Linux密码生成器

　　[lyy@luoyinyou-dev ~]$ su -　　Password:　　[root@luoyinyou-dev ~]# yum install expect　　Loaded plugins: fastestmirror　　Determining fastest mirrors　　* addons: centos.ustc.edu.cn　　* base: centos.ustc.edu.cn　　* extras: centos.ustc.edu