If you do not want to change the global settings for ssh, you can fix this for LAM by exporting the variable:
export LAMRSH='ssh -x' Cheers, Bernard > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Michael Edwards > Sent: Thursday, March 24, 2005 5:39 > To: ullas ckm > Cc: [email protected] > Subject: Re: [Oscar-users] warning during execution of mpi > programs why?(no ssh problem). > > The fix you are looking at only turns off X11 forwarding for > the C3 package (cexec,cshutdown,etc) and not for all > programs. It is mentioned in conjunction with that package > because it is the place most people see the error. > > I am a bit confused as to why lam is giving you this warning, > but you can turn it off for all ssh connections by changing the file > > /etc/ssh/ssh_config > > It is very well commented and it should be clear which line > you need to change. > > I don't have time to find the exact line syntax at the > moment, but if you have problems I will look it up this evening. > > On Thu, 24 Mar 2005 18:23:39 +0800, ullas ckm > <[EMAIL PROTECTED]> wrote: > > Thanks Edward > > > > Its oscar 4.0 on Redhat 9.0. > > The fix we tried was looking something like this, > > > > export C3_RSH='ssh -x' > > cexec uptime. > > > > Actually this warning appears only when executing mpi > programs in oscartst login,but as for as root login is > considerd we are not facing this problem.One more thing is,we > are not connected to public NTP servers instead we are using > a local one.can this be a reason for the warning. > > > > thanks in advance > > ullas > > > > > > ----- Original Message ----- > > From: "Michael Edwards" <[EMAIL PROTECTED]> > > To: "ullas ckm" <[EMAIL PROTECTED]> > > Subject: Re: [Oscar-users] warning during execution of mpi > programs why?(no ssh problem). > > Date: Thu, 24 Mar 2005 00:19:48 -0600 > > > > > > > > What version of Oscar are you using, and what distro? > > > > > > How did you implement the fix in the docs and what effect > did they have? > > > > > > Having the X11 stuff enabled is not neccesary anyway, > since X isn't > > > installed on the nodes. So you might as well turn it off > unless you > > > use another system this way from the head node. > > > > > > Anyway, a little more detail might help us help you with > your problem. > > > > > > > > > On Tue, 22 Mar 2005 18:36:36 +0800, ullas ckm > <[EMAIL PROTECTED]> wrote: > > > > hi > > > > > > > > We have some problems with communication between the processes > > > > when executing mpi programs.during execution of mpi programs we > > > > are getting the following warning which is slowing down the > > > > performance of the application. > > > > mpirun -np 8 ./a.out > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > Warning: No xauth data; using fake authentication data > for X11 forwarding. > > > > > > > > we have tried the rectifcation given in install.pdf. > also We are > > > > not facing any problems with ssh login and cexec tools. > > > > Pls help us. > > > > > > > > regards > > > > ullas > > > > -- > > > > ______________________________________________ > > > > Check out the latest SMS services @ > http://www.linuxmail.org This > > > > allows you to send and receive SMS through your mailbox. > > > > > > > > Powered by Outblaze > > > > > > > > ------------------------------------------------------- > > > > SF email is sponsored by - The IT Product Guide Read honest & > > > > candid reviews on hundreds of IT Products from real users. > > > > Discover which products truly live up to the hype. > Start reading now. > > > > http://ads.osdn.com/?ad_ide95&alloc_id396&opclick > > > > _______________________________________________ > > > > Oscar-users mailing list > > > > [email protected] > > > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > -- > > ______________________________________________ > > Check out the latest SMS services @ http://www.linuxmail.org This > > allows you to send and receive SMS through your mailbox. > > > > Powered by Outblaze > > > > ------------------------------------------------------- > > This SF.net email is sponsored by Microsoft Mobile & > Embedded DevCon > > 2005 Attend MEDC 2005 May 9-12 in Vegas. Learn more about > the latest > > Windows > > Embedded(r) & Windows Mobile(tm) platforms, applications & > content. > > Register by 3/29 & save $300 > > http://ads.osdn.com/?ad_idh83&alloc_id149&opclick > > _______________________________________________ > > Oscar-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > ------------------------------------------------------- > This SF.net email is sponsored by Microsoft Mobile & Embedded > DevCon 2005 Attend MEDC 2005 May 9-12 in Vegas. Learn more > about the latest Windows > Embedded(r) & Windows Mobile(tm) platforms, applications & > content. Register by 3/29 & save $300 > http://ads.osdn.com/?ad_idh83&alloc_id149&op=ick > _______________________________________________ > Oscar-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oscar-users > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&op=click _______________________________________________ Oscar-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/oscar-users
