On Tue, 2009-04-07 at 11:39 +0200, Francesco Pietra wrote: > Hi Gus: > I should have set clear at the beginning that on the Zyxel router > (connected to Internet by dynamic IP afforded by the provider) there > are three computers. Their host names: > > deb32 (desktop debian i386) > > deb64 (multisocket debian amd 64 lenny) > > tya64 (multisocket debian amd 64 lenny) > > The three are ssh passwordless interconnected from the same user > (myself). I never established connections as root user because I have > direct access to all tree computers. So, if I slogin as user, > passwordless connection is established. If I try to slogin as root > user, it says that the authenticity of the host to which I intended to > connect can't be established, RSA key fingerprint .. Connect? > > Moreover, I appended to the pub keys know to deb64 those that deb64 > had sent to either deb32 or tya64. Whereby, when i command. > > With certain programs (conceived for batch run), the execution on > deb64 is launched from deb32. > > ssh 192.168.#.## date (where the numbers stand for hostname) > > > I copied /examples to my deb64 home, chown to me, compiled as user and > run as user "connectivity". (I have not compild in the openmpi > directory as this is to root user, while ssh has been adjusted for me > as user. > > Running as user in my home > > /usr/local/bin/mpirun -deb64 -1 connectivity_c 2>&1 | tee n=1.connectivity.out > > it asked to add the host (himself) to the list on known hosts (on > repeating the command, that was no more asked). The unabridged output:
The easiest setup is for the executable to be accessible on all nodes, either copied or on a shared filesystem. Is that the case here? (I haven't read the whole thread, so apologies if this has already been covered.)
