【Ubuntu on windows】Package ‘xxxx‘ has no installation candidate

问题描述

操作系统：Ubuntu on windows
问题描述：在windows内置的linux子系统中，执行apt install python3-pip时报出E: Package ‘python3-pip’ has no installation candidate 错误

截图：

---

解析

当前操作系统包资源库中没有可以安装的相关选项

---

解决方法

1. 执行 vim /etc/apt/sources.list ¹
2. 注释掉里面原有的内容
3. 加入下面的资源库²

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/ubuntu/
bionic-security main restricted universe multiverse deb-src
http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted
universe multiverse deb http://mirrors.aliyun.com/ubuntu/
bionic-updates main restricted universe multiverse deb-src
http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted
universe multiverse deb http://mirrors.aliyun.com/ubuntu/
bionic-backports main restricted universe multiverse deb-src
http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted
universe multiverse deb http://mirrors.aliyun.com/ubuntu/
bionic-proposed main restricted universe multiverse deb-src
http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted
universe multiverse

4. 保存文件
5. 执行sudo apt-get update ³（大概需要几分钟时间下载）
6. 执行sudo apt-get upgrade ⁴（大概需要几分钟时间下载）
7. 继续执行apt install python3-pip成功

---

1. /etc/apt/sources.list 是包管理工具 apt 所用的记录软件包仓库位置的配置文件。参考资料 ↩︎

2. 阿里云的开源镜像地址 ↩︎

3. 从服务器拉取sources.list中定义的可用包到本地 ↩︎

4. 更新本地的软件列表 ↩︎