ubuntu换源报错,ubuntu换源有什么用
1.换源
$ cd etc/apt
$ sudo cp source.list source.list.bak
$ sudo vim source.list
把文本里的源全部注释,然后复制如下清华源
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
2. python 安装软件或库 加清华源、豆瓣源,如安装requests
pip install requests -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install requests -i http://pypi.douban.com/simple --trusted-host=pypi.douban.com