系统运维
注意:ip.txt和send_ssh_key.sh必须在同一根目录下
# 根据以下格式写入服务器信息ip.txt,用于免密钥登录
#-----------
# ip:password
#192.168.1.110:7758521
#192.168.1.111:7758521
#192.168.1.112:7758521
#-----------
#!/bin/bash
# 生成ssh key
if [[ ! -f /root/.ssh/id_rsa ]];then
echo gen ssh key
ssh-keygen -t rsa -b 2048 -N \'\' -f /root/.ssh/id_rsa
fi
# 检测是否安装了 expect
if ! expect -v &>/dev/null;then
echo install expect
yum install expect -y
fi
# 循环文件中的ip
for p in $(cat ip.txt|grep -v \'#\');do
ip=$(echo $p|cut -f1 -d:) # 取出当前IP
password=$(echo $p|cut -f2 -d:) # 取出当前密码
# expect 交互过程
expect -c
spawn ssh-copy-id -i /root/.ssh/id_rsa.pub root@$ip
expect {
\\*yes/no*\\ {send \\yes\\r\\; exp_continue}
\\*password*\\ {send \\$password\\r\\; exp_continue}
\\*Password*\\ {send \\$password\\r\\;}
}