CentOS 6 安装 Python3.5-11275984
安装Python3.5[*] 准备编译环境
yum groupinstall 'Development tools'
yum install yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel
readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
2.下载安装包
wget 3.编译
tar xf Python-3.5.0.tgz
cd Python-3.5.0
./configure --prefix=/usr/local/python3
make
make install
4.设置环境变量
echo'export PATH=#PATH:/usr/local/python3/bin' >>~/.bashrc 5.替换python2
rm /usr/bin/python
ln -sv /usr/local/bin/python3.5/usr/bin/python
(这样做的目的是在系统任意目录下敲入python调用的都是python3.5的命令，而非系统默认的2.6.6。但是这样会导致依赖python2.6的yum不能使用因此还要修改yum配置)
6.更新yum配置
ll /usr/bin | grep python (这里的/usr/bin目录下面包含以下几个文件的（ll | grep python），其中有个python2.6，只需要指定yum配置的python指向这里)
vim /usr/bin/yum 通过vim修改yum配置，#!/usr/bin/python改为#!/usr/bin/python2.6,保存退出，完成python3的安装
7.运行python
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