环境查看 修改源文件 /etc/apt/sources.list 备份配置文件后把文件内容替换如下 deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubun…
vim /etc/apt/sources.list deb http://mirrors.163.com/debian/ jessie main non-free contribdeb http://mirrors.163.com/debian/ jessie-updates main non-free contribdeb http://mirrors.163.com/debian/ jessie-backports main non-free contribdeb-src http://mi…