Back to Bramble Setup

Ok, class finished about a week ago, and it was a great experience.  I'm looking forward to taking another course in the future, but for now it's time to get back to the Pi bramble.  Once I get the setup completed, there are some interesting things that I'm going to try to drag over from my Neural Networks environment to the bramble.

Just to level-set, I've got the message passing interface (mpich2) installed and built on all of the Pi machines.  I see that there is now an mpich version 3 available as of mid-November, but I'm staying put on this version until we get things up and running.

The next step is now to configure the network of machines.  I established machine number 1 as the master, and the rest as slave machines.  Follow the directions to setup the rhosts files for the root and pi users, and /etc/hosts so that all of the machines can see each other by name (see the instructions in the west coast labs blog).  My /etc/hosts on each machine now contains these lines (among others):

192.168.1.151    RsPi1    RsPi_1    R1    r1    Master     master
192.168.1.152    RsPi2    RsPi_2    R2    r2    SlaveR2    slaver2    slave2
192.168.1.153    RsPi3    RsPi_3    R3    r3    SlaveR3    slaver3    slave3
192.168.1.154    RsPi4    RsPi_4    R4    r4    SlaveR4    slaver4    slave4
192.168.1.155    RsPi5    RsPi_5    R5    r5    SlaveR5    slaver5    slave5
192.168.1.156    RsPi6    RsPi_6    R6    r6    SlaveR6    slaver6    slave6
192.168.1.157    RsPi7    RsPi_7    R7    r7    Slaver7    slaver7    slave7
192.168.1.158    RsPi8    RsPi_8    R8    r8    Slaver8    slaver8    slave8

This is replicated on all of the Pi machines.  It's as far as I've been able to get with the setup so far.  I'm getting close to running something soon.