命令：sudo vim /etc/apt/sources.list
阿里源：
deb http://mirrors.aliyun.com/ubuntu/ zesty main multiverse restricted universe deb http://mirrors.aliyun.com/ubuntu/ zesty-backports main multiverse restricted universe deb http://mirrors.aliyun.com/ubuntu/ zesty-proposed main multiverse restricted universe deb http://mirrors.aliyun.com/ubuntu/ zesty-security main multiverse restricted universe deb http://mirrors.aliyun.com/ubuntu/ zesty-updates main multiverse restricted universe deb-src http://mirrors.aliyun.com/ubuntu/ zesty main multiverse restricted universe deb-src http://mirrors.aliyun.com/ubuntu/ zesty-backports main multiverse restricted universe deb-src http://mirrors.aliyun.com/ubuntu/ zesty-proposed main multiverse restricted universe deb-src http://mirrors.aliyun.com/ubuntu/ zesty-security main multiverse restricted universe deb-src http://mirrors.aliyun.com/ubuntu/ zesty-updates main multiverse restricted universe
更新：sudo apt-get update
查看codename： lsb_release -a （上边是zesty）
确认阿里源支持：http://mirrors.aliyun.com/ubuntu/dists/