对准时间 $ yum install -y ntpdate $ yes | cp -f /usr/share/zoneinfo/Asia/Shanghai /etc/localtime $ ntpdate us.pool.ntp.org 安装依赖包 $ sudo yum install -y -q openssh-server openssh-clients gcc make autoconf automake libtool pam-devel 获取 google 两步验证工具源码 $ git clone htt…