day4 linux安装python

linux 安装 python
centos6 默认安装的是2.6，如果需要安装更高版本需要手动下载安装

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下载源码包
wget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz

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准备安装环境
yum install gcc-* glibc-* make -y

yum groupinstall "开发工具"
yum groupinstall "Development"

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解包
tar xvf Python-3.5.2.tgz

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切换到安装路径下
cd Python-3.5.2

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执行configure脚本，添加编译参数，例如-prefix 指定安装路径
./configure --prefix=/user/local/python3.5

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编译
make

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安装
make install

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整体安装代码

wget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz
yum install gcc-* glibc-* make -y
tar xvf Python-3.5.2.tgz
cd Python-3.5.2
./configure --prefix=/user/local/python3.5
make
make install

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echo $PATH 查看当前的环境变量。复制过来。最后追加python3.5的启动项
在/etc/profile中加入环境变量的更改。