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CentOS 7 安装python3.6.1

 

说明:CentOS 7最小化安装,默认Python 2.7 ,开发需要安装python3.6.1 。

 

1、检查python版本

[root@bogon ~]# python -V
Python 2.7.5
[root@bogon ~]#

2、安装必要的库文件

  # yum -y install zlib zlib-devel gcc

3、下载python3.6.1到/usr/local目录

  # wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz

4、解压安装

  # xz -d Python-3.6.1.tar.xz

  # tar -xvf Python-3.6.1.tar

  # cd Python-3.6.1/

  # ./configure prefix=/usr/local/python3

  # make && make install

5、永久添加环境变量

  # vim/etc/profile

  添加 export PATH="$PATH:/usr/local/python3/bin"

  添加完成后 source /etc/profile

  **临时添加环境变量为 # export PATH="$PATH:/usr/local/python3/bin" 终端结束后环境变量生效

6、打开python3.6

[root@bogon ~]# python3
Python 3.6.1 (default, May 19 2017, 04:11:00)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>

7、修改/usr/bin/python链接

  # cd/usr/bin

  # mv python python.bak

  # ln -s /usr/local/python3/bin/python3.6 /usr/bin/python

  # ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3

  修改后可直接用 # python打开python3

 

CentOS 7 安装python3.6.1