没有 pip 命令

13 wget https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz
14 ls
15 tar xvf pip-1.5.4.tar.gz
16 ls
17 python setup.py install
18 ls
19 cd pip-1.5.4/
20 python setup.py install
21 yum install python-setuptools
22 python setup.py install