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  • Centos6下Python3的编译安装

    Python 3.5源码编译安装

     

    系统环境:CentOS 6.8-Minimal

    安装Python依赖包:

    [root@Python src]# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make
    

    下载Python源码包:

    [root@Python src]# wget http://mirrors.sohu.com/python/3.5.2/Python-3.5.2.tgz
    

    编译、安装:

    [root@Python /]# tar -xzvf /usr/local/src/Python-3.5.2.tgz -C /usr/local/src/
    [root@Python /]# cd /usr/local/src/Python-3.5.2
    [root@Python Python-3.5.2]# ./configure --prefix=/usr/local/python
    [root@Python Python-3.5.2]# make -j 4
    [root@Python Python-3.5.2]# make install
    

    查看扩展安装包:

    [root@Python /]# /usr/local/python/bin/pip3 list pip (8.1.1) setuptools (20.10.1)

    添加Python命令到环境变量:

    [root@Python /]# vim ~/.bash_profile
    
    PATH=$PATH:$HOME/bin
    改为:
    PATH=$PATH:$HOME/bin:/usr/local/python/bin
    

    使环境变量生效:

    [root@Python /]# source ~/.bash_profile
    

    查看Python版本:

    [root@Python /]# python3 -V
    Python 3.5.2
    

    更改系统默认python版本为Python3.5

    [root@Python /]# mv /usr/bin/python /usr/bin/python2.6
    [root@Python /]# ln -s /usr/local/python/bin/python3.5 /usr/bin/python
    

    核对Python版本:

    [root@Python /]# python -V
    Python 3.5.2
    

    解决python升级后,YUM不能正常工作的问题:

    #vi /usr/bin/yum
    

      将文件头部的   #!/usr/bin/python   改成   #!/usr/bin/python2.6

    [THE END]

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  • 原文地址:https://www.cnblogs.com/czalinux/p/6608920.html
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