[ubuntu-us-mn] ubuntu-us-mn Digest, Vol 24, Issue 3

Tue Aug 4 14:25:36 BST 2009

Hi Dan,

X-sessions are great, and sometimes it is the only thing that will  
work.  Another option is NX client and NX server from NoMachine.   
There is an open source Linux version for the server version from  
NoMachine and you can get the client on line--I used it on a Mac.  I  
used them all last year to get GUI access to my sever that was in a  
locked room that I was not given a key to enter.  NX uses a protocol  
that is truly amazing.  I've got DSL and when I worked on the server  
from home it responded almost as if I were working on the computer in  
front of me.  Another nice feature is that, unlike VNC in which you  
have to be logged in to the computer, with NX someone else can be  
logged in or even no one--similar to X-sessons over ssh.  Good luck,

David

On Aug 3, 2009, at 10:06 PM, ubuntu-us-mn-request at lists.ubuntu.com  
wrote:

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> Today's Topics:
>
>   1. Re:  XDMCP configuration (Eric Honaker)
>   2. Re:  XDMCP configuration (Daniel Bicknell)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 3 Aug 2009 21:30:53 -0500
> From: Eric Honaker <songwindapogee at dragonseptarts.com>
> Subject: Re: [ubuntu-us-mn] XDMCP configuration
> To: Daniel Bicknell <danielbicknell63 at gmail.com>
> Cc: Ubuntu Minnesota Mailing List <ubuntu-us-mn at lists.ubuntu.com>
> Message-ID:
> 	<4b0998280908031930k54f61316ndefe62e7e160f97 at mail.gmail.com>
> Content-Type: text/plain; charset="windows-1252"
>
> when you connect, use this command:
>
> ssh -Y <host>
>
> Eric Honaker
> Dragonsept Arts & Publishing <http://www.dragonseptarts.com/>
> "Words are, of course, the most powerful drug used by mankind." -  
> Rudyard
> Kipling
>
>
>
> On Mon, Aug 3, 2009 at 9:22 PM, Daniel Bicknell
> <danielbicknell63 at gmail.com>wrote:
>
>> I guess the answer is that I didn?t know that I could.  I?ve tried
>> googling and I come up with adding the following to my sshd config:
>>
>>
>>
>> X11Forwarding yes
>>
>>
>>
>> But, every time I try anything graphical I get a ?Cannot open  
>> display? or
>> ?no display specified? error, so I seem to be missing a step or two?
>>
>>
>>
>> Thanks,
>>
>> Dan
>>
>>
>>
>>
>>
>> *From:* ubuntu-us-mn-bounces at lists.ubuntu.com [mailto:
>> ubuntu-us-mn-bounces at lists.ubuntu.com] *On Behalf Of *Eric Honaker
>> *Sent:* Sunday, August 02, 2009 10:27 PM
>> *To:* Ubuntu Minnesota Mailing List
>> *Subject:* Re: [ubuntu-us-mn] XDMCP configuration
>>
>>
>>
>> Is there a particular reason that you want remote desktop as  
>> opposed to
>> tunneling X apps through an ssh session?
>>
>> Eric Honaker
>> Dragonsept Arts & Publishing <http://www.dragonseptarts.com/>
>> "Words are, of course, the most powerful drug used by mankind." -  
>> Rudyard
>> Kipling
>>
>>
>>
>> On Sun, Aug 2, 2009 at 8:32 PM, glenn opdycke-hansen <glennoph at gmail.com 
>> >
>> wrote:
>>
>> I see that XDMCP is not secure.  I was looking for a ssh base  
>> solution.
>> Perhaps this will work:  VNC.
>> The target system needs to be configured to accept remote control.   
>> This
>> can be done via System|Preferences|Remote Desktop Preferences.  The  
>> default
>> is not to allow remote access.  On Sharing section, allow others to  
>> view
>> and/or control the desktop.  On Security there are some options  
>> that apply.
>> For example, confirmation could be set on, but that would not be  
>> appropriate
>> if the target system was unattended. Or a password can be required  
>> to access
>> the system remotely.
>> When the Remote Desktop Preferences is set, the system can be  
>> accessed via
>> Applications|Internet|Remote Desktop Viewer.
>>
>> I was able to connect between my laptop and server, but there were  
>> issues
>> seeing the refreshed screen.  I am not sure if it was that one  
>> machine was
>> run gnome and the other was running kde.  There appears to be remote
>> control.  But the results of the remote requests are not seen by  
>> the remote
>> machine.  Perhaps this due to the router settings.  Anyway, good  
>> luck with
>> this.
>>
>> Regards,
>> Glenn
>>
>> On Sun, Aug 2, 2009 at 15:27, Daniel Bicknell <danielbicknell63 at gmail.com 
>> >
>> wrote:
>>
>>  I?m wondering if anyone uses XDMCP successfully with Ubuntu 9.04?  I
>> would like to be able to remotely log into my server via my laptop  
>> at home
>> through a gnome session.  I had this functioning in the past (back  
>> when I
>> was on 8.04) but at some time I stopped being able to use this  
>> access ? or
>> rather, when I try to remotely log in, the server isn?t found.
>>
>>
>>
>> To enable, I?ve gone into System->Administration->Login and enabled  
>> remote
>> login.  This was all I needed to do before and all of the  
>> documentation I?ve
>> found on searches only discusses this screen.  I have no problems  
>> accessing
>> Samba or connecting with SSH.  Both laptop and server are running  
>> the same
>> version of Ubuntu (9.04).
>>
>>
>>
>> Does anyone know what else I might look at?
>>
>>
>>
>> Thanks,
>>
>> Dan
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> --
>> ubuntu-us-mn mailing list
>> ubuntu-us-mn at lists.ubuntu.com
>> Modify settings or unsubscribe at:
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>>
>>
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>>
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> ------------------------------
>
> Message: 2
> Date: Mon, 3 Aug 2009 22:06:00 -0500
> From: "Daniel Bicknell" <danielbicknell63 at gmail.com>
> Subject: Re: [ubuntu-us-mn] XDMCP configuration
> To: "'Eric Honaker'" <songwindapogee at dragonseptarts.com>
> Cc: 'Ubuntu Minnesota Mailing List' <ubuntu-us-mn at lists.ubuntu.com>
> Message-ID: <001101ca14b0$7f92fee0$7eb8fca0$@com>
> Content-Type: text/plain; charset="us-ascii"
>
> Ahh . very cool.  Ok, that worked . for the most part.  I tried  
> starting a
> 'gnome-session' and it the GUI displayed upside down and backward -  
> then it
> kept going into screensaver mode and wouldn't take my password.   
> But, I can
> work through all that.  The important thing is that I did connect  
> and the
> gnome apps I tried did work.
>
>
>
> Thanks for the help!
>
> Dan
>
>
>
>
>
> From: Eric Honaker [mailto:songwindapogee at dragonseptarts.com]
> Sent: Monday, August 03, 2009 9:31 PM
> To: Daniel Bicknell
> Cc: Ubuntu Minnesota Mailing List
> Subject: Re: [ubuntu-us-mn] XDMCP configuration
>
>
>
> when you connect, use this command:
>
> ssh -Y <host>
>
> Image removed by sender.Eric Honaker
> Dragonsept Arts  <http://www.dragonseptarts.com/> & Publishing
> "Words are, of course, the most powerful drug used by mankind." -  
> Rudyard
> Kipling
>
>
>
> On Mon, Aug 3, 2009 at 9:22 PM, Daniel Bicknell <danielbicknell63 at gmail.com 
> >
> wrote:
>
> I guess the answer is that I didn't know that I could.  I've tried  
> googling
> and I come up with adding the following to my sshd config:
>
>
>
> X11Forwarding yes
>
>
>
> But, every time I try anything graphical I get a "Cannot open  
> display" or
> "no display specified" error, so I seem to be missing a step or two?
>
>
>
> Thanks,
>
> Dan
>
>
>
>
>
> From: ubuntu-us-mn-bounces at lists.ubuntu.com
> [mailto:ubuntu-us-mn-bounces at lists.ubuntu.com] On Behalf Of Eric  
> Honaker
> Sent: Sunday, August 02, 2009 10:27 PM
> To: Ubuntu Minnesota Mailing List
> Subject: Re: [ubuntu-us-mn] XDMCP configuration
>
>
>
> Is there a particular reason that you want remote desktop as opposed  
> to
> tunneling X apps through an ssh session?
>
> Error! Filename not specified.Eric Honaker
> Dragonsept Arts  <http://www.dragonseptarts.com/> & Publishing
> "Words are, of course, the most powerful drug used by mankind." -  
> Rudyard
> Kipling
>
>
>
> On Sun, Aug 2, 2009 at 8:32 PM, glenn opdycke-hansen <glennoph at gmail.com 
> >
> wrote:
>
> I see that XDMCP is not secure.  I was looking for a ssh base  
> solution.
> Perhaps this will work:  VNC.
> The target system needs to be configured to accept remote control.   
> This can
> be done via System|Preferences|Remote Desktop Preferences.  The  
> default is
> not to allow remote access.  On Sharing section, allow others to  
> view and/or
> control the desktop.  On Security there are some options that  
> apply.  For
> example, confirmation could be set on, but that would not be  
> appropriate if
> the target system was unattended. Or a password can be required to  
> access
> the system remotely.
> When the Remote Desktop Preferences is set, the system can be  
> accessed via
> Applications|Internet|Remote Desktop Viewer.
>
> I was able to connect between my laptop and server, but there were  
> issues
> seeing the refreshed screen.  I am not sure if it was that one  
> machine was
> run gnome and the other was running kde.  There appears to be remote
> control.  But the results of the remote requests are not seen by the  
> remote
> machine.  Perhaps this due to the router settings.  Anyway, good  
> luck with
> this.
>
> Regards,
> Glenn
>
> On Sun, Aug 2, 2009 at 15:27, Daniel Bicknell <danielbicknell63 at gmail.com 
> >
> wrote:
>
> I'm wondering if anyone uses XDMCP successfully with Ubuntu 9.04?  I  
> would
> like to be able to remotely log into my server via my laptop at home  
> through
> a gnome session.  I had this functioning in the past (back when I  
> was on
> 8.04) but at some time I stopped being able to use this access - or  
> rather,
> when I try to remotely log in, the server isn't found.
>
>
>
> To enable, I've gone into System->Administration->Login and enabled  
> remote
> login.  This was all I needed to do before and all of the  
> documentation I've
> found on searches only discusses this screen.  I have no problems  
> accessing
> Samba or connecting with SSH.  Both laptop and server are running  
> the same
> version of Ubuntu (9.04).
>
>
>
> Does anyone know what else I might look at?
>
>
>
> Thanks,
>
> Dan
>
>
>
>
>
>
>
>
>
>
>
>
>
> --
> ubuntu-us-mn mailing list
> ubuntu-us-mn at lists.ubuntu.com
> Modify settings or unsubscribe at:
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>
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>
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> End of ubuntu-us-mn Digest, Vol 24, Issue 3
> *******************************************