[CentOS] Having trouble with FreeNX, Need help to make it work perfectly

Wed Apr 25 10:48:30 UTC 2007

First step, get X working on the local login first. If there is no running X 
server, FreeNX has nothing to connect to.

HTH, 
Tim

On Wednesday 25 April 2007 12:48:31 am Kai Yang Tay wrote:
> Hi thanks for the reply i am really grateful if you can tell me how to
> make FreeNX work like charm.
>
> I am really stuck with it, and after reinstalling the server is
> definitely pissing off my boss.
>
> Please help me thanks.
>
> ===========================
>
> Please let me review how my FreeNX was screwed up.
>
> After i fresh install my CentOS 5, I 'yum install freenx' and so if i
> am not wrong
> I actually install freenx 0.5.0-12 or something.... but i think ya shd be
> -12.
>
> Ok... so after i install freenx through yum. I follow what's on
> http://wiki.centos.org/FreeNX
>
> I --adduser and --passwd etc. Then copy the
> /etc/nxserver/client_id*.key over to my NX Client on Windows.
>
> Initially all works out. The NX session starts and i can do what i
> want over this remote session, and i proceed with updating of the
> critical updates for other apps from yum.
>
> The problem comes after i do this, right after the yum update.
>
> I choose to reboot my server. I reboot the server over the NX remote
> session. By going System -> Log Off -> Reboot.
> The NX Client's Window automatically closed (in quite a violent way
> with error msg). Then the server reboot.
> After the reboot, I try to reconnect to Server again using NX. But
> this time it fails with the following message.
>
> ===========================================================================
>========= NX> 203 NXSSH running with pid: 5940
> 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: 192.168.1.5 on port: 22
> NX> 202 Authenticating user: nx
> NX> 208 Using auth method: publickey
> HELLO NXSERVER - Version 1.5.0-60-SVN OS (GPL)
> NX> 105 hello NXCLIENT - Version 1.5.0
> NX> 134 Accepted protocol: 1.5.0
> NX> 105 SET SHELL_MODE SHELL
> NX> 105 SET AUTH_MODE PASSWORD
> NX> 105 login
> NX> 101 User: root
> NX> 102 Password:
> NX> 103 Welcome to: XQSVR200611 user: root
> NX> 105 listsession --user="root" --status="suspended,running"
> --geometry="1280x1024x32+render+fullscreen" --type="unix-gnome"
> NX> 127 Sessions list of user 'root' for reconnect:
>
> Display Type Session ID Options Depth Screen Status Session Name
> ------- ---------------- -------------------------------- --------
> ----- -------------- ----------- ------------------------------
>
>
> NX> 148 Server capacity: not reached for user: root
> NX> 105 startsession --link="lan" --backingstore="1" --nodelay="1"
> --encryption="1" --cache="32M" --images="64M" --media="0"
> --session="XQSVR200611" --type="unix-gnome" --geometry="1280x994"
> --fullscreen="1" --kbtype="pc102/en_US"
> --screeninfo="1280x1024x32+render+fullscreen"
>
> NX> 1000 NXNODE - Version 1.5.0-60-SVN OS (GPL)
> NX> 700 Session id: XQSVR200611-1000-1279B1D659A32AEF7AA88D7C50CA5619
> NX> 705 Session display: 1000
> NX> 703 Session type: unix-gnome
> NX> 701 Proxy cookie: 64b824b7aa9edb0a55c6e220710fba3c
> NX> 702 Proxy IP: 127.0.0.1
> NX> 706 Agent cookie: 64b824b7aa9edb0a55c6e220710fba3c
> NX> 704 Session cache: unix-gnome
> NX> 707 SSL tunneling: 1
> NX> 1009 Session status: starting
> NX> 710 Session status: running
> NX> 1002 Commit
> NX> 105 /usr/bin/nxserver: line 1190: 6719 Terminated sleep
> $AGENT_STARTUP_TIMEOUT
> NX> 1006 Session status: running
> NX> 596 Session startup failed.
> NX> 1004 Error: NX Agent exited with exit status 1.
> Can't open
> /var/lib/nxserver/db/running/sessionId{1279B1D659A32AEF7AA88D7C50CA5619}:
> No such file or directory.
> mv: cannot stat
> `/var/lib/nxserver/db/running/sessionId{1279B1D659A32AEF7AA88D7C50CA5619}':
> No such file or directory
> NX> 1006 Session status: closed
> NX> 1001 Bye.
> bye
> Killed by signal 15.
>
> I really do not know what's wrong. When i try to connect back locally
> at my server. The GNOME UI is gone! I am now left with only the
> console logon menu. This same problem happens everytime, even with
> CentOS 4.4 recently.
>
> (In the past, ard DEC 2006, I did the exact same thing on my CentOS
> 4.4 Server, it works without any problem EVEN with the same violent
> exiting way, I have never have a problem connecting back to the
> server. But recently after i failed my installation of CentOS 5 and go
> back to CentOS 4.4, the problem starts to occur like what i have
> mentioned. And I really did what was written on the wiki, nothing i
> have done now is different from what i did in the past.)
>
> Please, and sincerely please. Guys, if you all know what's wrong
> please tell me, how should I solve it?
> Did I miss out something? like installing of NX Node or NX Client on
> the server etc?
>
> Well explained or guide is really appreciated. Thanks, really Thank You.
> _______________________________________________
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> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos

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