换源vi /etc/apt/sources.listdeb https://mirrors.ustc.edu.cn/debian stretch main contrib non-free deb https://mirrors.ustc.edu.cn/debian stretch-updates main contrib non-free deb https://mirrors.ustc....
说明：Google Compute Engine创建的VM实例（以下简称GCE）默认ssh key登陆并禁用了root。开启会降低登陆安全性开启步骤1.在GCE VM实例列表中，选择“在浏览器窗口中打开”访问实例2.切换到root账户sudo su3.修改SSH配置文件/etc/ssh/sshd_configvi/etc/ssh/sshd_config4.找到PermitRootLogin和...