生成密钥文件

ssh-keygen

安装expect

yum -y install expect

脚本

#!/bin/bash

#密码
password=Admin@123

for i in {11..20}
do
  host="172.17.32.$i"
 /usr/bin/expect <<-EOF

spawn ssh-copy-id root@$host

set timeout 300

expect {
"(yes/no)?" {
   send "yes\n"
   expect "*assword:" { send "$password\r"}
  }
  "*assword:" {
   send "$password\n"
  }
}

expect eof

EOF
 
done