1.ubuntu16.04更换和配置阿里源
1.1找到并备份源文件
$ mv /etc/apt/sources.list /etc/apt/sources.list_bak
$ vim /etc/apt/sources.list
1.2替换源文件
# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial universe deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties deb http://archive.canonical.com/ubuntu xenial partner deb-src http://archive.canonical.com/ubuntu xenial partner deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse
其他操作系统更换源参考https://developer.aliyun.com/mirror/
1.3更新配置
$ sudo apt-get update
2.解决pip安装速度很慢的问题
2.1国内源：
清华：https://pypi.tuna.tsinghua.edu.cn/simple
阿里云：http://mirrors.aliyun.com/pypi/simple/
豆瓣：http://pypi.douban.com/simple/
2.2临时使用：
可以在使用pip的时候加参数-i https://pypi.tuna.tsinghua.edu.cn/simple
例如：pip install -i https://pypi.tuna.tsinghua.edu.cn/simple djangorestframework，这样就会从清华这边的镜像去安装djangorestframework库。
2.3永久修改，一劳永逸：
Linux下，修改 ~/.pip/pip.conf (没有就创建一个文件夹及文件。文件夹要加“.”，表示是隐藏文件夹)
内容如下：
[global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
[install]
trusted-host=mirrors.aliyun.com
3.Ubuntu16.04上安装MySQL
3.1更新一下软件源以获得最新版本：
$ sudo apt-get update
$ sudo apt-get install mysql-server
3.2启动和关闭mysql服务器
$ service mysql start
$ service mysql stop
3.3确认是否启动成功，mysql节点处于LISTEN状态表示启动成功
$ sudo netstat -tap | grep mysql