Re: [X2Go-User] Possible to use server SSH key like FreeNX?

2014-05-19 Thread Stefan Baur
Am 19.05.2014 16:32, schrieb Jasmine Lognnes:

 In FreeNX it is possble to change the default SSH key, so in addition
 to have a valid username+passphrase to the host, the user also needs a
 SSH key. The SSH key is the same for all users.
 
 Is this also possible in x2go?

Uh, I think you're either confusing things here or your statement is too
vague to figure out what you're actually trying to ask.

NoMachine NX/FreeNX uses a special pair of SSH public/private keys
during initial session setup. NX ships a default key pair, and you can
change that to one you (as the admin) created. This key pair will be the
same for all connections to the server.

This is independent of the user's SSH authentication method (which, in
case of X2Go, can be password, an individual SSH key file, or a smartcard).

As far as I know - but Mike#1 should be able to make a more qualified
statement here - X2Go does not need such an underlying shared key pair
at all. So, since it is not needed, there's no way or reason to change it.

Using an *individual* SSH key pair for each user instead of simple
password-based authentication is obviously recommended, but this must be
done right.

rantThe private key file must be kept secret at all times, not even
the admin should have a copy - or read access. Some people have the
brilliant idea to store private key files on network shares where
other people can access them, because they fail to realize that a
keyfile that hasn't been properly protected is like handing out a
permanent second key to your home - it doesn't help to change the
password you used to protect the keyfile, because the original password
will still work on the copy the attacker has in his hands, and this can
be brute-forced like a regular password, once the keyfile is in the
enemy's hands./rant

-Stefan
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Re: [X2Go-User] Possible to use server SSH key like FreeNX?

2014-05-20 Thread Stefan Baur
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Am 20.05.2014 13:31, schrieb Mike Gabriel:

 Also, on the todo list for X2Go Client we have two-factor
 authentication (password+privkey authentication in sequence).

*ahem* to clarify: two-factor authentication, using a secret key that
is password-protected, is already present. If you specify a
password-protected key file, X2Go will prompt you for the password to
unlock the key.

What's on the to-do list is a smarter solution to handle not having a
running SSH agent while also having autologin (but no keyfile)
specified in the session.

See Bug 489 in the Bugtracker:
http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=489

- -Stefan
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Re: [X2Go-User] Today: X2Go on FLOSS weekly

2014-05-22 Thread Stefan Baur
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Hi everyone,

the FLOSS Weekly interview recording is available on the web and
there's a short write-up in the Wiki, including direct links to the
video and audio feeds:

http://wiki.x2go.org/doku.php/events:start?#x2go_on_floss_weekly_295_2014-05-21

@everyone with write permissions on that Wiki page:
Feel free to provide a more detailed summary. :-)

- -Stefan
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Re: [X2Go-User] Pb with x2go agent on ppc64 system

2014-06-11 Thread Stefan Baur
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Am 11.06.2014 13:30, schrieb Mike Gabriel:
 
 As this is a very special case, I cannot give more advise on this 
 without being contracted and payed for the time I would have to
 give for helping with a solution.

Do you think you could at least give him a hint as to where that
message is pulling the IP from and how it is being mangled/processed
before that?

My guess is that there's some self-made conversion routine somewhere
that only works on little-endian architectures like x86 and x64.

PPC64 is big-endian by default.

@Sebastien: Wikipedia claims that PPC64 can be switched to
little-endian, though big-endian is the default. Could you please
check if such a switch is feasible for you and if it makes the problem
go away?

- -Stefan
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Re: [X2Go-User] x2go client side printing

2014-06-28 Thread Stefan Baur
Am 28.06.2014 23:39, schrieb Steve Bergman:
 X2GO, like FreeNX before it, continues to be absolutely amazing. I have
 ~100 business users in 4 offices in 4 cities in 2 states doing all their
 daily office work in X2GO/MATE/Debian, and it just flies over the WAN. I
 just got finished watching (and listening to) Mike Gabriel's talk at
 Debconf on YouTube via X2GO over a 6mbit connection. Impressive.

What Mike DePaulo (Mike#2) said - let me just add one tiny bit of
info/shameless OpenSource plug: Both of our Mikes (Mike Gabriel AKA
Mike#1 as well as Mike#2) were on FLOSS Weekly a short while ago, so
maybe you'd like to watch the recording of that, too:
http://wiki.x2go.org/doku.php/events:start#section2014

-Stefan
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Re: [X2Go-User] Asyncron bandwith issue

2014-09-01 Thread Stefan Baur
Am 01.09.2014 um 15:14 schrieb Mike Gabriel:
 
 Nope, there is no one else than him on the connection. He is using an
 ethernet cable to his cable-modem, wifi is turned off, and no other
 applications than X2go client is running on his computer.
 The issue can be reproduced any time we like, but only on this
 particular ISP connection.

Are hardware issues ruled out already?

For example, you could try to use scp or rsync (which uses ssh by
default, just as X2Go) to transfer a sufficiently large file back and
forth and see if the line/cable-modem performs according to specs.

I've seen wonky hardware act up once the upstream was actually maxed out
(no issues during casual surfing, pinging etc. - only when a higher load
towards the upstream router was present).

Hint: If you test using the particular client and server that you want
to use for the X2Go connection, you'll see a more realistic result than
by running some obscure speed test on a web site.

-Stefan
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Re: [X2Go-User] Stopping a session from suspending on disconnect

2014-09-16 Thread Stefan Baur
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Am 16.09.2014 um 12:01 schrieb Martyn Welch:
 X2go is generally working well as a replacement (thanks guys!),
 however one complaint that I'm getting from users is that x2go
 suspends sessions on disconnect. Some users have graphical tools
 that they are kicking off to run long tasks and want to disconnect,
 leaving the task to complete (for example, over night) without
 needing the session to be maintained. This was the default
 behaviour in neatx and hence the behaviour that the users have come
 to expect (sessions wouldn't suspend on disconnect). Is there any
 mechanism built into x2go to achieve this?

Are you sure your users actually tried that out and aren't just
mislead by the expression suspend?  In fact, it is more like detach.
You detach the X2Go session, and the virtual screen on the server
remains running, so you can re-attach at any time.

I think there was a piece of code that would let you renice sessions
that were in a detached state, so they take up less CPU, but I'm not
sure if that made it to a stable release yet.  Mike#1 might know more.

A full suspend, comparable to a laptop suspend/hibernate, is not
something X2Go does.

- -Stefan

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Re: [X2Go-User] Stopping a session from suspending on disconnect

2014-09-17 Thread Stefan Baur
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(Crossposting/forwarding this to x2go-dev)

Hi guys,

judging from this user feedback, maybe we should change our terminology?
Detach (German: Trennen) seems to be less misleading than
Suspend (German: Anhalten).
At least one of the closed-source, commercial players in the remote
desktop field uses Trennen in its German client software, too.

- -Stefan

Am 17.09.2014 um 12:21 schrieb Martyn Welch:
 Ooh, this is embarrassing...
 
 On 16/09/14 15:41, Stefan Baur wrote: Am 16.09.2014 um 12:01
 schrieb Martyn Welch:
 X2go is generally working well as a replacement (thanks
 guys!), however one complaint that I'm getting from users is
 that x2go suspends sessions on disconnect. Some users have
 graphical tools that they are kicking off to run long tasks
 and want to disconnect, leaving the task to complete (for
 example, over night) without needing the session to be
 maintained. This was the default behaviour in neatx and hence
 the behaviour that the users have come to expect (sessions
 wouldn't suspend on disconnect). Is there any mechanism built
 into x2go to achieve this?
 
 Are you sure your users actually tried that out and aren't just 
 mislead by the expression suspend?  In fact, it is more like
 detach. You detach the X2Go session, and the virtual screen on
 the server remains running, so you can re-attach at any time.
 
 
 I'd had a few guys independently raise this with me and hadn't
 actually tested it (it didn't seem unlikely and the suspend
 terminology made it seem plausible).
 
 A quick test running a loop in a terminal kinda proved that they
 were wrong...
 
 For anyone reading this in the archive, try:
 
 i=0; while [ 1 ]; do echo Count $i; let i=$i+1; sleep 1; done
 
 Leave running and disconnect, log back in after a while, you'll
 see the count has increased proportionally with the time that's
 past. (Or ssh in separately and watch the PID of the sleep
 command increment).
 
 
 Sorry for the noise.
 
 Martyn
 
 I think there was a piece of code that would let you renice
 sessions that were in a detached state, so they take up less CPU,
 but I'm not sure if that made it to a stable release yet.  Mike#1
 might know more.
 
 A full suspend, comparable to a laptop suspend/hibernate, is not 
 something X2Go does.
 
 -Stefan
 
 ___ x2go-user mailing
 list x2go-user@lists.x2go.org 
 http://lists.x2go.org/listinfo/x2go-user
 
 

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Re: [X2Go-User] Stopping a session from suspending on disconnect

2014-09-17 Thread Stefan Baur
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Am 17.09.2014 um 14:29 schrieb Mike Gabriel:

 Please also note that in X2Go Server 4.1.0.0 we will have a renice
 feature.

Shouldn't this be made configurable, at least as a server-side global
option?  Some people might rely on their applications running at the
same speed when detached.

- -Stefan

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Re: [X2Go-User] Stopping a session from suspending on disconnect

2014-09-17 Thread Stefan Baur
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Am 17.09.2014 um 14:37 schrieb Mike Gabriel:

 Please also note that in X2Go Server 4.1.0.0 we will have a
 renice feature.
 
 Shouldn't this be made configurable, at least as a server-side
 global option?  Some people might rely on their applications
 running at the same speed when detached.
 
 Sure, it will be (and already is). I am still just simply pondering
 if it shall be on or off by default.

For Debian/Ubuntu: On by default (assuming it's tested enough), and
with a config question of sufficiently high priority that it *doesn't*
install silently when the Debian/Ubuntu default configuration priority
is set, and with a clear explanation what it does and where people
should consider turning it off (batch jobs, number crunching, etc.).

- -Stefan

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Re: [X2Go-User] Like doceri?

2014-10-02 Thread Stefan Baur
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Am 02.10.2014 um 13:13 schrieb Neal Becker:

 I've not heard the term shadow sessions before, is there some
 description of what this is?

Session shadowing is another term for desktop sharing.
See:
http://wiki.x2go.org/doku.php/doc:usage:desktop-sharing?s[]=desktops[]=sharing

- -Stefan

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Re: [X2Go-User] Is it possible to get pulseaudio sound in app mode?

2014-10-07 Thread Stefan Baur
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Am 07.10.2014 um 15:32 schrieb Edouard Gaulué:

 I think everything is linked with the fact I try not to use a
 windows manager, but I'm even not sure pulseaudio can deal with
 several simultenous users.
 
 Any advices/ideas would be really appreciated.

All I can add is that in general, pulseaudio sound between a Windows
client and an x86-based Debian Wheezy works fine, even with published
applications and multiple users.  So it is most likely an issue with
your particular setup.

Maybe I'm misinterpreting your statement, but if you don't want to run
a window manager on the server side, you should be running one
locally, and you have to take care of starting pulseaudio on the
client as well.

You could do any of the following, IMO:
- - Run a remote desktop environment and set the rights on the *.desktop
files in a way that the users you want to let in via X2Go can only
access Firefox and the Logoff menu item.
- - Run a local desktop environment/window manager, possibly with some
manual configuration for pulseaudio.
- - run https://github.com/alandmoore/KiLauncher on the server and
specify the allowed apps there.

Note that as long as users can define their own sessions, there's
nothing that stops them from specifying another application unless you
removed access rights on the particular executable on the server.  So
don't think of published applications as a security feature, they are not.

- -Stefan

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Re: [X2Go-User] restricting access to published applications

2014-10-22 Thread Stefan Baur
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Am 22.10.2014 um 12:46 schrieb Bernhard J. Mayr:

 Is there a chance to restrict access to x2go server to only
 published applications sessions in the way that a user can only
 establish x2go published applications sessions but no desktop
 session?

The safest way (as in actually denying access, rather than just hiding
it) is to use unix file system permissions and group memberships.
Make sure your users are in a certain group, make sure this group has
the rights to execute the published applications, but remove the right
from the desktop session starter executables.

- -Stefan

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Re: [X2Go-User] restricting access to published applications

2014-10-22 Thread Stefan Baur
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Am 22.10.2014 um 13:00 schrieb Stefan Baur:

 Is there a chance to restrict access to x2go server to only 
 published applications sessions in the way that a user can only 
 establish x2go published applications sessions but no desktop 
 session?
 
 The safest way (as in actually denying access, rather than just
 hiding it) is to use unix file system permissions and group
 memberships. Make sure your users are in a certain group, make sure
 this group has the rights to execute the published applications,
 but remove the right from the desktop session starter executables.

Addendum: Of course, if you do not need a full desktop environment at
all, you could also go ahead and uninstall it.
X2Go in PubApp/Single App mode will run just fine without one.

- -Stefan

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Re: [X2Go-User] client side printing

2014-10-24 Thread Stefan Baur
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Am 23.10.2014 um 20:17 schrieb Bernhard Mayr:
 ...File Sharing between Client and Server works well, therefore I
 assume that ssh works fine. As far as I read the documentation both
 functions use reverse tunnels via ssh?!

I don't use this feature, so I can't really be of help, but it might
help others if you specify which server version on which release of
which Linux distribution you use, and which client version on which
client operating system.

- -Stefan


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Re: [X2Go-User] man page update X2Go Client

2014-10-27 Thread Stefan Baur
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Am 27.10.2014 um 04:56 schrieb Mike Gabriel:
 Unfortunately, the public documentation for X2Go Client in LDAP is
 very scarce and I have neither tested it so far.

- -- a task for Heinz @ The Gathering?

- -Stefan

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Re: [X2Go-User] Usage question - multiple destination sessions?

2014-10-29 Thread Stefan Baur
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Am 29.10.2014 um 21:16 schrieb Robert Dinse:

[please don't top-post]

 I have x2go configured on a mac system and I use it to connect to
 a remote Linux system. Works fine. However, I would like to be
 able to open a second session on a different Linux system. Is
 this possible? Right now, it appears that everything hangs when I
 do that. I?m guessing there are ports that are being reused ?
 probably for the display, but I don?t know anything about x2go
 configuration files?.
 
 If this isn?t possible, is there some way to get multiple, 
 simultaneous access to different remote systems using x2go?

 I have this same problem on Mac, also, since it absorbs the
 workspace change keys (control + arrow on Mac, control+alt+arrow on
 Ubuntu) it ruins it's usefulness even when it doesn't hang.

I believe PyHoca-GUI was built for having multiple connections to
several servers at once, and it should be available on the Mac by now,
too.  Haven't really toyed around with it, though, so don't take my
word for it, but wait for its developer, Mike#1, to comment.

Also, I *hope* to see some improvements to the regular Mac client
materializing this weekend, though I can't promise anything (/me looks
at Ionic with hope and desperation).

- -Stefan

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Re: [X2Go-User] Thin(ish) terminal without PXE

2014-11-13 Thread Stefan Baur
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Am 13.11.2014 um 23:42 schrieb James E. LaBarre:
 I am trying to set up a Thin terminal on an old T23 ThinkPad
 laptop, but I'm not looking to set up a PXE server for it to boot
 off of. Instead I have installed a basic copy of Debian on it (used
 LXDE just to see that the graphics would work), and have set up
 x2gothinclient as the display manager (ratherthan the default
 lightdm).
 
 The problem I've seen thus far is there is no way to define a x2go
 login profile, which I would need to even use it at all.  The
 example profiles on the login screen cannot be edited, and they
 don't go anyplace (at least no place in MY home network).  There
 also isn't anyplace on the login screen to add new ones (the way
 you would if you brought up the x2client on a regular desktop
 session).

x2gothinclient stores:
- - session info in /etc/x2go/x2gothinclient_sessions
- - command line parameters being used to call the x2goclient executable
  in /etc/x2go/x2gothinclient_start

Obviously, for a real thin client, you don't want users to be mucking
with the session settings, so --no-edit is specified as a command line
parameter to x2goclient in the above mentioned file.

That's all that is to it.

- -Stefan

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Re: [X2Go-User] Thin(ish) terminal without PXE

2014-11-13 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Am 14.11.2014 um 00:00 schrieb Stefan Baur:

 Obviously, for a real thin client, you don't want users to be
 mucking with the session settings, so --no-edit is specified as a
 command line parameter to x2goclient in the above mentioned file.

Correction: That's --no-session-edit, not --no-edit.

- -Stefan

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Re: [X2Go-User] Fwd: Fwd: Instant-Debian image for thin-clients

2014-11-30 Thread Stefan Baur
Am 20.11.2014 um 16:29 schrieb Andreas Gläser:
[much blahblah snipped]

I fail to see what this has to do with X2Go, other than you used X2go
as a workaround for your problem.
We're not Debian, we're not XOrg, so the bug report mentioned has
nothing to do with us.

Also, we have not one, but two working thinclient environments - one
of them takes approximately 160 *Megabytes*.
Your Thinclient image, on the other hand, is 1.8 *Gigabytes* in size
and doesn't even include x2goclient.  Which means it is of no use for
anyone on this list trying to run x2go in thin client mode.

So, in short, please do not post further off-topic messages to the
list. Also, binary attachments, unless they're screenshots of a bug,
are frowned upon.

-Stefan

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Re: [X2Go-User] X2Go Linux Server. Virtual print issue workaround

2014-12-01 Thread Stefan Baur
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Am 01.12.2014 um 08:59 schrieb ?:
 The problem is that CUPS remounts /tmp during print process.
Any explanation as to *why* it does that?

- -Stefan

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[X2Go-User] Trying to get X2Go Session Broker to work

2015-01-03 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi,

I'm trying to get X2Go Session Broker to work.
All x2goserver and x2gobroker packages have been installed from the
stable repository onto a Debian Wheezy server.

On the Windows 7 client (4.0.3.1), I am using:
x2goclient
- --broker-url=ssh://x2go-gast01@192.168.0.185:22/usr/sbin/x2gobroker
- --broker-autologin

I then get a popup displaying this error message:

- ---
Error
- ---
2015-01-03 22:05:48,639 - broker - INFO - X2Go Session Broker
(0.0.2.3), written by Mike Gabriel (X2Go Project)
mike.gabr...@das-netzwerkteam.de
2015-01-03 22:05:48,640 - broker - INFO - Setting up the broker's
environment...
2015-01-03 22:05:48,640 - broker - INFO -   X2GOBROKER_DEBUG: True
2015-01-03 22:05:48,640 - broker - INFO -   X2GOBROKER_CONFIG:
/etc/x2go/x2gobroker.conf
2015-01-03 22:05:48,640 - broker - INFO -   X2GOBROKER_AGENT_CMD:
/usr/lib/x2go/x2gobroker-agent
2015-01-03 22:05:48,640 - broker - INFO -
X2GOBROKER_AUTHSERVICE_SOCKET:
/run/x2gobroker/x2gobroker-authservice.socket
2015-01-03 22:05:48,640 - broker - INFO -
X2GOBROKER_DEFAULT_BACKEND: zeroconf
2015-01-03 22:05:48,641 - broker - INFO -   X2GOBROKER_SSL_CERTFILE:
2015-01-03 22:05:48,641 - broker - INFO -   X2GOBROKER_SSL_KEYFILE:
2015-01-03 22:05:48,641 - broker - WARNING - X2Go Session Broker has
been started interactively by user x2go-gast01, better run as user
x2gobroker.
2015-01-03 22:05:48,641 - broker - INFO - Automatically switching to
DEBUG mode due to interactive launch of this application.
usage: x2gobroker [-h] [-C CONFIG_FILE] [-b BIND_ADDRESS] [-d]
x2gobroker: error: unrecognized arguments: --user x2go-gast01 --task
listsessions

- ---
OK
- ---

What am I doing wrong?

- -Stefan

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Re: [X2Go-User] Trying to get X2Go Session Broker to work

2015-01-03 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
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Am 03.01.2015 um 22:10 schrieb Stefan Baur:

 I'm trying to get X2Go Session Broker to work. All x2goserver and
 x2gobroker packages have been installed from the stable repository
 onto a Debian Wheezy server.

And this seems to be he problem.
ssh only works with the version of x2gobroker in heuler (and that's
also why the path is different, it is in /usr/sbin/x2gobroker in main,
and /usr/bin/x2gobroker in heuler).

- -Stefan

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Re: [X2Go-User] Building x2goclient from sources

2015-01-26 Thread Stefan Baur
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Am 26.01.2015 um 19:49 schrieb Short, Kermit:

[lots of trouble compiling]

Kermit, I'm not too sure if you can expect that many qualified replies
to a compile question on x2go-_user_.  Not saying it's off-topic here,
but you might have better luck over on x2go-_dev_, where the diehard
coders hang out. ;-)

To subscribe there, go to

http://lists.x2go.org/listinfo/x2go-dev

- -Stefan

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Re: [X2Go-User] x2go login error

2015-01-19 Thread Stefan Baur
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Am 19.01.2015 um 19:01 schrieb Rance Hall:

 I added the redirector as you suggested.  I was concerned that I
 could not see this output as it contains valuable information, but
 the output is still visible and x2go now connects to this server
 without issue.

That sounds weird.  If the output is redirected, then it should not
show up at all.  Could it be that you have added the line to several
scripts that are run at login?

Here's a snippet of information that might help you find out where to
search, written down by a friend of mine:
- 8start snippet8
Bash will read the following files in the following sequence:
if it is a login shell:
/etc/profile (if present)
afterwards:
(if present) ~/.bash_profile
(else, if present) ~/.bash_login
(else, if present) ~/.profile
- only the first match of these last three will be used, if 
any of
these three files are present.

if bash is an interactive *non*-Login-Shell:
/etc/bash.bashrc
afterwards:
~/.bashrc (if present)

Login-Shells are used by console-tty, ssh, other remote Logins,
sometimes sudo and su.
*non*-Login-Shells are used for the other cases (like xterm, other
X11-Terminal-Clients, and some other caseses of sudo and su).

A classic X-Login will run /etc/X11/Xsession, which in turn checks if
~/.xsession and ~/.xsessionrc are present.  If they are, .xsessionrc
will be sourced, while .xsession will be spawned as a separate process.

- 8 end snippet 8

And if that wasn't already confusing enough, there's more to be found at
https://www.gnu.org/software/bash/manual/html_node/Bash-Startup-Files.html


 Thanks for the suggestion.

You're welcome!  Thank you for choosing X2Go!

- -Stefan

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Re: [X2Go-User] x2go login error

2015-01-19 Thread Stefan Baur
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Am 19.01.2015 um 23:37 schrieb Stefan Baur:
 I added the redirector as you suggested.  I was concerned that
 I could not see this output as it contains valuable
 information, but the output is still visible and x2go now
 connects to this server without issue.
 That sounds weird.  If the output is redirected, then it should
 not show up at all.

Bzzt.  The error is on my side. I actually reversed the parameters.
 21 /dev/null will not make the whole thing go silent.
That's what  /dev/null 21 does.

With  21 /dev/null, STDERR still gets printed.  So you could
simply use  /dev/null for the same effect.

- -Stefan

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Re: [X2Go-User] Full screen mode on client

2015-01-19 Thread Stefan Baur
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Am 19.01.2015 um 13:55 schrieb Mihai Moldovan:
 On 16.01.2015 11:01 PM, Peter Brodsky wrote:
 Let me know if this is a feature, or a bug for which I should
 submit a report.
 
 Running my X2Go client on a Windows 8 machine, I maximized the
 session window (by hitting the little square next to the red X).
 Now I cannot get to anything else on the client.  There's no icon
 available to reduce or minimize the window.  I tried Esc - no
 joy.  Even shutting down the server doesn't help - now I have a
 dead session filling the screen.  The only way to get out is
 Ctrl-Alt-Delete and kill the application.
 
 Have you tried Ctrl - Alt - F or Ctrl - Alt - Shift - F? The 
 documentation states, that this feature is not available on
 Windows, but... who knows.

Uh, I think there are two issues at hand here.
1) @Pete: Alt-Tab should always switch back to the Windows Desktop so
   you don't have to use Ctrl-Alt-Delete.
2) @Mihai: Maximizing a session, when fullscreen hasn't been
   specified in the settings, should not make the top bar disappear.

@Pete: Could you please tell us the values you selected on the first
and third tabs of your session configuration? Also, please specify the
X2GoClient version you're using (Help/About X2GoClient).

- -Stefan

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Re: [X2Go-User] Full screen mode on client

2015-01-19 Thread Stefan Baur
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Am 19.01.2015 um 14:03 schrieb Stefan Baur:
 On 16.01.2015 11:01 PM, Peter Brodsky wrote:

 Running my X2Go client on a Windows 8 machine, I maximized the 
 session window (by hitting the little square next to the red
 X). Now I cannot get to anything else on the client.  There's
 no icon available to reduce or minimize the window.

[...]

 2) @Mihai: Maximizing a session, when fullscreen hasn't been 
 specified in the settings, should not make the top bar disappear.

Guys,

this seems to be an issue. See Bug 670 that has just received an update.

CCing the Bug, so X2Go-Dev gets to see this, too.

@X2Go-Dev/Bug#670:
See http://lists.x2go.org/pipermail/x2go-user/2015-January/002827.html

@X2Go-User:
See http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=670

- -Stefan

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Re: [X2Go-User] x2go login error

2015-01-19 Thread Stefan Baur
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Am 19.01.2015 um 17:25 schrieb Rance Hall:
 My x2go server is my desktop at work and there is a .bashrc that 
 launches keychain and loads my ~/.ssh/id_dsa into the session
 environment.
 
 the terminal gets the following output before the prompt:
 
 * keychain 2.7.1 ~ http://www.funtoo.org * Found existing
 ssh-agent: 1829 * Known ssh key: /home/rhall/.ssh/id_dsa
 
 Then you get a bash prompt.
 
 This output becomes the text of the error message when I try to
 connect to this same box via x2go-client.
 
 The relevant lines in .bashrc are:
 
 /usr/bin/keychain ~/.ssh/id_dsa source ~/.keychain/rhall-sh

Just to make things easier for others trying to debug your issue - you
have an SSH agent named keychain running on the *server*, not on the
client?

If so, I could imagine X2GoClient is getting confused by this output
when it tries to ssh into the server. Do you think you could, for
debug purposes, silence this keychain tool by running it with
 21 /dev/null
(without the quotes) appended to its call?

- -Stefan

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Re: [X2Go-User] Client handling of downed server

2015-01-14 Thread Stefan Baur
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Am 14.01.2015 um 19:01 schrieb Peter Brodsky:
 For example, I mistakenly try to open a session to a (linux)
 server which is not powered up, the (Windows) client simply sits
 and tries. There's no way to cancel.  Clicking on the small round
 on/off button in the session window (the rectangular one that lands
 in the left/blue area) does not take.  I simply have to wait until
 it times out.  Could this not be dealt with more actively?
 Obviously this is a don't do that kind of thing, but it does
 happen.

You could file a wishlist bug for that, and see if one of our
volunteer devs picks up on it, or someone steps up and offers to fix
it for a price.

To do so, send an eMail to sub...@bugs.x2go.org,
subject: something descriptive, like add cancel button for
'connecting' phase,
first two lines of the eMail must be ...
package: x2goclient
severity: wishlist

leave one blank line after that, just like I did here,
then add a description, e.g. you could just copy and paste the
paragraph of your eMail that I quoted above.


 Also, if the server is shut down from the client window (which is
 the case for us because we're effectively headless), then the
 client sort of hangs again.  Trying to kill the active session
 window by clicking the red X in the upper right does nothing.
 Eventually I get a notice that the server is incommunicado and asks
 if I want to terminate th current session. Would be nice if there
 were a cleaner way to handle this.

Well, ordinary users should not be able to shut down the server
remotely.  So for our regular use cases, this isn't an issue.

To shut down the server remotely, assuming you have sufficient
permissions, I would suggest the following script on the server (you
can place a shortcut to it on the desktop if you like), probably best
stored in /usr/local/sbin/ or /usr/local/bin/:

#!/bin/bash
(sleep 10  poweroff) 
disown
x2goterminate-session

If the account you're using for X2Go remoting doesn't have sufficient
permissions to run the poweroff command, I suggest installing sudo (if
not already present) and setting it up in a way that your account may
run poweroff without having to authenticate first.  In that case,
you need to use
sleep 10  sudo poweroff
inside the brackets in the above script.
(Note that I haven't tested this, but this is how it should work)

The sleep 10  poweroff tells your server to wait 10 seconds before
it starts powering down.  The brackets and the ampersand cause the job
to run in the background.  The disown tells your server to keep
executing the backgrounded task even if the session disconnects.  The
x2goterminate-session is basically the suicide command for your
running X2Go session.

- -Stefan

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Re: [X2Go-User] x2go-user Digest, Vol 10, Issue 7

2015-02-11 Thread Stefan Baur
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Am 11.02.2015 um 14:04 schrieb Nigra Truo:
 
 Oh, I forgot to indicate that I want to do this on Linux. On
 Windows, I don't know how that could work and the scripting
 environment is a little sketchy, but I know that there have been
 similar projects under Linux, for ssh and login, but that was a
 long time ago. PamUSB if I recall correctly. Is there something
 like that in X2go? I just remember seeing something in the list of
 features. The idea would be (like in PamUSB it was) that when you
 pull the stick out, the session autocloses.

Linux users and admins (except for those following the false prophets
of systemd) have always believed that unix tools should do one thing
right.

So in your case, to have a session start automatically once a certain
USB flash memory is plugged in, you will probably have to use udev
rules or something similar.

If it's possible to terminate/suspend an x2gosession automatically
once the USB flash memory is removed, I don't know.  But I'd hope that
udev can handle that as well (with some scripting magic).

Also, you might want to ping Heinz (see CC) - I know that from the
very beginning of X2Go, there's been an option to use SmartCards for
authentication and to move a suspended session around between
terminals just by plugging the SmartCard into the new terminal.  I
*think* this method has been expanded to use USB flash memory instead
of SmartCards, but I've never used it myself nor seen it in action, so
asking Heinz is your best bet here.

- -Stefan

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Re: [X2Go-User] Trying to get X2Go Session Broker to work

2015-01-05 Thread Stefan Baur
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Am 05.01.2015 um 11:57 schrieb Mike Gabriel:
 ssh only works with the version of x2gobroker in heuler (and
 that's also why the path is different, it is in
 /usr/sbin/x2gobroker in main, and /usr/bin/x2gobroker in
 heuler).
 
 There actually is a new command for the SSH broker with latest 
 0.0.3.0-preview: /usr/bin/x2gobroker-ssh

/usr/bin/x2gobroker works for me, even with ssh.  What is the
advantage of using the other one?  Also, I can't find
/usr/bin/x2gobroker-ssh on my system.

Installed right now:
ii  python-x2gobroker
0.0.3.0-0x2go1~git20141218.886+wheezy.heuler.1  all  X2Go
Session Broker (Python modules)
ii  x2gobroker
0.0.3.0-0x2go1~git20141218.886+wheezy.heuler.1  all  X2Go
Session Broker (executable)
ii  x2gobroker-agent
0.0.2.3-0~x2go1+wheezy~main~505~build1  i386 X2Go
http(s) based session broker (common files)
ii  x2gobroker-authservice
0.0.3.0-0x2go1~git20141218.886+wheezy.heuler.1  all  X2Go
Session Broker (PAM authentication service)
ii  x2gobroker-daemon
0.0.3.0-0x2go1~git20141218.886+wheezy.heuler.1  all  X2Go
Session Broker (standalone daemon)

When will we see a stable release with the ssh broker included? *nag* ;-)

- -Stefan

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Re: [X2Go-User] [X2Go-Dev] Shifting my focus in X2Go

2015-01-12 Thread Stefan Baur
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Am 11.01.2015 um 08:45 schrieb Heinz-M. Graesing:
 Dear Mike#1,
 
 we really thank you for your contributions, ideas and your help in
 the last 4 years. Thank you for taking the lead and assuming
 command when and where leadership was needed especially when the
 project was lacking it.

[a lot more well-deserved praise]

Dear Mike#1,

Heinz has pretty much already said everything that needed to be said, so
let me just quickly add a +1 on all the things stated in his mail.

In addition to that, you deserve a very special *THANK YOU* from me for
helping me organize the 2014 community event by serving as the project
liaison to the Linuxhotel staff - a duty I was unable to perform myself
due to the time it takes to travel all the way up to Essen from the
South of Germany, and back.

Also, for being the voice of reason and acting as a calm, impartial
mediator whenever discussions became heated to a point that was
detrimental and poisonous to the project.  I hope you will never retire
from this role, though it has never been an official role in the
project. (This actually seems to be a deeply-ingrained personality
trait of yours, so don't you change there, ever, until the day you
die, you hear me? *poke*)

Well, I guess now is the time for you to watch the changing of the
guards, so sit back, relax, and enjoy the show.

/me salutes to Mike#1

To everyone else reading this:

Hi! _o/

After a few months as X2Go's Lead Evangelist, I, Stefan Baur, am now
assuming command of the project as the new Project and Community
Coordinator.  There's this quote from the Spiderman comics/movies that
with great power comes great responsibility, so here's a big THANK
YOU to Mike#1, Heinz, Alex, and the rest of the inner circle for
entrusting me with this role.  It is a huge compliment and I feel
flattered and honored that you unanimously supported the decision.

Heinz-M. Graesing (h1) will be in charge of development coordination,
and we will probably share the role of release manager, at least until
it is filled by someone else - and maybe we will actually make two roles
out of it, that is still to be discussed.

We have quite a few ideas on how to advance the project further, and
will inform you of them shortly.  Please allow for some more time as we
settle in, agree on things, and write them down for everyone to see.
The plan is to have a few additional Wiki pages up soon where you will
be able to read up on what our plans are.  As soon as they are up, their
URLs will be announced on the lists.

Now, before anybody starts to worry (especially if you are - or are
considerung to become - a sponsor) about the results of these changes,
I would like to point out the following two key items:

1) We will continue the project in the spirit of its founders and make
   sure it is at least as actively maintained as it currently is.  In
   fact, there are plans to turn one of our current volunteer
   developers (Mihai ionic Moldovan) into a part-time, paid
   developer, thanks to a generous offer from a sponsor that so far
   wishes to remain anonymous.

2) Also, I would like to mention that X2Go will remain free (F/LOSS,
   GPL), as it has always been.  We *will* try to professionalize a few
   aspects about how the project is *managed*, to make it easier for
   potential sponsors to financially support the project, but we will
   *not* sell out and pull a fast one on you, like certain companies
   did.

Let me close this announcement by stating that even though I have
inherited quite a few responsibilities with my new role, I will not
forget that I also am the X2Go Lead Evangelist, so I will remain
focused on making X2Go more popular.

Stay tuned!

Signed,

Stefan Baur
X2Go Lead Evangelist and now also Project and Community Coordinator
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Re: [X2Go-User] X2GO quick start (?)

2015-01-12 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Am 12.01.2015 um 17:10 schrieb Peter Brodsky:
 Got past the Mint issue (upgraded to 17.1).  Downloaded the server 
 onto that machine, installed the client on my Windows machine. 
 Brought up the interface the latter and - hate to sound like a 
 dummy but...
 
 Now what?
 
 The instructions for installing are good.  But at this point I'm 
 staring at the client interface (I did set the host address and 
 login name) and the cursor is blinking at me in the middle of the 
 big blue square area next to the word Session.
 
 Flame away, but what am I supposed to do now?

If you did indeed set an address and login name (i.e. a session)
correctly, you should see at least one tile on the right side of the
X2GoClient window.  If there are no tiles at all, then something went
wrong during your session setup.

Click on that tile, and the larger part of the window should change
into a user/password login mask (unless you have a ssh private key
file specified or have SSH agent authentication enabled, then it
should sign you right on).

BTW, I am still holding back the E-Mail you sent me off-list, with
your questions regarding X2Go.  As I explained, we do all unpaid
support here in public on the mailing lists, so that others can learn
from it, too.
So if you're okay with seeing your questions on the list, just holler,
and I'll forward your e-mail to the list (and will try to answer it to
the best of my knowledge).

- -Stefan


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Re: [X2Go-User] Windows x2go client, where is the config saved at?

2015-02-10 Thread Stefan Baur
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Am 10.02.2015 um 10:05 schrieb Mike Gabriel:

 I need to wipe the config on a Windows X2go client, but
 deinstalling the client does not erase it. Where is it saved?

 it is in the registry.

*Unless* x2goclient.exe was started with the --portable switch, in
which case it will generate a file named sessions and a file named
settings.


 Check \\HKCU\\ ... Software ... Obviously-Nice ...
 
 Mike (who cannot recall the correct registry path right now)

Pretty close.

\\HKCU\Software\Obviously Nice (with a blank)
and under that, there's x2goclient with a few subfolders.

- -Stefan


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Re: [X2Go-User] Password less login via USB stick?

2015-02-10 Thread Stefan Baur
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Am 11.02.2015 um 03:31 schrieb Nigra Truo:

 does anyone of you know if there is a way to log into a X2go
 session automatically by having an USB key plugged in that contains
 that crypto key to authenticate the session?

Yes and no.
For Windows, you could put the X2GoClient directory on the USB flash
drive, add the ssh private key, and add a small batch file that runs
x2goclient.exe with the --portable option.

The catch is that there is no autorun for USB flash drives (that's a
security feature) in Windows, so your users would have to double-click
on the batch file.

Using a CD/DVD would probably work, as Windows does support autorun
there, IIRC.

Note that a system administrator may change this and e.g. disable
autorun completely, so there's no guarantee that it will work in 100%
of all cases.

- -Stefan

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Re: [X2Go-User] Questions about sessions

2015-03-03 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Am 03.03.2015 um 15:56 schrieb Mihai Moldovan:
 I don't like this, because it's inconvenient if you explicitly
 want to start a new session with the same characteristics. In my 
 opinion, the session list should always be provided if one session 
 (no matter the settings or state) is running on the server.

Middle path (only possible if the behavior is triggered by x2goclient,
not x2goserver): Add a per-session checkbox auto-reattach.  If it is
checked, a matching session will reattach. If it is not checked, it
will present the list, even if a matching session exists.

Make it a priority: wishlist bug if you want. :)

- -Stefan

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Re: [X2Go-User] First Time Woes

2015-04-23 Thread Stefan Baur
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Hash: SHA256

Am 23.04.2015 um 21:47 schrieb Eric Kolotyluk:
 Where do I go from here?

To our http://wiki.x2go.org/doku.php/doc:de-compat?s[]=compatibility
list, which clearly states that Unity on Ubuntu 12.10 and later is not
supported. :-)

(The same page also lists which desktop environments *are* supported.)

- -Stefan

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Re: [X2Go-User] disabling copy/paste in x2go session

2015-04-23 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

Am 23.04.2015 um 23:13 schrieb Ranjith Technomics:
 
 I have installed x2go on one of the servers we are monitoring,
 found that x2go allows copy paste on it's session, this is a threat
 to the data security , how can i disable copy/paste on x2go server,
 waiting for your response , immediate help will be appreciated

At present, this is a client-side setting, not a server-side one.
Also, if someone can view the data, they can take screenshots.  And a
malicious software on the client can send keystrokes pretending to be
the user.  So even if you block copy/paste on the clipboard, there are
still ways to do evil things.  Keep that in mind.

- -Stefan

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Re: [X2Go-User] Setup for classroom

2015-04-22 Thread Stefan Baur
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Am 22.04.2015 um 17:38 schrieb Ulrich Moser:

 is there a documentation for a basic classroom setup? I have not
 found one on the wiki.

There's an actual use case documented here (using Debian Edu):
http://wiki.x2go.org/doku.php/doc:deployment-stories:start

If you have any more specific questions, feel free to ask on the list.

Of course, you can also contact one of the companies offering
commercial support for X2Go. ;-)

- -Stefan


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Re: [X2Go-User] force popup published applications

2015-04-23 Thread Stefan Baur
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 Thanks for your mail. I understand your point with the minimized
 window. But I wanted to present an obvious immediately visible menu
 to our less experienced end-users in order to avoid
 missunderstanding, and minimizing the need for a documentation and
 training in how to start a remote application. In this case I can
 imagine that the command line approach to start a single
 application could be an option. On the other side we also have more
 advanced users, who would use more applications and also wants to
 start a desktop environment. However if there would be a way to
 force the application menu to pop-up uppon connection, would be the
 easyiest way for me.

Well, in that case, you should file a wishlist bug.
Send an e-mail to sub...@bugs.x2go.org

first two lines of your message must look like this:
package: x2goclient
severity: wishlist

Make sure to leave a blank line after these two lines.
Then describe your wish.

After that, you can either:
- - hope that someone will add the feature (no promises re: time frame)
- - submit a patch yourself
- - pay someone to add the feature within a certain time frame

 Thanks for the tip regarding the Linux on Power IBM meeting in
 Zürich, I am considering to visit the event.

You're welcome. :-)

- -Stefan

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Re: [X2Go-User] win x2goclient with broker

2015-04-21 Thread Stefan Baur
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Am 21.04.2015 um 14:34 schrieb swizz ly:

 How to start the windows x2goclient (v4.0.4.0) to connect to an 
 x2gobroker. There is no such option in the gui or in the
 command-line, however, the linux x2goclient has such command-line
 options.

The command line options work on 4.0.3.2 at least, so I would expect
them to work on a 4.0.4.0 nightly build as well, e.g.

- --broker-url=ssh://u...@server.name.here:22/usr/bin/x2gobroker

A full list can be found here:
http://wiki.x2go.org/doku.php/wiki:advanced:x2gobroker:start

If they don't, please file a bug.

See
http://wiki.x2go.org/doku.php/wiki:bugs#reporting_bugs
for an explanation of how to do this.

Now, if they're not *listed* in the output of x2goclient --help,
well - I guess that's another bug. :-)
Here we go: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=851

- -Stefan

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Re: [X2Go-User] Can X2GO do pixel-doubling? (client- or server-side)

2015-04-28 Thread Stefan Baur
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Am 28.04.2015 um 02:49 schrieb Mihai Moldovan:
 Switching the resize mode will give you a 1:1 pixel ratio with 
 viewport maneuvering, again not what you want.

How do you do that?


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Re: [X2Go-User] Connection failing on Ubuntu 12.04 after upgrade

2015-04-28 Thread Stefan Baur
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Am 28.04.2015 um 11:40 schrieb Martyn Welch:
 Hi,
 
 I've been using x2go for a while without any issues on Ubuntu
 12.04. I've just done an update on the box, which updated x2go
 from 4.0.1.16-0~935~ubuntu12.04.1 to 4.0.1.19-0~1064~ubuntu12.04.1
 and the nx libs from 2:3.5.0.27-0~446~ubuntu12.04.1 to 
 2:3.5.0.31-0~605~ubuntu12.04.1. (Packages installed via X2Go
 stable (main) PPA:
 https://launchpad.net/~x2go/+archive/ubuntu/stable)
 
 I no longer seem to be able to connect to the box via x2go. I have
 tried client 4.0.3.2 under Linux and 4.0.2.0 under windows.
 
[...]

 Any help would be greatly appreciated.

Over on the X2Go-Dev mailing list, some messages seemed to indicate
that there's something broken with the build process for X2go's Ubuntu
packages.  I'm not sure if that is the reason for the problems you're
seeing, though.  Hopefully someone more knowledgeable about our Ubuntu
packages will come to your rescue soon.

- -Stefan


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Re: [X2Go-User] Connection failing on Ubuntu 12.04 after upgrade

2015-04-28 Thread Stefan Baur
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Am 28.04.2015 um 11:40 schrieb Martyn Welch:

 Apr 27 17:42:21 RWVM-05B /usr/bin/x2gostartagent: x2gostartagent
 called with options: 800x600 adsl 16m-jpeg-9 unix-kde-depth_32 us 
 auto 1 D UNITY

Oh, wait, here's the issue: You're trying to use UNITY.

http://wiki.x2go.org/doku.php/doc:de-compat

states:

UNITY

Ubuntu 12.04: Compatible, as long as package “unity-2d” is
installed. By default with “Ubuntu Desktop”, it is.
Ubuntu 12.10 and later (including 14.04): Not compatible

So you will have to switch to one of the Desktop Environments listed
as Supported on that page.

- -Stefan

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Re: [X2Go-User] Newbie question: What is x2go's relationship to VcXsrv?

2015-05-11 Thread Stefan Baur
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Am 11.05.2015 um 10:56 schrieb David Aldrich:

 I use VcXsrv and have just come across x2go.

 Please will someone explain if there is any relationship between
 x2go and VcXsrv?

Plain VcXsrv is just that - a plain X server for Windows, that you can
use with any SSH client that supports X forwarding, no change on the
Unix machine required.

For X2Go, you need to install the X2Go server packages on your Unix
(currently: only Linux) machine, else you will be unable to connect to
it using X2GoClient.

X2GoClient for Windows ships with a patched/forked version of VcXsrv,
kindly maintained by Mike DePaulo, informally known on this list as
Mike#2.


 Why might I want to use x2go instead of VcXsrv?

For learning about the advantages of X2Go, I would like to suggest you
visit our Wiki page for beginners:
http://wiki.x2go.org/doku.php/doc:newtox2go


Kind Regards,
Stefan Baur

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Re: [X2Go-User] X2Go Client: Where to put RSA key for auto login on Windows

2015-05-13 Thread Stefan Baur
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Am 13.05.2015 um 14:28 schrieb Schmid Andreas:

 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.)
 
 If you do not specify a key file, and wish to use auto-login, you
 need to load the key into an SSH agent like Pageant.exe from the
 PuTTY suite before starting X2GoClient (or actually, before
 double-clicking on the session tile).
 
 Okay, so it's not as easy as I hoped. I think I'll keep specifying
 the key file then, as it's a very simple solution.

What's so not easy with pageant? *headscratch*

Put a shortcut to pageant in the autostart folder, and in the settings
menu, tell it where to find the user's *.ppk file (you can use
variables like %userprofile%), all done.
If the keyfile has a password set, the popup appears, if not, the key
is loaded.

Using pageant is actually very elegant, as you will have your key
available for all things ssh, i.e. WinSCP, PuTTY, X2Go, ... and only
have to specify it in one single location.

- -Stefan

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Re: [X2Go-User] X2Go Client: Where to put RSA key for auto login on Windows

2015-05-13 Thread Stefan Baur
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Am 13.05.2015 um 17:58 schrieb Schmid Andreas:

 Well, the reason is simply that I cannot install software on our
 machines myself. Therefore I want to install as little software on
 those machines as possible, as for every piece of software I have
 to go through the installation steps with our IT department. They
 for sure would install pageant as well, but it's just easier for
 all of us if there's just one .exe to execute, rather than two of
 them. And we probably won't run PuTTY etc. on those machines.

Wll, there's no need to install anything at all.  While both
X2GoClient and PuTTY come with installers, you can also just copy all
the files to a directory of your choice (say, a network share) and
start them from there.

You could, for example, install X2GoClient on a test machine, then copy
the contents of C:\Program Files\x2goclient (or whatever you picked as
destination) to a network share, say, \\server\share\x2goclient, drop
pageant.exe from PuTTY in there as well, and add a little batch file
that runs pageant, adds the key, waits a few seconds, then runs
x2goclient.

That way, all you have to roll out is a shortcut (*.lnk) file pointing
to the batch file on \\server\share\x2goclient.  No client-side
installation at all.

Of course, you could also try to use %userprofile% in the ssh keyfile
path within the session config, but I've never tried if that works as
intended, so no promises.

- -Stefan

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Re: [X2Go-User] desktop freezes when connection lost

2015-06-08 Thread Stefan Baur
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Am 08.06.2015 um 14:42 schrieb Neal Becker:
 Love x2go, but one significant annoyance.
 
 If I sleep my client without first shutting down x2go, then when it
 wakes, desktop is unresponsive until x2go timesout, and asks
 whether to terminate.
 
 I don't know what x2go is doing that freezes desktop, but I don't
 think this should happen.


Wild guess: It's hogging CPU and/or Network resources, as by
suspending and resuming, you basically yanked the wire between
server and client.  So while the server will declare the connection
timed out, the client tries to re-send data/tries to re-establish a
connection for some time.
Maybe one of the devs can shed more light on it; if you don't get a
satisfactory response on this list, you could also try to subscribe to
X2Go-Dev and re-post your question there.

- -Stefan

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Re: [X2Go-User] Use X2Go on ThinClient

2015-06-03 Thread Stefan Baur
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Am 03.06.2015 um 16:18 schrieb Jeffrey Zheng:

 How can I use X2Go on ThinClient to remotely connect to a Linux
 box? My ThinClient is IGEL UD3-130 LX.

Basically, there are two options for ThinClients, regardless of
manufacturer:

- - Booting a minimal image from local storage (internal or external)
- - Booting via PXE

Googling around, it seems that at least some IGELs can boot via PXE.

As of now, there is no X2GoClient for IGEL's own Linux distribution
that is installed on their ThinClients, at least as far as I know.

So I would recommend attempting to boot via PXE first, then via USB
media, if that is possible.

All other approaches would be hacky - trying to add X2GoClient to
the IGEL's own Linux, or entirely replacing their Linux with a custom
built one.

- -Stefan

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Re: [X2Go-User] Kerberos and X@Go Mac Client

2015-06-03 Thread Stefan Baur
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Am 03.06.2015 um 16:30 schrieb David Ritch:
 Is this the right forum for a question like this?  If not, could
 someone direct me to a better one?

Well, this is a mailing list, not a forum, but aside from that, you're
not exactly wrong here. ;-)

My guess is that there aren't that many people using X2Go with
Kerberos, that's why you're not seeing a reply.

You could also try our IRC channel, or pay one of the core developers
to help you, they are available for consultancy gigs.

- -Stefan

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Re: [X2Go-User] I can't find x2godesktopsharing

2015-06-23 Thread Stefan Baur
Am 23.06.2015 um 21:28 schrieb Jim Lynch:
 I am running Mint 17 (Ubuntu 14.04 derivative) and installed sudo
 add-apt-repository ppa:x2go/stable
 
 and per instructions:
 
 sudo aptitude install x2godeskstopsharing
 
 Couldn't find any package whose name or description matched 
 x2godeskstopsharing
 
 So I downloaded 
 http://code.x2go.org/releases/source/x2goserver/x2goserver-4.0.1.19.tar.gz

  and I don't find a trace of x2godeskstopsharing in the source
 code.
 
 What am I missing?

A spellchecker, maybe? ;-)

x2godeskstopsharing
x2godesktopsharing

See the difference?

It's a package for desktop sharing, not for desk, stop sharing ;-)

Kind Regards,
Stefan

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Re: [X2Go-User] x2go not working with fedora f22 kde?

2015-05-28 Thread Stefan Baur
-BEGIN PGP SIGNED MESSAGE-
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Am 28.05.2015 um 21:33 schrieb Neal Becker:
 Stefan Baur wrote:
 
 -BEGIN PGP SIGNED MESSAGE- Hash: SHA256
 
 Am 28.05.2015 um 20:23 schrieb Neal Becker:
 I just updated server to f22 (actually, clean install of OS).
 When I try to start x2go client (from fedora f21), I get don't
 seem to get any kde desktop.
 
 That is to be expected, I'd say.
 
 See: http://wiki.x2go.org/doku.php/doc:de-compat
 
 Fedora 22 ships with KDE 5.
 
 So you will have to switch to a different desktop environment. 
 IIRC, there were some more quirks with F22, but I'm not a
 Fedorian myself, so let's see if someone else chimes in and
 explains (or proves my memory wrong).
 
 - -Stefan
 
 
 OK, lxde is working.  gnome doesn't work either.

Again, that is expected behavior, see the link I posted in my previous
message (you even quote it above) for the options you have.

- -Stefan


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Re: [X2Go-User] x2go not working with fedora f22 kde?

2015-05-28 Thread Stefan Baur
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Am 28.05.2015 um 20:23 schrieb Neal Becker:
 I just updated server to f22 (actually, clean install of OS).  When
 I try to start x2go client (from fedora f21), I get don't seem to
 get any kde desktop.

That is to be expected, I'd say.

See: http://wiki.x2go.org/doku.php/doc:de-compat

Fedora 22 ships with KDE 5.

So you will have to switch to a different desktop environment.
IIRC, there were some more quirks with F22, but I'm not a Fedorian
myself, so let's see if someone else chimes in and explains (or proves
my memory wrong).

- -Stefan

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Re: [X2Go-User] [INTERNET] Re: x2gobroker resume session

2015-06-01 Thread Stefan Baur
Bonjour, Franck!

Tu as écrit:

 I'm very happy to see your message !! I test it for 10 days and
 can't see the resume function working properly.

Well, the fact is, most of the people on this list are currently
pretty busy.  So apologies for the delay, but paid work takes priority.


 I connect on the broker with this command : x2goclient 
 --borker-url=ssh://10.0.0.XXX/usr/bin/x2gobroker The server run
 xfce desktop
 
 When I launch the command i Never see the box which permit to
 choose resum/supend/or create a new session.

 Why ?

This hints at an incomplete setup of your broker.
Installing the packages is not enough, there are a few commands like
x2go-keygen and x2gobroker-pubkeyauthorizer that you will have to run
manually, with the proper parameters for your setup in place.

Here are some hints where to look if you want to do it on your own:

man x2gobroker-pubkeyauthorizer

man x2gobroker-keygen

http://wiki.x2go.org/doku.php/doc:installation:x2gobroker#x2go_session_broker_agent

http://wiki.x2go.org/doku.php/wiki:advanced:x2gobroker:loadbalancing

Of course, as Mike#1 already pointed out, commercial support is
available, if you have a budget for it.  Expect an hourly rate of 110
EUR (+value added tax) and about 1-2 hours of work required to get
things set up and explained to you.

Feel free to contact me off-list if you're interested in that. :-)

Cordialement,
Stefan

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Re: [X2Go-User] x2goserver on Ubuntu Mate 15.04 with 4k monitor and high font-rendering DPI

2015-05-21 Thread Stefan Baur
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Am 21.05.2015 um 20:05 schrieb Simon Baev:
 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?

There's a setting in the X2GoClient GUI to force a DPI value, doesn't
that work for you?  If no, why?

- -Stefan


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Re: [X2Go-User] X2Go Client: Where to put RSA key for auto login on Windows

2015-05-21 Thread Stefan Baur
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Am 21.05.2015 um 15:48 schrieb Schmid Andreas:
 What I'm working on right now is finding the best way to provide
 pre-defined sessions to our users. I probably got one more
 question, will ask in a new thread.

Then you will want to take a look at the session broker on the server
side.  Of course, a poor man's broker using a session config file on
a read-only network share could also be used, as long as your users
are always connected to the LAN (this will work via VPN, too, just not
when all you have is an SSH connect to your server/firewall).

Since you're talking of your users, I'm assuming a commercial setup
on your side, so I hope you don't mind if I point out that there are
several companies offering commercial support for X2Go, mine being one
of them. ;-)

One-time paid consultancy work for getting things set up is available,
just like support contracts with guaranteed response times.
Obviously, paid support is also available in German.

Feel free to contact me off-list for details.

- -Stefan

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Re: [X2Go-User] The remote proxy closed the connection while negotiating the session.

2015-05-21 Thread Stefan Baur
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Am 21.05.2015 um 19:11 schrieb Kjetil Fleten:
 
 But it seems like the update command don't fetch the
 x2go-repository at all.
 
 Anyone that has ideas to resolve this ?

What's the content of /etc/apt/sources.list and
/etc/apt/sources.list.d/* ?

- -Stefan

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Re: [X2Go-User] The remote proxy closed the connection while negotiating the session.

2015-05-21 Thread Stefan Baur
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Am 21.05.2015 um 19:23 schrieb Kjetil Fleten:

 /etc/apt/sources.list.d/* ?
 
 libreoffice-libreoffice-4-3-precise.list
 x2go-ppa-precise.list.save 
 libreoffice-libreoffice-4-3-precise.list.save
 x2go-stable-precise.list x2go-ppa-precise.list
 x2go-stable-precise.list.save

The content of the files beginning with x2go would be interesting ...
also, the output of sudo apt-get update.

- -Stefan

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Re: [X2Go-User] No Mate desktop?

2015-08-19 Thread Stefan Baur
Uh, Robert,

he's already running Mate on the server. He can't select the entry
MATE on the *client*, most likely because he's running an
out-of-date version of the client, from before Mate support was added.

-Stefan

Am 19.08.2015 um 18:30 schrieb Robert Dinse:
 
 You need to install Mate on the Debian server, it does not come 
 pre-installed.  Mint, a Debian fork does have a spin (Mint-Mate)
 with Mate pre-installed but they've crippled so much of the OS that
 I wouldn't recommend it.
 
 Install Mate on your existing Debian server, it's about a 10
 second operation:
 
 
 https://packages.debian.org/wheezy-backports/mate-desktop-environment

  
 -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-

  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.
 
 On Wed, 19 Aug 2015, Tad Bak wrote:
 
 Date: Wed, 19 Aug 2015 05:33:24 + From: Tad Bak
 t@uws.edu.au To: x2go-user@lists.x2go.org
 x2go-user@lists.x2go.org Subject: [X2Go-User] No Mate desktop?
 
 Hi,
 
 I have just succesfully installed x2go 4.0.1.19, both server and 
 client are Debian Linux machines. According to the documentation
 Mate (which I run on server) is fully supported, however the
 drop-down field Session Type on client has no Mate entry. How can
 choose it?
 
 Thanks, Tad ___ 
 x2go-user mailing list x2go-user@lists.x2go.org 
 http://lists.x2go.org/listinfo/x2go-user
 
 ___ x2go-user mailing
 list x2go-user@lists.x2go.org 
 http://lists.x2go.org/listinfo/x2go-user


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Re: [X2Go-User] Questions regarding mate/video quailty

2015-08-24 Thread Stefan Baur
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Am 23.08.2015 um 23:43 schrieb Harald Heigl:

 2) After installing mate on the server, I didn't see an option
 mate on the client (4.0.1), only gnome, kde, lxde, xfce, so I
 choose other desktop (don't know if it's called exactly so, cause
 I have a german interface) and mate-session as parameter. Is this
 the correct way to use mate?

That's because you are using a severely outdated client.
Current client version is 4.0.5.0, please update to that version.

Kind Regards,
Stefan


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Re: [X2Go-User] X2Go on multiple screen Windows system

2015-08-20 Thread Stefan Baur
Am 20.08.2015 um 16:47 schrieb Rob Janssen:
 I see nothing about these problems in the documentation, do other
 users see those issues and/or is there something
 
 I am missing and can use as a workaround?

*We* are missing the version number of the X2GoClient that you are
using. ;-)

There have been a few multi-screen related fixes in the more recent
releases, so you should make sure you use the current release:

http://code.x2go.org/releases/binary-win32/x2goclient/releases/4.0.5.0-2015.07.31/x2goclient-4.0.5.0-2015.07.31-setup.exe

If the problem persists even with the latest release, please file a
bug report: http://wiki.x2go.org/doku.php/wiki:bugs#reporting_bugs


-Stefan

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Re: [X2Go-User] PXE x2go questions

2015-08-20 Thread Stefan Baur
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Am 20.08.2015 um 17:34 schrieb Luciano Gabriel Andino:
 Hello, I'm using PXE thinclient in a gigabit LAN for a GNU/Linux
 KDE session. I have a two questions/issues:
 
 1) Which is the best compression method? There are a lot of
 alternatives like 4k-png, which one may I choose? and may I use
 the LAN option?

This is a question like which is the best OS, which is the best
Desktop Environment, which is the best editor, which religion
should I follow.

If you want to start fine-tuning in that area, you will have to run
tests on your particular setup.  There is no way to make a general
recommendation, as it not only depends on the network speed, but also
on congestion, latency, jitter, ... - and last but not least, what you
intend to use X2Go for.

Of course you may use the LAN option, there's no law against it. ;-)
However, modifying that setting influences the behavior of the
underlying NX code, and thus has an impact on performance as well.
So, just with the compression methods, if you want to change the
default setting, you will have to do some test runs to find the best
setting for your environment.

For my personal use, home network, it turns out that setting it to
WAN works best - but that is the result of trial and error.

 2) sometimes the Shutdown system button in thinclient, doesn't
 work. I press it but nothing happens.

Clicking that button merely creates a file.  The presence of that file
*should* be detected by, I think, x2gothinclientd, which triggers the
shutdown upon detecting it.
So, it seems that x2gothinclientd or some related task isn't always
running in your installation. Maybe an out of memory issue?

- -Stefan
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Re: [X2Go-User] x2go on RHEL7/CentOS7

2015-08-05 Thread Stefan Baur
Am 05.08.2015 um 19:54 schrieb Paul Raines:
 So far we have not discovered
 
 1) doesn't work at all with GNOME desktop giving the Oops
 screen. Web search seems to imply this is a known issue with
 GNOME3 with no real solution though I am suprised this is not 
 mentioned in the X2Go wiki FAQ.

Um?  First hit when you type Gnome in the wiki's search bar is

http://wiki.x2go.org/doku.php/doc:de-compat?s[]=gnome

And subsection
http://wiki.x2go.org/doku.php/doc:de-compat?s[]=gnome#compatibility_and_workarounds_depend_on_what_version
explains which versions of Gnome X2Go is compatible with.

Where were you looking for the information?

Kind Regards,
Stefan

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Re: [X2Go-User] x2go on RHEL7/CentOS7

2015-08-05 Thread Stefan Baur
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Am 05.08.2015 um 20:35 schrieb Robert Dinse:

 I'm not sure if it's Mate or X2Go but when I first installed both 
 X2Go and Mate on CentOS7 and tested, all was good.
 
 Now it's broken for me also but somewhat differently.  When I 
 logout it just hangs with the background image that I used on my
 desktop.  So I use control-alt-M to and then click on the white
 seal or whatever that animal is, and then when I get the start-up
 screen back, I select terminate to terminate the session.
 
 Now I tried the same thing on Scientific Linux 7, which like 
 Centos7 is derived from Enterprise Linux 7, and it still works
 correctly, so whatever is broken isn't X2Go or Mate, but rather
 something specific to CentOS 7.

Robert, I think this is an issue that you should raise over on
X2Go-Dev, or file a bug for it.  Even if CentOS is at fault, it's more
likely to catch the attention of the developers over there, and
reporting it as a bug makes sure it doesn't get lost as time goes on.

- -Stefan

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[X2Go-User] Fwd: Re: x2go on RHEL7/CentOS7

2015-08-05 Thread Stefan Baur
Forwarding this to the bug reported by Robert Dinse, in case it is of
help there.


 Weitergeleitete Nachricht 
Betreff: Re: [X2Go-User] x2go on RHEL7/CentOS7
Datum: Wed, 5 Aug 2015 15:54:30 -0400 (EDT)
Von: Paul Raines rai...@nmr.mgh.harvard.edu
An: Robert Dinse nan...@eskimo.com
Kopie (CC): x2go-user@lists.x2go.org


Doing Ctrl-Alt-T to terminate in the windows client will make the windows
close but doesn't clean up the session on the server.  Reconnecting
still just
connects you to a empty background screen.

Doing a logout on the MATE desktop locally works just fine.

I am testing on pretty freshly installed and updated server and on a new
user
where I first wiped out all settings by removing all dot files/directories

This is what is still running on the server as the user after trying
to logout over X2Go

applet.py€€€{applet.py}

at-spi-bus-laun€ˆ€dbus-daemon
 „€3*[{at-spi-bus-laun}]

at-spi2-registr€€€{at-spi2-registr}

dbus-daemon

dbus-launch

dconf-service€€€2*[{dconf-service}]

goa-daemon€€€3*[{goa-daemon}]

goa-identity-se€€€2*[{goa-identity-se}]

gvfs-afc-volume€€€2*[{gvfs-afc-volume}]

gvfs-goa-volume€€€{gvfs-goa-volume}

gvfs-gphoto2-vo€€€{gvfs-gphoto2-vo}

gvfs-mtp-volume€€€{gvfs-mtp-volume}

gvfs-udisks2-vo€€€2*[{gvfs-udisks2-vo}]

gvfsd€€€{gvfsd}

gvfsd-fuse€€€4*[{gvfsd-fuse}]

gvfsd-metadata€€€{gvfsd-metadata}

gvfsd-trash€€€3*[{gvfsd-trash}]

mate-screensave€€€3*[{mate-screensave}]

mate-volume-con€€€{mate-volume-con}

nm-applet€€€2*[{nm-applet}]

polkit-mate-aut€€€{polkit-mate-aut}

pulseaudio€€€{pulseaudio}

x2goagent

x2goruncommand


-- Paul Raines (http://help.nmr.mgh.harvard.edu)



On Wed, 5 Aug 2015 2:35pm, Robert Dinse wrote:


 On Wed, 5 Aug 2015, Paul Raines wrote:

  We have been using x2go fairly successful on CentOS6 machines now
  for a while.  We are investigating upgrading to CentOS7 and I
  am now looking at the x2go situation

  We get our x2go RPMS from EPEL

  x2goagent-3.5.0.31-1.el7.x86_64
  x2goclient-4.0.3.1-1.el7.x86_64
  x2goserver-4.0.1.19-3.el7.x86_64
  x2godesktopsharing-3.1.1.1-1.el7.x86_64

  So far we have not discovered

   1) doesn't work at all with GNOME desktop giving the Oops screen.
   Web search seems to imply this is a known issue with GNOME3
   with no real solution though I am suprised this is not
   mentioned in the X2Go wiki FAQ.  I hate GNOME3 anyway so
   can live without it for X2Go

   2) works partially with the KDE desktop. There is the kscreen
   issue that is mentioned in the FAQ.  Really unusable unless
   one does disable kscreen.  Need to investigate further what
   consequences that has on normal logins.

   3) installed MATE from EPEL.  On first login it looks and works great
   but when you Logout ... to terminate the session it just hangs
   on a blank background.  If you suspend the session via force
   closing the window and then try to reconnect it fails or just
   takes you right back to the blank background.  One can force
   terminate the session with x2goterminate-session to clear it out
   and then get a clean login again, but I don't really want my
   users having to go though this.

  So my question is really about the MATE issue which I would prefer to use.
  Anyone have any clues as to what might be going on or a fix?

 I'm not sure if it's Mate or X2Go but when I first installed both X2Go 
 and
 Mate on CentOS7 and tested, all was good.

 Now it's broken for me also but somewhat differently.  When I logout it
 just hangs with the background image that I used on my desktop.  So I use
 control-alt-M to and then click on the white seal or whatever that animal is,
 and then when I get the start-up screen back, I select terminate to terminate
 the session.

 Now I tried the same thing on Scientific Linux 7, which like Centos7 is
 derived from Enterprise Linux 7, and it still works correctly, so whatever is
 broken isn't X2Go or Mate, but rather something specific to CentOS 7.







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Re: [X2Go-User] x2go on RHEL7/CentOS7

2015-08-05 Thread Stefan Baur
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Am 05.08.2015 um 22:58 schrieb Paul Raines:
 
 I don't understand why there is a difference between doing that and
 doing Ctrl-Alt-T

IIRC, there's something broken with that, but I don't remember the
details.
Might be related to Bug 510.
http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=510

- -Stefan

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Re: [X2Go-User] GSSAPI authentication bug (?)

2015-08-06 Thread Stefan Baur
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Am 06.08.2015 um 14:22 schrieb Lukas Koschmieder:
 This seems to be a bug. Is there another way/workaround to fix this
 problem?

Hi,

Please report this bug to our bugtracker, so our developers can take a
look at it.

See http://wiki.x2go.org/doku.php/wiki:bugs#reporting_bugs for how to
report bugs against X2Go.

In your case, please use
Package: x2goclient
Version: the 4-digit Version number of the X2GoClient you are using

Kind Regards,
Stefan Baur

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Re: [X2Go-User] where are settings stored on Windows

2015-07-16 Thread Stefan Baur
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Am 15.07.2015 um 22:40 schrieb Paul Raines:

Please do what Mike DePaulo suggested.

Also, a few notes, remarks, and questions from me:


 We did a profile migration between domains on the user's files and
 after that was done x2go stopped working.

Does this new domain have a lot of groups?
Does X2Go work for new users there?
We recently saw an issue where having a large number of groups (no
matter whether the user was a member of them or not) caused a
significant delay during the login phase.
This issue has been identified and fixed, however, I would have to
check with Mihai Moldovan if those fixes are already part of a release.


 [...]  Whe she tries to start a session it just hangs forever on
 status connecting with no text in the log/debug window.

Did you wait maybe 5 minutes, or do you have a shorter definition of
forever? ;-)

The issue described above caused a delay of maybe 3 minutes for that
particular user, though that heavily depends on the number of groups
involved, so it might take even longer for you.


 If you go into edit sessions several buttons are grayed out include
 delete so we cannot delete the old sessions.  If I make a new
 session it still does not work.

This, however, sounds like the user doesn't have the proper access
rights on the registry tree mentioned by Mike DePaulo.

Also, note that you can run x2goclient.exe with the parameter
- --portable, and it will create a sessions file just like on OS X and
Linux.

BTW, nice to see that Harvard is using X2Go.  Care to tell us a little
bit about how you're using it?  We have a wiki page for success
stories, and being able to mention Harvard there would be absolutely
fantastic. :-)

Kind Regards,
Stefan


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Re: [X2Go-User] Presentation

2015-07-18 Thread Stefan Baur
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Am 12.04.2015 um 03:17 schrieb Nigra Truo:

 the presentation that I had here in Silicon Valley about X2go went
 well, I have the slides in English, in case anybody is interested.

Sorry for not getting back to you sooner - huge backlog of
unread/unanswered mails on my side, sadly. :(

Of course we'd be interested to host your slides on the X2Go Wiki,
either as PDF or in some more open format like OpenOffice/LibreOffice
Impress.
This requires all content to be licensed under a suitable free
license, though, as Mihai already explained.  So if you have some
non-free background images, for example, please remove them or
exchange them with free content.

Also, if you have an actual business/research/... use case for X2Go
and aren't merely a hobbyist user, remember that we love to publish
your success story on the X2Go Wiki.

Kind Regards,
Stefan Baur

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Re: [X2Go-User] where are settings stored on Windows

2015-07-18 Thread Stefan Baur
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Am 17.07.2015 um 00:46 schrieb Paul Raines:

 We deleted the registry key and that wiped all the sessions we had 
 defined. But the UI issue continues.  We create a new session. Then
 go to the Session Managment dialog and all buttons are greyed out
 but the top one to create new sessions even after selecting the
 session on the left.  We can double click on the session on the
 left to edit.  So the only thing we cannot do someway or other is
 delete (well, beside wiping out everything in the registry key).
 
 This could have been the case even before the profile migration and
 we just didn't notice before.  So that might be a red herring.
 
 Anyway, the user has no need to delete sessions at this time so is
 fine with the way things are now.

This still sounds rather weird.  Could you please create a new user
account in the same domain and check if that account experiences the
same issues?

- -Stefan

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Re: [X2Go-User] Error resuming x2go published applications session from a different machine

2015-07-18 Thread Stefan Baur
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Am 17.06.2015 um 16:59 schrieb Prasad Annadata:
 I use two different client machines (both run ubuntu, one is 32 bit
 and one is 64 bit if that matters). X2goserver is running on a 32
 bit ubuntu machine.  I am trying to connect from client-1 an x2go
 published application session, suspend it and resume the same
 session from a client-2.  I keep getting the following error.
 
 Failed to restore all the required screen depths.
 
 Can't resume the NX session on this display.
 
 
 I looked up the error, but I am not able to find a recent
 discussion on this error and suggested work-arounds involve giving
 up on the session and creating a new session, which beats my
 original purpose.
 
 
 I have verified that both client machines run at 24 bit color
 depth.

Hi,

there's a similar and thus possibly related issue here:

http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=891

Since this involves a Windows client, the fix listed there probably
won't help you, but maybe you tried connecting with a Windows client
first and thus got your session into that state?

If you're sure that there's no Windows client involved, please run

xdpyinfo

locally on each client, and also inside a newly created X2Go session,
and let us know the output of all three invocations.


- -Stefan

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Re: [X2Go-User] where are settings stored on Windows

2015-07-20 Thread Stefan Baur
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Am 20.07.2015 um 22:40 schrieb Paul Raines:
 
 After logging in as a new user on the machine and starting X2Go
 client, we did not see the problem with the always greyed out
 delete button in Session Management.

That sure sounds like something went belly-up during your domain
migration of the user you saw the issue with.

You might want to check with your domain admins for
a) Group Policy settings that differ between those two accounts
b) Permissions/Ownerships *of the registry entries* for X2Go.

Also, with the affected user, try running x2goclient.exe --portable so
it creates a sessions file instead of using the registry - would be
interesting to see if the items remain greyed out even in portable mode.

Kind Regards,
Stefan

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Re: [X2Go-User] X2GoClient and AltGr-key on Windows

2015-11-16 Thread Stefan Baur
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Am 15.11.2015 um 15:16 schrieb Michael Nicolai-Deutschmann:

> X2GoClient v.4.0.5.0 (Qt - 4.8.6) on Windows 7 (German keyboard) 
> Keyboard settings: Modell: pc105   Tastaturlayout:de   Variante:de
> 
> 
> My problem is that the AltGr-key is not working. Whatever settings
> I choose for the keyboard, pressing AltGr++ will result in "+"
> instead of "~". Same goes for "|", "@", etc. I am pretty sure it's
> no problem with the server because running a KDE editor (Kate) or a
> XTerminal in the console window my Webhost provider offers works
> fine: pressing AltGr++ and Space gives me the tilde "~" symbol. So,
> I assume the X2GoClient software does not send the correct keycode
> to the server.
> 
> I have searched the web for hours to find a solution for this
> problem but to no avail. :-(
> 
> Thanks for your support.

X2GoClient is working just fine for me with the same Client OS and
operating-system-side keyboard settings.

To narrow down your issue, please let us know the exact version of
Windows 7 that you are using (i.e. are you using an English-Language
version with only the keyboard set to German, maybe?), ALL of your
language- and region-related settings in Windows, not only the
keyboard setting, and ALSO the keyboard setting you picked inside your
X2GoClient session configuration (Screenshots of each would be great).

Kind Regards,
Stefan Baur

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Re: [X2Go-User] Keyboard issues

2015-10-30 Thread Stefan Baur
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Am 30.10.2015 um 16:28 schrieb Vicker, Darby (JSC-EG311):
> I'm guessing I could automate loading the xmodmap file somehow but
> its not immediately obvious to me how to detect that the login is
> under x2go and not a native login.  Any thoughts on that would be
> appreciated.

Hmm, I think we have a place for autorunning scripts ... let's see if
one of the Devs chimes in.


> And longer term, it would be great if the x2go developers could
> make this independent of the user's shell.  But please don't take
> that as a complaint - I do very much appreciate having the
> capability x2go provides!

Of course, if you want to accellerate feature development, and aren't
skilled at coding to do it yourself, there's always the option of
sponsoring the feature with some $$$. :-)

If you or your department have a budget for that, let us know, and we
will provide you with a quote. :-)

Kind Regards,
Stefan


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Re: [X2Go-User] Keyboard issues

2015-10-30 Thread Stefan Baur
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Am 30.10.2015 um 16:28 schrieb Vicker, Darby (JSC-EG311):
> I'm guessing I could automate loading the xmodmap file somehow but
> its not immediately obvious to me how to detect that the login is
> under x2go and not a native login.  Any thoughts on that would be
> appreciated.

In a bash script, you could use
if [ $(echo $DISPLAY | awk -F':' '{ print $2 }') -ge 50 ] ; then
echo "Very likely an X2Go session" ;
fi

- -Stefan

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Re: [X2Go-User] X2GoServer on New Ubuntu 15.04

2015-10-18 Thread Stefan Baur
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Am 18.10.2015 um 21:45 schrieb Robert Dinse:

> My client periodically tells me no response from the remote server
> and disconnects.  I simultaneously have the same workstation with
> x2go clients connected to other servers, including other Ubuntu
> 15.04 servers, at the same location and they do not randomly
> disconnect.
> 
> The server is not heavily loaded, the responsivenes is good.

When it disconnects, are you able to resume the session, or is it
terminated and you have to start a new one?

Is that server in a different network segment than the others?

Can you rule out routing/network issues between client and server?
(Simple test: run a continuous ping, look for package loss when one of
those undesired disconnects happens.)

- -Stefan

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Re: [X2Go-User] Random Disconnects

2015-10-20 Thread Stefan Baur
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Am 20.10.2015 um 21:18 schrieb Robert Dinse:
> I have discovered another factor, this only happens when I have 
> multiple x2go clients connected to different hosts up
> simultaneously.  One machine I left up all night and it stayed up,
> then I brought another machine up today, and within minutes the
> previous machine disconnected and has disconnected several times
> since.

Aaah yes, that sounds familiar.
IIRC, PyHoCa doesn't show that behavior.
Mihai *should* fix that in X2GoClient, but we have no ETA on it yet. :-/

Kind Regards,
Stefan

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Re: [X2Go-User] Disabling sound

2015-08-26 Thread Stefan Baur
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Am 26.08.2015 um 21:23 schrieb Troels Arvin:
 Hello,
 
 Setup: RHEL 7 server with x2goserver 4.0.1.19-3.el7.
 
 The server's syslog is receiving heaps of messages like this: Aug
 26 20:38:03 servername pulseaudio[11023]: [pulseaudio] main.c:
 User- configured server at localhost:30004, refusing to
 start/autospawn
 
 There's no need to support audio in this setup. So: Can I
 server-side configure x2go to completely disable sound?

You could use the session broker to deliver a session config to your
users that has sound disabled.

Of course, that doesn't keep anyone from manually configuring a
session and ticking that box again.

- -Stefan

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Re: [X2Go-User] question on linux terminal server publised application

2015-09-26 Thread Stefan Baur
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Am 26.09.2015 um 03:12 schrieb Trevor Davis:
> Hello ... I would like to know if it's possible to connect to the
> broker and have someone launch a linux published application
> without having to install any type of x2go client (web client or
> local client).  Maybe via HTML5 or ideally Java or something else
> which will run the application in a seamless window.

No, we currently have no HTML5 or Java Client.
And I'm seriously hoping we will never have a Java Client, as HTML5 is
the way to go here.

A HTML5 client is something that is repeatedly requested, but no one
wants to tackle that in their free time, and when people hear the cost
estimates for professional development, they back down again and
declare that it's "just not that important" to them any more.  Been
there, done that, more than just once.

You do not have to install X2GoClient, though - you can grab the
installation directory from one machine where you installed it and
copy it over ot another, or put it somewhere on your LAN.

Kind Regards,
Stefan


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Re: [X2Go-User] Some basics questions

2015-09-29 Thread Stefan Baur
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Am 29.09.2015 um 15:51 schrieb Alain Aupeix:
> Hi,
> 
> After some try, and a few problems, I made my connections possible,
> but I have some questions:
> 
> 1) On the machine where I install ssh, I always disable, for
> security reason, the possibility to connect using the user
> password. After some unsuccessfull tries, I saw that to be able to
> connect, I must enable the connection with the password (on server
> side).
> 
> Is-it normal ? I don't like a simple password protection. I prefer 
> public key.

No, you can use Public Key authentication, either with or without an
additional password on top, and either via a specified key file or via
SSH auth agent.

Please have a look at our Wiki.
http://wiki.x2go.org/doku.php/doc:usage:x2goclient#getting_started_my_fi
rst_session_profile

> 2) In my first tries, I had a curious message, and it was
> impossible to connect. The problem was in known-host. Deleting it
> done the trick, but analysing the difference between the previous
> and the one generated during x2go connection, I say a difference
> between records.
> 
> When using ssh in console to connect, the record looks like this :
> 
> |1|TaiGrqxL3igpSgVZ4Y6WahmwxEw=|M6tIFGIbg/ZQJI4HTLwLC55AAeY= 
> ecdsa-sha2-nistp256 E2VjZHNhLX
> 
> When connecting with x2go, looks like that:
> 
> [192.168.1.53]:22461 ssh-rsa B3NzaC1yc2E .
> 
> Now, with my last tests, if I have a first form of record, I have
> this message :
> 
> The host key for this server was not found but anothertype of key 
> exists. An attacker might have changed the default server key to
> trick your client into thinking the key does not exist yet.
> 
> For security reasons, it is recommended to stop the connection
> attempt.
> 
> Do you want to terminate the connection?
> 
> 
> Accepting, a new record is added to known host with the second form
> of record.
> 
> I noticed that a record created by x2go in a fresh known_hosts is
> used without problem with ssh
> 
> 
> Why a such difference ?

This is nothing X2Go-specific.  Modern-day ssh implementations do not
use a plaintext format for the known_hosts file any more.  Please
refer to the documentation of your Linux distribution.
The key, in its hashed form, most likely contained a non-rsa key,
maybe ecdsa or dsa, which is why SSH (not X2Go per se) prompts you to
make a decision.


> Will the ip address be updated during a future connection, as the 
> provider changes our public IP for time to time ?

No.  Each time you server receives a new IP, you will be asked to
confirm the connection on the client.  Again, nothing X2Go-specific,
but rather plain SSH.  The way around this is setting up a dynamic DNS
entry, you might want to read up on that.


> 3) Using x2go graphic window, when I choose a profile to connect,
> x2go first present the box to enter the key, but user password
> hasn't yet been entered, so we must cancel the key box and the
> error box, and then enter the user password to have again the key
> box. This is very curious, and more curious, entering the key
> doesn't work, x2go always want me to enter the key. In fact, just
> cancelling this box and the connection is ok. I suppose it's due to
> known_host, but the way to connect is very strange.

This is due to a setup error on your side, probably due to not
following the instructions and choosing a combination of options that
do not really make sense for your setup.

If you authenticate via password, there's no need to enter a path to a
key file, nor to check "try auto-login".

On the other hand, if you intend to authenticate via public key, you
should either:
- - have a running SSH auth agent with the key already loaded (please
*do not* specify a path and file name to your keyfile in that case),
or
- - set a valid path and name for the keyfile (which needs to have the
proper restrictive ownership/group and permission settings to be
accepted - usually youruser:youruser and 600)

For public key authentication, you should not enter a password in the
user/password box at all.

If you're using an SSH auth agent, there will be no prompt for the
password, even if your keyfile is protected with one, as you already
entered the password when loading the key into the agent, and it
remains unencrypted there (that being the idea of having an SSH auth
agent - not having to re-type the password over and over).

If you're not using an SSH auth agent, and a password-protected
keyfile, you will receive a pop-up dialog box prompting you to enter
the password for the key *after* you clicked the button.  Again, *do
not* enter a password directly in the field under the username field
when using this authentication method.

- -Stefan

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Re: [X2Go-User] Massive beginner's woes

2015-10-04 Thread Stefan Baur
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Am 04.10.2015 um 22:21 schrieb Brian Capouch:

> I am trying to run the client on a remote machine.

> Does an X server already have to be running on the physical machine
> to use x2go?  Do I want to be running in Desktop, Rootless, or
> Shadow mode, and how does one even select such a thing?

That depends on which "physical machine" you are talking about -
client or server.

On the server (remote end), you do not need a running X Server.  If it
has a running X server, you can use X2Go to take over the :0 display,
for remote support.

On the client (local end), you need some sort of X server.  For Linux,
it will be the one you're already running for your regular GUI
session. For Mac OS X, you will use Xquartz.  For Windows, X2GoClient
ships with a free X-Server for Windows, but you may substitute your own.

Desktop/rootless/shadow depends on what you intend to use X2Go for.
These settings are configured on the client, and can be set/changed
individually for every connection you decide to set up (they're saved
as "tiles" you can click on to start a connection).


> I am really motivated, but the complexity of the system combined
> with the limited documentation (e.g. I see there are two
> x2gostartagent processes running, caused by my ssh connection to
> the server machine. What should happen next?) may mean that my
> hopes of using x2go may be dashed.

You did take a look at our getting started/first steps section in the
Wiki, right?
http://wiki.x2go.org/doku.php/doc:usage:x2goclient#getting_started_my_fi
rst_session_profile


> How much does "professional help" run?  All the sites linked to
> the main page are in German. . .

Professional help is 110EUR/h, feel free to contact me off-list if
you're interested.

- -Stefan

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Re: [X2Go-User] Launchpad cleanup

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 12:09 schrieb Mike Gabriel:

> Actually, Robert got me correctly. I have removed the build recipes
> from X2Go's Launchpad configuration _and_ remove the packages from
> the PPAs.
> 
> As a community project, we don't support non-support Linux distros.
> If anyone needs X2Go builds for old operating systems, there are
> two possibilities (at least).

I don't see a reason why we should remove the packages that were
already built.  Not providing new packages, not caring about
dependency issues etc., not providing security fixes, ... for
unsupported distributions/releases is one thing, but deleting what
already was there?  Do we really have a good reason to annoy users
like that (space constraints on our servers or something?)?

Think of a user that is stuck with an unsupported distribution/release
for some reason or other.  Do you really want to punish that user for
not keeping a local copy of the repository?

Doesn't sound like a smart move to me ...

If we're not limited by disk space or something similar, I would
suggest moving such packages to a repo that is named
-unsupported or -outdated or -archive.
At least for the time that the main OS repository is still available
somewhere, too (think snapshots.debian.org).

- -Stefan
X2Go Project/Community Coordinator

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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 13:30 schrieb Alain Aupeix:
> I want to be able to disconnect on the server but not the x2go
> local connexion, and to receive the  machine's connection screen. 
> For example, on a machine (server), I have two users 'alain' and
> 'beatrice' If I connect with x2go to alain, I want to be able to
> disconnect from alain, without closing the x2go connection, receive
> the connection screen, and reconnect to beatrice.
> 
> Am-I clear, and is-it possible ?

No, that will not be possible.  X2Go uses the credentials you supply
to open an SSH connection to the server, so, once you log out, the SSH
connection closes and the server has no idea who you are.

We rely on SSH here, and that protocol simply has no means of swapping
credentials mid-session.

Maybe you could explain *why* you feel you have the need to do that,
so we can try to suggest alternatives?

- -Stefan

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Re: [X2Go-User] Run x2goDesktopSharing as service

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 12:59 schrieb Alain Aupeix:
> Is-it possible to launch x2goDesktopSharing as a service when
> launching the system (same as x2goserver), to be able to disconnect
> of the user and reconnect to another.

That sounds like you want to run X2GoClient in ThinClient mode,
instead of your usual login manager, and run X2GoServer on the same
machine.

Not exactly a beginner's task, but I don't see why it shouldn't work.

By starting an X2Go session on the same machine, you're making it
detachable/suspendable, so that would be what you're looking for, I gues
s.

An easier, yet clumsier way would be to log in as usual, but instead
of starting regular applications in that screen, fire up X2GoClient,
connect to localhost with a fullscreen session, and work with that.
Same effect - you now have a session that you can detach/suspend and
reattach from somewhere else.

- -Stefan

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Re: [X2Go-User] Launchpad cleanup

2015-09-24 Thread Stefan Baur
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Am 24.09.2015 um 21:34 schrieb Mike Gabriel:
> We don't want to provide old code for download containing known
> bugs and security issues.

I disagree with you here.  As long as the repo is clearly tagged
"archive", "unsupported", "outdated" or something similar, it should
be made available.
That way, people "in dire need" can download a copy from there and get
their systems up and running again, but they're also made aware of the
fact that this is not a supported, current release - with all the
functionality, dependency and security hellholes it may bring.

Unix is about freedom of possibilities - this includes the possibility
to shoot yourself in the foot if you're not careful.


>> Think of a user that is stuck with an unsupported
>> distribution/release for some reason or other.  Do you really
>> want to punish that user for not keeping a local copy of the
>> repository?
> 
> I can think of them, but as a community project, we do neither have
> man power nor resources to support those non-supported scenarios.

This is not about support.  This is simply about leaving things that
were already available where they are (alright, mv'ing them to a
slightly different location, but still, you get my point).

People expect things to be there, especially if there's no previous
announcement that a mass delete is about to happen.

So, in short: Next time, when you perform such an action, please send
out a "heads-up" message to x2go-project at least 2 weeks prior to
taking action.  If nobody steps up to mirror/move the repo, I will
then notify x2go-dev and x2go-user.

- -Stefan
X2Go Project/Community Coordinator

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Re: [X2Go-User] x2go used only on remeote sessions

2015-09-25 Thread Stefan Baur
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Am 25.09.2015 um 22:06 schrieb Jim Lawrence:
> Can it be configured so that a X2GO remote session will initiate a,
> for example, MATE desktop session for the remote duration? (Or is
> this already the case?)

You are free to pick any of the supported desktop environments form
the drop-down list in X2GoClient, this setting will only affect the
particular X2Go session, not your default for the local desktop.

Kind Regards,
Stefan Baur

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Re: [X2Go-User] Black screen

2015-11-28 Thread Stefan Baur
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Am 28.11.2015 um 18:20 schrieb Robert Dinse:
> 
> Ubuntu ships with kde5 which is incompatible due to plasmashell 
> requiring GLX 1.3 per the X2Go Wiki.
> 
> Mate works well on 15.10 with X2Go.
> 

Uh,

Michael is running FC23, not Ubuntu, on his server.
The underlying issue may still be the same, assuming FC23 ships KDE5
just like Ubuntu does.

Kind Regards,
Stefan


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Re: [X2Go-User] TCE install a new kernel

2015-11-30 Thread Stefan Baur
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Am 30.11.2015 um 01:01 schrieb Michael Pope:
> I've installed the 3.16 in the chroot environment and ran the x2go 
> update script, but my thin clients still boot with the 3.2. Is
> there something else I have to do?

Assuming you're using a standard PXE/TFTP/NFS boot setup, the kernel
and initrd are not being pulled from the chroot (at that stage of the
boot process, your thin client doesn't even know that such a thing
exists), but from where pxelinux tells your thin client to look for
them (this is not an X2Go-TCE-specific issue).  Usually, this is
somewhere under /srv/tftp/, so a

find /srv/tftp -name "vmlinuz*"

should provide some pointers.

Kind Regards,
Stefan

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Re: [X2Go-User] TCE client resolution

2015-11-30 Thread Stefan Baur
Am 30.11.2015 um 01:02 schrieb Michael Pope:
> I've been happy using this client in 1920x1080 as a LTSP thin
> client so I know it all works

Doesn't sound like an X2GoClient issue to me.  Probably $SOMETHING is
different between how the stripped down Debian Linux used for the TCE
environment sets up your screen, and how your LTSP setup does that.
--> You could test that by setting up an X display on :1, and using
ssh -X to display $SOMETHING in fullscreen.  My guess is that a
non-X2Go-exported remote application/desktop (or a local X
application, for that matter) will be larger than the visible screen, too.

It would be worth comparing kernel/boot parameters and installed
packages that are related to your graphics card and X in general.

Kind Regards,
Stefan Baur

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Re: [X2Go-User] cp: not writing through dangling symlink /opt/x2gothinclient/chroot/etc/x2go/x2gothinclient_init

2015-11-30 Thread Stefan Baur
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m 30.11.2015 um 11:04 schrieb Olaf:

> I can not get to install the TCE on Ubuntu 14.04, as described on 
> http://wiki.x2go.org/doku.php/wiki:advanced:tce:install?s[]=pxe.
> There is a problem with a symbolic link, I think. It would be great
> if someone can help me.

It would be really great if you could re-post the error messages
without adding extra spaces before and after "/".

Those extra spaces are a tad bit confusing.

Also, your TCE is using Debian, not Ubuntu (not sure if we support an
Ubuntu-based TCE, though) AND it is pulling in packages from the
nightly builds ("heuler").

In "heuler", things may break without advance notice, so I would
suggest trying things out with a stable build first.

Use:

TC_X2GO_DEBURL = deb http://packages.x2go.org/debian wheezy main

(simply omitting the "heuler" at the end)

and see what happens.

Kind Regards,
Stefan

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Re: [X2Go-User] sshfs issue

2015-11-30 Thread Stefan Baur
Am 27.11.2015 um 20:53 schrieb Robert Fantini:
> Hello
> 
> I've not been able to get remote print working.
> 
> The issue seems to be with this:
> 
> 
> # ls -l /tmp/.x2go-rob/spool ls: cannot access
> /tmp/.x2go-rob/spool/C-rob-63-1448653826_stDLXDE_dp24: Permission
> denied total 0 d? ? ? ? ??
> C-rob-63-1448653826_stDLXDE_dp24
> 
> 
> mount shows: 
> rob@127.0.0.1:/home/rob/.x2go/S-rob-63-1448653826_stDLXDE_dp24/spool
> on /tmp/.x2go-rob/spool/C-rob-63-1448653826_stDLXDE_dp24 type
> fuse.sshfs 
> (rw,nosuid,nodev,relatime,user_id=1700,group_id=1001,default_permissions)

>
> 
Any clues on how to solve this?

Some more info would be helpful:
- distribution and version of Linux used on the server
- distribution and version of Linux used on the client (if using Linux)
- operating system version of the client OS (if not using Linux)
- x2go package versions on the client
- x2go package versions on the server
- group membership of "rob"
- ownership and permissions on
  /home/rob/.x2go/S-rob-63-1448653826_stDLXDE_dp24/spool
  and
  /tmp/.x2go-rob/spool/C-rob-63-1448653826_stDLXDE_dp24
  when queried by "root", rather than "rob"

Kind Regards,
Stefan Baur

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Re: [X2Go-User] Slow switching windows

2015-11-24 Thread Stefan Baur
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Am 24.11.2015 um 11:32 schrieb Dirk Deimeke:
> We are not able to reconnect to a full desktop fullscreen (black 
> screen). Since I see the mouse pointer changing, I guess the
> remote screen refresh is not working.

Hmm, that sounds like a bug.  You might want to subscribe to x2go-dev
as well and file a bug report, as described here:
http://wiki.x2go.org/doku.php/wiki:bugs#reporting_bugs

Use:
package: x2goclient
version: 4.0.5.0

as the first *three* lines of your bug report and send it to
sub...@bugs.x2go.org

Kind Regards,
Stefan

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Re: [X2Go-User] Slow switching windows

2015-11-24 Thread Stefan Baur
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Am 24.11.2015 um 10:33 schrieb Dirk Deimeke:
> 
> 
> Hi,
> 
>> Any ideas how to fix this? It is quite annoying.
> 
> I forgot to add that the client is running on Windows 7 (version
> 4.0.5.0).

Aaand you're using a full desktop view (either as fullscreen or in
windowed mode) or the published application mode?

- -Stefan

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Re: [X2Go-User] how to get previous version of client?

2015-11-20 Thread Stefan Baur
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Am 21.11.2015 um 03:43 schrieb Michael Stauffer:
> 
> I have the same setup except I have x2go client 4.0.3.2 (Qt -
> 4.8.6) and it's working well for me. Is there somwhere I can get
> the os x installer for 4.0.3.2? And is the appropriate Qt version
> bundled with that? Haven't been able to find it online. Thanks.

You can find all previous releases for X2GoClient on Mac OS X here:
http://code.x2go.org/releases/binary-macosx/x2goclient/releases/

Kind Regards,
Stefan

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Re: [X2Go-User] Debian 8.3 - packages cannot be installed

2016-01-28 Thread Stefan Baur
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Am 28.01.2016 um 20:51 schrieb KARL A. WOELFER:

> I am not able to install x2go on the latest Debian 8.3 (amd64). Is 
> this a known problem?

Unable to reproduce. Works just fine here.

You did run apt-get update before running apt-get install x2goserver,
right?

If not, please do so, and try again.

If you did, or if the problem persists, please post the content of
your sources.list.

Your error messages might hint at missing Debian repositories (maybe
you enabled security.debian.org, but not ftp.debian.org? - your
sources.list will tell us more).

Kind Regards,
Stefan Baur

- -- 
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Geschäftsführer: Stefan Baur
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Re: [X2Go-User] Paid Support?

2016-01-29 Thread Stefan Baur
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Am 29.01.2016 um 16:29 schrieb James M. Pulver:
> I'm trying to see if there's a contact for general support on
> using X2Go, and maybe feature bug fixing.

Yes, there is - that contact would be my company.
We're trying to "channel" all requests through my company and split up
tasks between the individual companies you saw listed on the wiki,
depending on skillset and workload.  Feel free to contact them as
well, though - except for Mike Gabriel (DAS-NETZWERKTEAM), who has
decided to do all his X2Go-related business through me, the others are
available for individual contracting as well.
I would like to brag, though, that my company already has previous
experience doing business with US customers from the academic
environment. ;-)


> The linked sites on the Wiki don't seem to have an English version,
> and there's no obvious contact link or e-mail address.

Thank you for the reminder that we really should update that wiki page.


> I'm mostly looking for a ballpark idea of cost. (i.e. $xx per hour
> or $xxx for an estimate for work)

For customers without a support contract, all companies involved
usually charge 110 EUR/h, taxes not included.*

Lower hourly rates are available for a fixed amount of hours booked in
advance, in connection with a support contract.
Also, project-based "flat rate" pricing is available, too.

*(Note that for US customers, we do not charge VAT, which is in
accordance with German tax law.  As US tax law partially depends on
the state you're in, please check with your tax advisor or otherwise
competent person if you might have to report foreign VAT-free invoices
to the IRS or similar authorities, so they can collect whatever tax
may apply.)


> I'm probably looking at issues on the X2Go Client(cross platforms)
> and a RHEL6 and 7 compatible server (Scientific Linux to be
> exact)...

Feel free to file bugs on our bugtracker and ask for a quote
afterwards, providing us with the bug numbers you would like to see fixe
d.


> Please do contact me if you offer any of these services.

If you have any further questions regarding commercial support or the
background of my company, feel free to contact me off-list, either
using this E-Mail address or the one we use for communicating with
paying customers: kont...@baur-itcs.de

Kind Regards,
Stefan Baur

- -- 
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Re: [X2Go-User] kex error

2016-01-29 Thread Stefan Baur
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Am 29.01.2016 um 18:14 schrieb Klaus Fuerstberger:
> Option and value should be on one line.
> 
> Here is my working entry:
> 
> KexAlgorithms 
> ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

...
> 
which ends up in two lines in e-mail, due to the enforced line
break at the blank. ;-)

- -Stefan

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Re: [X2Go-User] Customize Published Applications menu layout

2016-03-15 Thread Stefan Baur
Am 15.03.2016 um 14:41 schrieb Gabriel Machado:
> 
> I would like to have all applications on my Published Applications menu
> on the top level, but can't figure how! I've tried to copy the .menu
> file to the /etc/xdg folder but it didn't changed a thing! It seems only
> to use default categories from freedesktop.
> 
> Is it a hard coded feature or there is a file to change its layout?

You need to replace /etc/x2go/applications, which is a symlink (pointing
to /usr/share/applications) by default, with an actual folder.

Copy all *.desktop files (or only those belonging to applications you
wish to publish via X2Go) from /usr/share/applications to that
newly-created folder, then, in each *.desktop file, change the line
starting with "Categories=" to "Categories=X2Go-Top".

Note that you will have to repeat this process whenever the content of
one of the original *.desktop files changes, or your entries will be out
of sync.

The folder /etc/xdg has nothing to do with this.
Only /usr/share/applications and /etc/x2go/applications are relevant for
what you intend to do.

Kind Regards,
Stefan Baur

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Re: [X2Go-User] SSH key generation in Windows

2016-03-03 Thread Stefan Baur
Am 03.03.2016 um 15:12 schrieb Sébastien Ducoulombier:
> Hello,
> 
> 
> I am considering restricting access to my X2Go servers : I'd like to
> disable password authentication.
> 
> I need all my X2Go client users to generate their own SSH keys and
> transfer the public part to the server.
> 
> I wrote a simple guide for Linux and Mac users, but I still miss Windows
> support, since I do not have windows systems around me.
> 
> I found
> http://wiki.x2go.org/doku.php/wiki:advanced:authentication:passwordless-ssh#windows-client
> 
> Does that wiki documented procedure work with XP, Seven and W10 ?

It SHOULD (tm).

However, Windows users might prefer a more GUI-ish approach.

Check out PuTTY:
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

There's PuTTYgen (a GUI to create and manage keyfiles) and Pageant (an
SSH agent for Windows).

Do note that PuTTYgen by default creates private key files that are only
usable with the other tools from the PuTTY suite (like Pageant), NOT
with X2GoClient itself.

So you can either use Pageant and load the PuTTY-style private key file
into that, then tell X2GoClient to use an agent-stored key (leaving the
path to the key file blank in the session configuration), or you need to
export the private key using PuTTYgen into the standard format.

-Stefan

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