下載python2.7
[root@kypulo]# wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tgz
安裝Python2.7
[root@kypulo]# tar -xzvf Python-2.7.8.tgz
[root@kypulo python]# cd Python-2.7.8
[root@kypulo Python-2.7.8]# ./configure --prefix=/usr/local/python2.7
[root@kypulo Python-2.7.8]# make & make install
python2.7安裝完成後，將phtyon鏈接到python2.7中
[root@kypulo bin]# python
python python2.6 python2.7-config python-config
python2 python2.7 python2-config
[root@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()
[root@kypulo bin]# ln -s /usr/bin/python2.7 /usr/bin/python
ln: 創建符號鏈接 "/usr/bin/python": 文件已存在
[root@kypulo bin]# rm -rf /usr/bin/python
[root@kypulo bin]# ln -s /usr/bin/python2.7 /usr/bin/python
[root@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.
>>>