.org/gitweb
As this is esp. a call-out for testing the new packages(!!!!) here are
some short infos on upgrading your X2Go test servers. Packages are
available for Debian squeeze, wheezy, sid and Ubuntu lucid, ...,
precise.
The .deb packages are already available in the X2Go nightly-built
repositories:
http://wiki.x2go.org/wiki:development:nightly-builds?&#nightly-builds_for_ubuntu_gnu_linux
Please note, that x2goagent will not install when running ,,apt-get
upgrade''. Either you have to run ,,apt-get dist-upgrade'' or
explicitly install x2goagent with ,,apt-get install x2goagent''.
light+love Mike
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Hi!
in principle this is really great and i appreciate the hard work.
Sadly, the upgraded nxagent had the effect that neither freenx nor neatx-server was working anymore (ubuntu 10.04, neatx-server and x2go side by side using http://ppa.launchpad.net/freenx-team/ppa/ubuntu and http://ppa.launchpad.net/x2go/stable/ubuntu)
Looking at the debug-output of the server shows this:
DEBUG daemon:461 /usr/bin/nxagent[8867] stderr: Error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''. ERROR agent:376 Agent error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''.
as i didn't had the time right away to track the problem down, i downgraded the nxagent to the version in the freenx-ppa of ubuntu. It seems there is some issue with xauth in the end. If you need furhter help with this, feel free to contact me.
(slightly) off-topic: In the long run i would like to only use x2go, but there is an issue left which i name here:
When connecting from computers with german-keyboard-layout to a session where an english-keyboard layout was set, it happens that pressing 'ALTGR+Q' (which should write '@') will switch to a mode which always have ALTGR on. Only defocus+focus the window again 'fixes' the problem. No setting of the keyboard-layout via gnome-keyboar-switcher or setting via 'setxkbmap de' is helping. Perhaps you can gave me a hint what to do in such a case or to even track this bug down? Thanks!
best regards
Jochen SchulzHi Jochen,
On Fr 13 Jan 2012 11:48:35 CET Jochen Schulz wrote:
in principle this is really great and i appreciate the hard work.
Sadly, the upgraded nxagent had the effect that neither freenx nor neatx-server was working anymore (ubuntu 10.04, neatx-server and x2go side by side using http://ppa.launchpad.net/freenx-team/ppa/ubuntu and http://ppa.launchpad.net/x2go/stable/ubuntu)
Looking at the debug-output of the server shows this:
DEBUG daemon:461 /usr/bin/nxagent[8867] stderr: Error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''. ERROR agent:376 Agent error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''.
as i didn't had the time right away to track the problem down, i downgraded the nxagent to the version in the freenx-ppa of ubuntu. It seems there is some issue with xauth in the end. If you need furhter help with this, feel free to contact me.
Please provide more information on that. Esp. what exact package
versions are installed on your system. Furthermore, please provide the
deb-URLs where you got all the software components from. Thanks.
(slightly) off-topic: In the long run i would like to only use x2go, but there is an issue left which i name here:
When connecting from computers with german-keyboard-layout to a session where an english-keyboard layout was set, it happens that pressing 'ALTGR+Q' (which should write '@') will switch to a mode which always have ALTGR on. Only defocus+focus the window again 'fixes' the problem. No setting of the keyboard-layout via gnome-keyboar-switcher or setting via 'setxkbmap de' is helping. Perhaps you can gave me a hint what to do in such a case or to even track this bug down? Thanks!
This smells like you are using old X2Go agent code. This has been
settled some months ago...
Mike
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Hi!
Sadly, the upgraded nxagent had the effect that neither freenx nor neatx-server was working anymore (ubuntu 10.04, neatx-server and x2go side by side using http://ppa.launchpad.net/freenx-team/ppa/ubuntu and http://ppa.launchpad.net/x2go/stable/ubuntu)
Looking at the debug-output of the server shows this:
DEBUG daemon:461 /usr/bin/nxagent[8867] stderr: Error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''.
ERROR agent:376 Agent error: Aborting session with 'Unable to open display 'nx/nx,options=/var/lib/neatx/sessions/09BD2B7A618AF0AEAC0292E490A9D340/options:682''.
as i didn't had the time right away to track the problem down, i downgraded the nxagent to the version in the freenx-ppa of ubuntu. It seems there is some issue with xauth in the end. If you need furhter help with this, feel free to contact me.
Please provide more information on that. Esp. what exact package versions are installed on your system. Furthermore, please provide the deb-URLs where you got all the software components from. Thanks.
the deb-urls are # FreeNX deb http://ppa.launchpad.net/freenx-team/ppa/ubuntu lucid main # X2Go deb http://ppa.launchpad.net/x2go/stable/ubuntu lucid main
the versions now running are: x2goagent 3.5.0.5-0~72~lucid1 x2gognomebindings 2.0.1.3-0~47~lucid1 x2goserver 3.0.99.7 nx-common 0.3.1+svn59-0~ppa1~lucid1 nxagent 1:3.5.0-1-2-0ubuntu1ppa8 nxauth 2:3.5.0.2-0~135~lucid1 nxclient 3.4.0-7 nxlibs 1:3.5.0-1-2-0ubuntu1ppa8 nxproxy 2:3.5.0.2-0~135~lucid1 neatx-server 0.3.1+svn59-0~ppa1~lucid1 libnx-x11 2:3.5.0.2-0~135~lucid1 libxcomp3 2:3.5.0.2-0~135~lucid1 libxcompext3 2:3.5.0.2-0~135~lucid1 libxcomp3 2:3.5.0.2-0~135~lucid1 libssh-4 0.4.8-2
and pyhoca-gui and the corresponding python-libs, but i think this isn't relevant here.
i only tried connecting to the server via nxclient 3.4 or 3.5 from ubuntu-machines (if this is relevant, but i think not).
(slightly) off-topic: In the long run i would like to only use x2go, but there is an issue left which i name here:
When connecting from computers with german-keyboard-layout to a session where an english-keyboard layout was set, it happens that pressing 'ALTGR+Q' (which should write '@') will switch to a mode which always have ALTGR on. Only defocus+focus the window again 'fixes' the problem. No setting of the keyboard-layout via gnome-keyboar-switcher or setting via 'setxkbmap de' is helping. Perhaps you can gave me a hint what to do in such a case or to even track this bug down? Thanks!
This smells like you are using old X2Go agent code. This has been settled some months ago...
I pinned the x2goserver-package to 3.0.99.7 (and patched some things manually) because of some problems with the newer ones, so yes, i have old code.. but i did not recognised that this bug was fixed, sorry. For the "problems" i had with newer x2goserver-packages and my patches: when i have more time, i will look if there are gone and, if not provide, the necessary information and/or patches. The problem above with nxagent should not be affected by theses differences.
Jochen
Hi,
On Fr 13 Jan 2012 12:48:36 CET Jochen Schulz wrote:
Please test with the Ubuntu nightly builds (tomorrow! not today!).
Check on launchpad.net/~x2go that packages have been built already.
the versions now running are: x2goagent 3.5.0.5-0~72~lucid1
-> should be 2:3.5.0.6-0~something
x2gognomebindings 2.0.1.3-0~47~lucid1 x2goserver 3.0.99.7
-> should be 3.0.99.8 or .9.
nx-common 0.3.1+svn59-0~ppa1~lucid1 nxagent 1:3.5.0-1-2-0ubuntu1ppa8
-> 2:3.5.0.6-0~something
nxauth 2:3.5.0.2-0~135~lucid1
-> 2:3.5.0.6-0~something
nxclient 3.4.0-7 nxlibs 1:3.5.0-1-2-0ubuntu1ppa8
-> DROP!!!
nxproxy 2:3.5.0.2-0~135~lucid1
-> 2:3.5.0.6-0~something
neatx-server 0.3.1+svn59-0~ppa1~lucid1
libnx-x11 2:3.5.0.2-0~135~lucid1 libxcomp3 2:3.5.0.2-0~135~lucid1 libxcompext3 2:3.5.0.2-0~135~lucid1 libxcomp3 2:3.5.0.2-0~135~lucid1
-> should all be 2:3.5.0.6-0~something
libssh-4 0.4.8-2
and pyhoca-gui and the corresponding python-libs, but i think this isn't relevant here.
Yeah, irrelevant...
i only tried connecting to the server via nxclient 3.4 or 3.5 from ubuntu-machines (if this is relevant, but i think not).
This smells like you are using old X2Go agent code. This has been settled some months ago...
I pinned the x2goserver-package to 3.0.99.7 (and patched some things manually) because of some problems with the newer ones, so yes, i have old code..
The x2goserver does not cause the keyboard bug, it actually was in
x2goagent, but you have the new version. Let's see if problems persist
after upgrade (nightly packages, ppa:x2go/ppa, not ppa:x2go/stable).
but i did not recognised that this bug was fixed, sorry.
Please, report bugs to x2go-dev ML, then they get fixed even faster...
For the "problems" i had with newer x2goserver-packages and my patches: when i have more time, i will look if there are gone and, if not provide, the necessary information and/or patches. The problem above with nxagent should not be affected by theses differences.
Yeah, brilliant!!! Thanks!
Jochen
Mike
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Hi!
Please test with the Ubuntu nightly builds (tomorrow! not today!).
Check on launchpad.net/~x2go that packages have been built already.
it seems that the nightly builds work just fine (both neatx-server and x2go). Thanks! Do you know already, when you will have this fix in the stable repo? (because my setup is in production)
nxlibs 1:3.5.0-1-2-0ubuntu1ppa8
-> DROP!!!
they were a dependency with the downgraded nxagent. of course i dropped them, when nxagent was upgraded.
This smells like you are using old X2Go agent code. This has been settled some months ago...
I pinned the x2goserver-package to 3.0.99.7 (and patched some things manually) because of some problems with the newer ones, so yes, i have old code..
The x2goserver does not cause the keyboard bug, it actually was in
x2goagent, but you have the new version. Let's see if problems persist
after upgrade (nightly packages, ppa:x2go/ppa, not ppa:x2go/stable).
the keyboard-bug also seems to be gone. very good!
perhaps i could now switch to x2go entirely as the keyboard-bug was fatal for my setup and drop support for nx as i have x2go in a thinclient environment, it is more stable and has more features.
for the x2goserver-issues i will report when i have time for this.
Thanks!
Jochen
Hi Jochen,
On Sa 14 Jan 2012 15:01:25 CET Jochen Schulz wrote:
Please test with the Ubuntu nightly builds (tomorrow! not today!). Check on launchpad.net/~x2go that packages have been built already.
it seems that the nightly builds work just fine (both neatx-server
and x2go). Thanks! Do you know already, when you will have this fix
in the stable repo? (because my setup is in production)
I will aim (together with Alex and Reinhard) at declaring the packages
as ,,stable'' for X2Go in 2 weeks' time or os. We need more test
results for that!!!
for the x2goserver-issues i will report when i have time for this.
sed s/time/priority ;-) -- please do so!
@ALL: please test the new NX packages (incl. x2goagent alias nxagent)
from the nightly builds!!!
Thanks, Mike
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Hi!
for the x2goserver-issues i will report when i have time for this.
sed s/time/priority ;-) -- please do so!
ok, i tested the actual x2goserver-package (in stable) and reviewed my patches.
- the usernames we have here, do have dots in the name which breaks the postgres-db-queries. Therefore patch 1 was to all escape these queries where the username was used (which is in only in x2godbadmin i think). for example:
prepare("DROP OWNED BY \"x2gouser_$user\"");
because i don't want to manually manage the users for the x2go-stuff i really hacked a hole in x2godbwrapper.pm to create the user, if it doesn't exists in the db. I should do this anyway via my normal user-create-scripts. So there is no real patch needed.
we use kerberos here and to correctly pass the the KRB5CCNAME to the running session i wrote a line with "export KRB5CCNAME" in x2goruncommand. This also is now obsolete because you implemented Xsession-support.
i will patch the files manually again (and pin the package), but it would be great, if 1) will be fixed in trunk. Thanks!
JochenHi Jochen
On Mi 25 Jan 2012 10:11:57 CET Jochen Schulz wrote:
- the usernames we have here, do have dots in the name which breaks the postgres-db-queries. Therefore patch 1 was to all escape these queries where the username was used (which is in only in x2godbadmin i think). for example:
prepare("DROP OWNED BY \"x2gouser_$user\"");
Committed, will be in x2goserver 3.0.99.10... http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=e887a2beb7d4d82f...
- we use kerberos here and to correctly pass the the KRB5CCNAME to the running session i wrote a line with "export KRB5CCNAME" in x2goruncommand. This also is now obsolete because you implemented Xsession-support.
I use Kerberos a lot, too, and have not needed this so far. Even
without x2goserver-xsession installed. Could you specifiy on this?
Mike
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Hi!
Committed, will be in x2goserver 3.0.99.10... http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=e887a2beb7d4d82f...
Thanks! i will check it out.
- we use kerberos here and to correctly pass the the KRB5CCNAME to the running session i wrote a line with "export KRB5CCNAME" in x2goruncommand. This also is now obsolete because you implemented Xsession-support.
I use Kerberos a lot, too, and have not needed this so far. Even without x2goserver-xsession installed. Could you specifiy on this?
for the principle functionality of authentification/authorization via kerberos there is no problem. To succesfully use single-sign-on with kerberos or be able to held a kerberos-authorized nfsv4 mount you need a valid ticket-cache all the time and the software must know where to look (KRB5CCNAME). the way x2goruncommand was doing it, the started session (in our case it is gnome-session) didn't know anything about KRB5CCNAME and also all subsequent processes didn't know either.
JochenHi Jochen,
On Do 26 Jan 2012 15:13:58 CET Jochen Schulz wrote:
- we use kerberos here and to correctly pass the the KRB5CCNAME to the running session i wrote a line with "export KRB5CCNAME" in x2goruncommand. This also is now obsolete because you implemented Xsession-support.
I use Kerberos a lot, too, and have not needed this so far. Even without x2goserver-xsession installed. Could you specifiy on this?
for the principle functionality of authentification/authorization via kerberos there is no problem. To succesfully use single-sign-on with kerberos or be able to held a kerberos-authorized nfsv4 mount you need a valid ticket-cache all the time and the software must know where to look (KRB5CCNAME). the way x2goruncommand was doing it, the started session (in our case it is gnome-session) didn't know anything about KRB5CCNAME and also all subsequent processes didn't know either.
committed: http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=6e50ee147551291f...
Greets, Mike
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Hi,
We use freenx server. I would like to know how to use these patches for our server.
Thanks.
Sincerely,
Jean
Le 26/01/2012 17:23, Mike Gabriel a écrit :
Hi Jochen,
On Do 26 Jan 2012 15:13:58 CET Jochen Schulz wrote:
- we use kerberos here and to correctly pass the the KRB5CCNAME to the running session i wrote a line with "export KRB5CCNAME" in x2goruncommand. This also is now obsolete because you implemented Xsession-support.
I use Kerberos a lot, too, and have not needed this so far. Even without x2goserver-xsession installed. Could you specifiy on this?
for the principle functionality of authentification/authorization via kerberos there is no problem. To succesfully use single-sign-on with kerberos or be able to held a kerberos-authorized nfsv4 mount you need a valid ticket-cache all the time and the software must know where to look (KRB5CCNAME). the way x2goruncommand was doing it, the started session (in our case it is gnome-session) didn't know anything about KRB5CCNAME and also all subsequent processes didn't know either.
committed: http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=6e50ee147551291f...
Greets, Mike
X2go-Dev mailing list X2go-Dev@lists.berlios.de https://lists.berlios.de/mailman/listinfo/x2go-dev
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Hi Jean,
On Do 26 Jan 2012 17:25:48 CET Jean Milot wrote:
Hi,
We use freenx server. I would like to know how to use these patches
for our server.Thanks.
Sincerely,
Jean
This will become off-topic on the X2Go development list. Please ask on
this mailing list for FreeNX support:
https://mail.kde.org/mailman/listinfo/freenx-knx
Greets, Mike
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Hi!
I use Kerberos a lot, too, and have not needed this so far. Even without x2goserver-xsession installed. Could you specifiy on this?
for the principle functionality of authentification/authorization via kerberos there is no problem. To succesfully use single-sign-on with kerberos or be able to held a kerberos-authorized nfsv4 mount you need a valid ticket-cache all the time and the software must know where to look (KRB5CCNAME). the way x2goruncommand was doing it, the started session (in our case it is gnome-session) didn't know anything about KRB5CCNAME and also all subsequent processes didn't know either.
committed: http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=6e50ee147551291f...
Thanks! You are very fast and helpful.
Jochen
Hello dear X2Go users,
I want to share with you my idea to create new application, which should replace such packages as kde/lxde/gnome-bindings and x2godesktopsharing.
The reasons to create such application are:
- reduce effort of developing and supporting bindings for every desktop environment
- put all x2go related settings in one place. That should improve usability
- add some new features
The application should provide existing features:
- display and manage(open, demount) exported shares
- manage sharing of display (x2godesktopsharing) if display sharing is configured
- suspend X2Go session
The application should be able to communicate with x2goclient and provide some new features:
- switch between "full screen" and "window" modes
- enable/disable multi display (Xinerama) support
- send x2goclient command to open "export directory" dialog. This should be very useful if X2Go session is running in "full screen" mode or x2goclient is minimized to system tray.
I'll be appreciative for your comments and for suggestions about this application's name.
best regards, Alex
Oleksandr Shneyder Dipl. Informatik X2go Core Developer Team
email: oleksandr.shneyder@obviously-nice.de web: www.obviously-nice.de
--> X2go - everywhere@home
Hi Alex,
On Fr 27 Jan 2012 09:16:27 CET Oleksandr Shneyder wrote:
Hello dear X2Go users,
I want to share with you my idea to create new application, which should replace such packages as kde/lxde/gnome-bindings and x2godesktopsharing.
The reasons to create such application are:
- reduce effort of developing and supporting bindings for every desktop environment
- put all x2go related settings in one place. That should improve usability
- add some new features
The application should provide existing features:
- display and manage(open, demount) exported shares
- manage sharing of display (x2godesktopsharing) if display sharing is configured
- suspend X2Go session
The application should be able to communicate with x2goclient and provide some new features:
- switch between "full screen" and "window" modes
- enable/disable multi display (Xinerama) support
- send x2goclient command to open "export directory" dialog. This should be very useful if X2Go session is running in "full screen" mode or x2goclient is minimized to system tray.
I'll be appreciative for your comments and for suggestions about this application's name.
Having one application (or better: applet) for this makes absolutely
sense. However, I recommend and would love to see that this
application fluently integrates into common desktop shells.
My name proposals are
X2Go Desktop Integration X2Go Desktop Manager
Greets, Mike
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On Fri, 2012-01-27 at 09:16 +0100, Oleksandr Shneyder wrote:
Hello dear X2Go users,
I want to share with you my idea to create new application, which should replace such packages as kde/lxde/gnome-bindings and x2godesktopsharing.
The reasons to create such application are:
- reduce effort of developing and supporting bindings for every desktop environment
- put all x2go related settings in one place. That should improve usability
- add some new features
The application should provide existing features:
- display and manage(open, demount) exported shares
- manage sharing of display (x2godesktopsharing) if display sharing is configured
- suspend X2Go session
The application should be able to communicate with x2goclient and provide some new features:
- switch between "full screen" and "window" modes
- enable/disable multi display (Xinerama) support
- send x2goclient command to open "export directory" dialog. This should be very useful if X2Go session is running in "full screen" mode or x2goclient is minimized to system tray.
I'll be appreciative for your comments and for suggestions about this application's name.
<snip> I think it is an excellent idea. Of course, the devil will be in the details :) - John
Hi!
to perhaps make it clearer: the versions given are now running fine. using nxagent with the version 2:3.5.0.2-0~135~lucid1 breaks nx, but works fine with x2go.
Jochen
-
Jean Milot -
Jochen Schulz -
John A. Sullivan III -
Mike Gabriel -
Oleksandr Shneyder