CentOS python升级到2.7版本操作过程

4rwer2

下载python2.7
[iyunv@kypulo]# wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tgz

安装Python2.7

[iyunv@kypulo]# tar -xzvf Python-2.7.8.tgz
[iyunv@kypulo python]# cd Python-2.7.8
[iyunv@kypulo Python-2.7.8]# ./configure --prefix=/usr/local/python2.7
[iyunv@kypulo Python-2.7.8]# make & make install

python2.7安装完成后，将phtyon链接到python2.7中
[iyunv@kypulo bin]# python
python            python2.6         python2.7-config  python-config
python2           python2.7         python2-config   
[iyunv@kypulo bin]# python2.7
Python 2.7.8 (default, Sep 16 2014, 22:52:15)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
[iyunv@kypulo bin]# ln -s /usr/bin/python2.7 /usr/bin/python
ln: 创建符号链接 "/usr/bin/python": 文件已存在
[iyunv@kypulo bin]# rm -rf /usr/bin/python
[iyunv@kypulo bin]# ln -s /usr/bin/python2.7 /usr/bin/python
[iyunv@kypulo ~]# python
Python 2.7.8 (default, Sep 16 2014, 22:52:15)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>