wget https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tar.xz 
tar xf Python-2.7.12.tar.xz
cd Python-2.7.12
./configure --enable-shared --enable-loadable-sqlite-extensions --with-zlib

vim ./Modules/Setup

#zlib zlibmodule.c -I$(prefix)/include -L$(exec_prefix)/lib -lz，去掉前面的注释符"#",然后进行安装和编译
make && make install

mv /usr/bin/python /usr/bin/python2.6.6
ln -s /usr/local/bin/python2.7 /usr/bin/python
vim /usr/bin/yum

python -v
error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory

echo "/usr/bin/lib" >> /etc/ld.so.conf
/sbin/ldconfig
/sbin/ldconfig -v

cd /usr/local/src
wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py
whereis pip

ln -s /usr/local/bin/pip2.7 /usr/bin/pip

pip install glue