源码安装python2.7
# tar -zxf Python-2.7.11.tgz# cd Python-2.7.11
# ./configure && make && make install
# /usr/local/bin/python
Python 2.7.11 (default, Jan2 2017, 12:16:39)
on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
# python
Python 2.6.6 (r266:84292, Nov 22 2013, 12:16:22)
on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> exit()
#
# cd ..
# cp /usr/bin/python /usr/bin/python.bak.20170102
#
# rm /usr/bin/python
rm: remove regular file `/usr/bin/python'? y
#
# ln -s /usr/local/bin/python
python python2.7 python2-config
python2 python2.7-configpython-config
# ln -s /usr/local/bin/python2.7 /usr/bin/python
#
# python
Python 2.7.11 (default, Jan2 2017, 12:16:39)
on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> exit()
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