批量免密

安装 expect

[root@localhost ~]# yum install expect
[root@localhost ~]# cat 1.sh 
#!/bin/bash
SERVERS="192.168.1.180 192.168.1.170 192.168.1.178 192.168.1.186 192.168.1.190 192.168.1.174 192.168.1.175 192.168.1.183 192.168.1.173 192.168.1.181 192.168.1.184 192.168.1.179 192.168.1.177 192.168.1.169 192.168.1.189 192.168.1.185 192.168.1.182 192.168.1.167 192.168.1.163 192.168.1.164 192.168.1.162 192.168.1.165 192.168.1.167 192.168.1.168 192.168.1.193 192.168.1.195 192.168.1.191 192.168.1.194 192.168.1.62 192.168.1.68 192.168.1.198 192.168.1.57 192.168.1.143 192.168.1.71 192.168.1.13 192.168.1.80 192.168.1.142 192.168.1.64 192.168.1.66 192.168.1.11 192.168.1.63 192.168.1.147 192.168.1.14 192.168.1.9 192.168.1.87 192.168.1.67 192.168.1.61 192.168.1.12 192.168.1.78 192.168.1.144 192.168.1.253 192.168.1.138 192.168.1.52 192.168.1.75 192.168.1.212 192.168.1.65 192.168.1.93 192.168.1.58 192.168.1.209 192.168.1.72 192.168.1.41 192.168.1.54 192.168.1.152 192.168.1.51 192.168.1.214 192.168.1.60 192.168.1.139 192.168.1.55 192.168.1.210 192.168.1.153 192.168.1.137 192.168.1.211 192.168.1.49 192.168.1.59 192.168.1.53 "
PASSWORD=GR2df018629.
auto_ssh_copy_id() {
expect -c "set timeout -1;
spawn ssh-copy-id $1;
expect {
*(yes/no)* {send -- yes\r;exp_continue;}
*assword:* {send -- $2\r;exp_continue;}
eof {exit 0;}
}";
}
ssh_copy_id_to_all() {
for SERVER in $SERVERS
do
auto_ssh_copy_id $SERVER $PASSWORD
done
}
ssh_copy_id_to_all