Python2.6升级到2.7

#python  -V

Python 2.6.6

1.下载Python-2.7.3

#wget http://python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2

#tar -jxvf Python-2.7.3.tar.bz2

#cd Python-2.7.3

#./configure && make all && make install && make clean  && make distclean

#/usr/local/bin/python2.7 -V

mv /usr/bin/python /usr/bin/python2.6.6

ln -s /usr/local/bin/python2.7 /usr/bin/python

#查看版本

python -V

#vi /usr/bin/yum

将文件头部的

#!/usr/bin/python

改成

#!/usr/bin/python2.6.6

安装setuptools

wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz

tar zxvf setuptools-0.6c11.tar.gz

cd setuptools-0.6c11

python setup.py build

python setup.py install

#安装pip程序

wget --no-check-certificate https://github.com/pypa/pip/archive/1.5.5.tar.gz

注意：wget获取https的时候要加上：--no-check-certificate

tar zvxf 1.5.5.tar.gz    #解压文件

cd pip-1.5.5/

python setup.py install