Thanks ! sudo ufw allow 9009 sudo ufw enable
solved the problem ! On Wednesday, August 20, 2014 11:49:58 PM UTC-3, [email protected] wrote: > > To be more precise... > > SSH is only used to launch Julia on the worker nodes. Afterwards, Julia > sets up a socket on both nodes and passes messages through that. If the > sockets can't be bound, because of a restrictive firewall for instance, > Julia would try for 60 seconds and then time out. > > At first, I was wondering if Julia would erroneously try to resolve any > machine name it finds. But since you tried to add the hostname and the IP > in /etc/hosts, without any improvement, that certainly means that the > resolution is OK (not sure though : dig do no check /etc/hosts). > > But whatever, by accessing the node, you can see if a socket has been set > up by Julia. > >
