This sample code requires OpenFabrics Enterprise Distribution (OFED) installed on a supported Linux distribution. Current OFED release is OFED 1.5.2 which can be downloaded from: http://openfabrics.org/downloads/OFED/ofed-1.5.2/OFED-1.5.2.tgz For a list of supported Linux distributions, please see docs/OFED_release_notes.txt in the OFED tgz file. After downloading the tgz file, follow these steps to install OFED and compile the sample code. 1) Extract OFED tgz file: tar xvfz OFED-1.5.2.tgz 2) Install OFED: cd OFED-1.5.2 ./install.pl --all reboot 3) Cd to sample code directory 4) Compile sample code: make To run socket sample: On the server: ./sock_sample On the client: ./sock_sample -c To run RDMA sample: On the server: ./rdma_sample On the client: ./rdma_sample -c You should see this output on successful execution: Server: ./rdma_sample done Client: ./rdma_sample -c 192.168.0.56 Received Hello World Done