[TOC] ``` cat >> ~/.ssh/config <<EOF Host ceph-moni-1 Hostname ceph-moni-1 User ${username} Host ceph-moni-1 Hostname ceph-moni-1 User ${username} Host ceph-osd-0 Hostname cceph-osd-0 User ${username} Host ceph-osd-1 Hostname cceph-osd-1 User ${username} Host ceph-osd-2 Hostname cceph-osd-2 User ${username} EOF ```