[FreeNX-kNX] Fw: Fw: The NX service is not available

[sohbay at gmail.com]

----- Original Message ----- 
From: "Terje Andersen" <terander at guard.zapto.org>
To: "User Support for FreeNX Server and kNX Client" <freenx-knx at kde.org>
Sent: Wednesday, October 17, 2007 1:04 AM
Subject: Re: [FreeNX-kNX] Fw: Fw: The NX service is not available


> On Tue, 2007-10-16 at 15:57 +0200, sohbay at gmail.com wrote:
>> ----- Original Message ----- 
>> From: "Terje Andersen" <terander at guard.zapto.org>
>> To: "User Support for FreeNX Server and kNX Client" <freenx-knx at kde.org>
>> Sent: Tuesday, October 16, 2007 1:26 AM
>> Subject: Re: [FreeNX-kNX] Fw: Fw: The NX service is not available
>>
>>
>> > On Sun, 2007-10-14 at 23:24 +0200, sohbay at gmail.com wrote:
>> >>
>> >> update:
>> >>
>> >> I have copied nxloadconfig into /etc/nxserver and ran the setup again
>> >>
>> >> /usr/share/doc/freenx-0.7.0/nxsetup --install
>> >
>> > According to the 'which' error (who looks for the program/bash-script
>> > 'nxloadconfig'), it looks like the package you installed with yum 
>> > should
>> > have installed the FreeNX binaries in '/usr/NX/bin'. Check if that
>> > directory is there, and if the binaries are missing in that folder, I
>> > would recommend to remove the package with yum again. Then 
>> > remove/rename
>> > the '/usr/NX/' directory (and all other FreeNX folders/files you can
>> > find (use 'locate' as given in previous mail)), and finally reinstall
>> > with yum again.
>> > If all goes well this time, the binary files for FreeNX should have 
>> > been
>> > placed in /usr/NX/bin/.
>> >
>> > You should then run the setup again, but _NOT_ from the documentation
>> > directory (as you have done so far), with the command:
>> > /usr/NX/bin/nxsetup
>> >
>> > (of course, my thoughts here are based on that the FreeNX files/folders
>> > are placed in '/usr/NX/', which could be wrong, but the adapt it to the
>> > place where the 'yum'-package places them.
>> >
>> > If this still fails, I would contact the package maintainer and ask him
>> > what to do, as I have not much experience with Fedora, or it's 
>> > likes....
>> >
>> > Maybe someone with experience with Fedora could step up here.....? ;-)
>> >
>> > PS! Try to write your comments below (under) and not above (over) the
>> > lines of interest like you did here - it helps a lot when trying to
>> > understand the mail-exchange/thread :-)
>> >
>> > /Terje
>> >
>
> <big-snip>
>
>> Thanks again for your kind help!
>>
>> OK I have removed nxserver and its dependency NX using "yum remove 
>> freenx"
>>
>
> Good.
>
>> I then removed all other lingering directories and then ran yum install
>> freenx  with its dependency NX
>>
>
> OK, now we should be back to the starting point ;-)
>
>> Then LOCATE
>> [root at server ~]# locate nxserver
>>
>> /etc/nxserver
>> /etc/nxserver/client.id_dsa.key
>> /etc/nxserver/node.conf.sample
>> /etc/nxserver/server.id_dsa.pub.key
>> /etc/nxserver/users.id_dsa
>> /etc/nxserver/users.id_dsa.pub
>> /root/nxserver-3.0.0-74.x86_64.rpm
>> /usr/libexec/nx/nxserver
>> /usr/libexec/nx/nxserver-helper
>> /var/lib/nxserver
>> /var/lib/nxserver/db
>> /var/lib/nxserver/home
>> /var/lib/nxserver/db/closed
>> /var/lib/nxserver/db/failed
>> /var/lib/nxserver/db/running
>> /var/lib/nxserver/home/.ssh
>> /var/lib/nxserver/home/.ssh/authorized_keys
>> /var/lib/nxserver/home/.ssh/known_hosts
>> [root at server ~]#
>
> Based on this result, it looks like the FreeNX binaries are in
> '/usr/libexec/nx'.
>
>
>> if I run setup it says its not implemented yet?
>>
>> [root at server~]# /usr/libexec/nx/nxserver --setup
>
> This is not the correct program to run to do a manual install -
> use '/usr/libexec/nx/nxsetup --help'   (to see the parameters)
>
>>
>> NX> 100 NXSERVER - Version 1.5.0-70 OS (GPL)
>> NX> 500 Error: Function --setup not implemented yet.
>> NX> 999 Bye
>>
>> adding a user and password appears to work OK
>>
>> [root at server ~]# /usr/libexec/nx/nxserver --useradd root
>>
>> [root at server ~]# /usr/libexec/nx/nxserver --passwd root
>>
>> OK
>
> OK, this is fine (though I _strongly_ recommend you _not_ to allow/add
> 'root' to be able to login through FreeNX).
>
>>
>> I try to start the server "its already running"
>>
>> [root at server ~]# /usr/libexec/nx/nxserver --start
>> NX> 100 NXSERVER - Version 1.5.0-70 OS (GPL)
>> NX> 500 ERROR: Service already running
>> NX> 999 Bye
>> [root at server ~]#
>>
>
> This is normal after the installation has succeeded - the FreeNX server
> will be started automatic.
>
>> I copy the key from /etc/nxserver/client.id_dsa.key to the nxserver 
>> client
>>
>
> Why do you copy this to the client? Why can't you use the built-in key
> provided with the client & server that both agree on using (and which
> should be more than secure enough for basic usage)? This only
> complicates the setup/configuration/install that you are trying to do...
>
> When you run 'nxsetup --help' you will find that one of the parameters
> you can give nxsetup is '---setup-nomachine-key'. This will install the
> keys that the official clients from NoMachine is already programmed
> with, and will greatly simplify you configuration - if this is not
> acceptable by your security-policy, I would atleast begin with this key
> now that you have trouble getting FreeNX to work, then when all works,
> you can change this to a private key again.
>
>> and then I try to login and I get the same error "auth failed!
>>
>> NX> 203 NXSSH running with pid: 3604
>> NX> 285 Enabling check on switch command
>> NX> 285 Enabling skip of SSH config files
>> NX> 285 Setting the preferred NX options
>> NX> 200 Connected to address: ip on port: 22
>> NX> 202 Authenticating user: nx
>> NX> 208 Using auth method: publickey
>> NX> 204 Authentication failed.
>>
>
> Yes, you have still trouble getting SSH to allow you to login using the
> key (the one I recommended you not to use and copy), so look at the
> things I've written earlier.
>
>>
>> Am I doing something wrong?
>>
>
> well, yes, look at the comments inline earlier in this mail.
>
> If all fails, you can try to run this:
>
>  nxsetup --uninstall --purge --clean
>
> then you can do this to do completely reset the installation
>
> nxsetup --install --setup-nomachine-key
>
> Finally, if this still does not work, you will need to start debugging
> your SSH-server installation/configuration (see the wiki-link I gave you
> in an earlier mail), and possibly see if there has been some updates to
> SELinux (don't know much about that myself, as I don't use Fedora) which
> broke FreeNX (you should find info about this at the wiki/web).
>
>> Thanks
>> Tom
>
> /Terje
>

thanks for all your help! its now working!

nxloadconfig was missing from  /usr/NX/bin

cp from /usr/libexec/nx/nxloadconfig to /usr/NX/bin fixed it!

default key used :) changed key and it still works.. im laughing finaly 
after 38 hours.. must sleep now.

Tom