互信配置方式

方法1：

$ssh-keygen -t rsa（一直y）
$cat ~/.ssh/id_*.pub
echo "xxxxxx" > .ssh/.ssh/authorized_keys

方法2：

# 生成id_rsa.pub：
ssh-keygen -t rsa #一路回车
# 手工ssh互信配置：
/usr/bin/ssh-copy-id -i /home/admin/.ssh/id_rsa.pub ningyue.lt@11.166.79.27
#没有ssh-copy-id直接拷贝文件：
cat ~/.ssh/id_*.pub|ssh oracle@172.30.215.16 'cat>>.ssh/authorized_keys'

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