Centos6下Python3的编译安装
本文转载自 Centos6下Python3的编译安装
系统环境:CentOS 6.8-Minimal
安装Python依赖包:
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[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:
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[root@Python src]# wget http://mirrors.sohu.com/python/3.5.2/Python-3.5.2.tgz |
编译、安装:
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[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:
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[root@Python /]# vim ~/.bash_profilePATH=$PATH:$HOME/bin改为:PATH=$PATH:$HOME/bin:/usr/local/python/bin |
使环境变量生效:
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[root@Python /]# source ~/.bash_profile |
查看Python版本:
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[root@Python /]# python3 -VPython 3.5.2 |
更改系统默认python版本为Python3.5
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[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:
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[root@Python /]# python -VPython 3.5.2 |
解决python升级后,YUM不能正常工作的问题:
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#vi /usr/bin/yum |
将文件头部的 #!/usr/bin/python 改成 #!/usr/bin/python2.6

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