[root@server /]# tar -zxf Python-2.7.11.tgz
[root@server /]# cd Python-2.7.11
[root@server /]# ./configure && make && make install
[root@server usr]# /usr/local/bin/python
Python 2.7.11 (default, Jan 2 2017, 12:16:39)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
[root@server usr]# python
Python 2.6.6 (r266:84292, Nov 22 2013, 12:16:22)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> exit()
[root@server usr]#
[root@server usr]# cd ..
[root@server /]# cp /usr/bin/python /usr/bin/python.bak.20170102
[root@server /]#
[root@server /]# rm /usr/bin/python
rm: remove regular file `/usr/bin/python'? y
[root@server /]#
[root@server /]# ln -s /usr/local/bin/python
python python2.7 python2-config
python2 python2.7-config python-config
[root@server /]# ln -s /usr/local/bin/python2.7 /usr/bin/python
[root@server /]#
[root@server /]# python
Python 2.7.11 (default, Jan 2 2017, 12:16:39)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> exit()
