cat >> /etc/hosts << EOF
192.168.58.140 ceph-admin
192.168.58.141 ceph-1
192.168.58.142 ceph-2
192.168.58.143 ceph-3
192.168.58.144 ceph-client
EOF
cat >> /etc/hosts << EOF
192.168.58.140 ceph-admin
192.168.58.141 ceph-1
192.168.58.142 ceph-2
192.168.58.143 ceph-3
192.168.58.144 ceph-client
EOF