安装yum

1 编辑sources.list
sudo vim /etc/apt/sources.list
2 添加源
在sources.list文件
第一行添加
deb http://archive.ubuntu.com/ubuntu/ trusty universe restricted multiverse
末尾添加
deb http://archive.ubuntu.com/ubuntu/ trusty main universe restricted multiverse
3 更新软件列表
sudo apt-get update
sudo apt-get upgrade
4. 安装包
sudo apt install python-urlgrabber
sudo apt install python-sqlitecachec
sudo apt-get install yum