一 apt使用阿里源

1 首先进行备份

cp /etc/apt/sources.list /etc/apt/sources.list.bac

2 然后编辑sources.list文件

vim /etc/apt/sources.list

删除文件中原有内容，然后挑一个喜欢的源，复制粘贴到/etc/apt/sources.list即可。

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

3 别忘了更新

执行

sudo apt update

进行软件列表的更新

然后可以执行

sudo apt upgrade

进行软件升级

二 pip使用阿里源

mkdir ~/.pip & vim ~/.pip/pip.conf

输入

[global]
trusted-host=mirrors.aliyun.com
index-url=https://mirrors.aliyun.com/pypi/simple/