centos下python2.6升级到python3.5

yum install gcc gcc-c++ zlib-devel

1、下载python3.5

wget https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tgz

tar zxvf Python-3.5.0.tgz

cd Python-3.5.0

./configure --prefix=/usr/local/python3.5

make

make install

2、下载并安装setuptools 18.5

wget https://bootstrap.pypa.io/ez_setup.py -O - | python

3、备份原有python命令执行文件

mv /usr/bin/python /usr/bin/pythonbak

4、创建新python软连接

ln -s /usr/local/python3.5/bin/python3.5 /usr/bin/python

5、查看python版本

[root@centos ~]# python

Python 3.5.0 (default, Nov 21 2015, 13:47:09)

[GCC 4.4.7 20120313 (Red Hat 4.4.7-16)] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>>

6、修改yum配置文件

(责任编辑：IT)