Centos6下Python3的編譯安裝


Python 3.5源碼編譯安裝

 

系統環境:CentOS 6.8-Minimal

安裝Python依賴包:

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

下載Python源碼包:

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

編譯、安裝:

[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

查看擴展安裝包:

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

添加Python命令到環境變量:

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

PATH=$PATH:$HOME/bin
改為:
PATH=$PATH:$HOME/bin:/usr/local/python/bin

使環境變量生效:

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

查看Python版本:

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

更改系統默認python版本為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

核對Python版本:

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

解決python升級后,YUM不能正常工作的問題:

#vi /usr/bin/yum

  將文件頭部的   #!/usr/bin/python   改成   #!/usr/bin/python2.6

 

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