无密钥登录的自动脚本实现（ssh-copy-id、expect免交互输入脚本）

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无密钥登录的自动脚本实现：

vim auto_ssh.sh

#!/usr/bin/expect set timeout 10 set username [lindex $argv 0] set password [lindex $argv 1] set hostname [lindex $argv 2] spawn ssh-copy-id -i /root/.ssh/id_rsa.pub $username@$hostname expect { #first connect, no public key in ~/.ssh/known_hosts "Are you sure you want to continue connecting (yes/no)?" { send "yes\r" expect "password:" send "$password\r" } #already has public key in ~/.ssh/known_hosts "password:" { send "$password\r" } "Now try logging into the machine" { #it has authorized, do nothing! } } expect eof

chmod 777 auto_ssh.sh

然后执行下述命令即可。

./auto_ssh.sh root 123456 192.168.10.162

试验结果：







162机器上传看：





成功！