docker容器内安装yum，vim等命令，以及配置ls指令

• 使用国内镜像

cp /etc/apt/sources.list /etc/apt/sources.list.bak

echo "" > /etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/debian buster main" >> /etc/apt/sources.list ;
echo "deb http://mirrors.aliyun.com/debian-security buster/updates main" >> /etc/apt/sources.list ;
echo "deb http://mirrors.aliyun.com/debian buster-updates main" >> /etc/apt/sources.list ;

• 更新apt-get指令

apt-get update

• 安装yum命令

apt-get install vim