更換系統源

1 . 備份

cd /etc/apt sudo cp sources-list sources-list.bak

2 . 編輯
這里用了阿里云的源

sudo vi sources-list

將文件內容替換成以下：

deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse

3 . 更新

sudo apt-get updata

更新pip源

1 . 可以直接在pip時加入參數
比如：

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple mysqldb

2 . 修改默認設置
在根目錄下創建.pip目錄，創建pip.conf,并寫入

[global]index-url = http://pypi.douban.com/simple[install]trusted-host=pypi.douban.com

總結

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