摘要：
备份原来的源避免出错。# cp /etc/apt/sources.list /etc/apt/sources.list.bak修改配置文件# vi /etc/apt/sources... 备份原来的源避免出错。
# cp /etc/apt/sources.list /etc/apt/sources.list.bak
修改配置文件
# vi /etc/apt/sources.list -- 编辑配置文件，在文件最前面添加以下条目
deb http://mirrors.aliyun.com/debian wheezy main contrib non-free deb-src http://mirrors.aliyun.com/debian wheezy main contrib non-free deb http://mirrors.aliyun.com/debian wheezy-updates main contrib non-free deb-src http://mirrors.aliyun.com/debian wheezy-updates main contrib non-free deb http://mirrors.aliyun.com/debian-security wheezy/updates main contrib non-free deb-src http://mirrors.aliyun.com/debian-security wheezy/updates main contrib non-free
更新配置
# apt-get update ---更新软件列表
![Nginx: [warn] the "ssl" directive is deprecated, use the "listen ... ssl" directive instead](https://www.ahaoyw.com/zb_users/upload/2021/04/202104081617891831437922.png)