centos6
查看是否安装openssh和rsync
rpm -qa | grep openssh
rpm -qa | grep rsync
安装
sudo apt-get install openssh-server
生成无密密钥对
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
# -t rsa：加密类型，可以为'rsa'和'dsa'
传入密钥对
ssh-copy-id root@192.168.0.1
rpm -qa | grep openssh
rpm -qa | grep rsync
sudo apt-get install openssh-server
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
# -t rsa：加密类型，可以为'rsa'和'dsa'
ssh-copy-id root@192.168.0.1