openmpi 설치 방법 Open MPI:Open Source High Performance Computing master PC 하나 slave PC 하나 총 2개 장비를 셋팅을 하자. master PC 에도 키를 우선 만들자. $ ssh-keygen -t rsa -P "" Generating public/private rsa key pair. Enter file in which to save the key (/home/sim716/.ssh/id_rsa): /home/test6/.ssh/id_rsa already exists. Overwrite (y/n)? y Your identification has been saved in /home/test6/.ssh/id_rsa. Your public key ha..