首先生成本機密鑰
本機執行命令: ssh-keygen -t rsa
一路回車
在/root/.ssh生成了id_rsa和id_rsa.pub,我們要用這個id_rsa.pub
2.安裝expect
yum -y install expect
3.用腳本把密碼拷貝過去
#!/bin/bash ###############需要同步ssh的設備和密碼######### ip=( 192.168.132.130 192.168.132.131 ) passwd=123456 ##############本機生成ssh公鑰#################### cat /root/.ssh/id_rsa.pub>/root/.ssh/authorized_keys #############在遠程主機創建/root/.ssh########### for ip in in ${ip[@]} do expect -c " spawn ssh root@$ip \"mkdir /root/.ssh\" expect { \"*yes/no*\" { send \"yes\r\";exp_continue } \"*password*\" { send \"$passwd\r\";exp_continue } \"*password*\" { send \"$passwd\r\"; } } " expect -c " spawn scp /root/.ssh/authorized_keys root@$ip:/root/.ssh/ expect { \"*yes/no*\" { send \"yes\r\";exp_continue } \"*password*\" { send \"$passwd\r\";exp_continue } \"*password*\" { send \"$passwd\r\"; } } " done
4.執行腳本,然後就可以直接ssh IP 進入IP列表中的主機了