注：文中所写的安装过程均在CentOS6.5 x86下通过测试，安装的Python版本为2.7.12，Pip版本为8.1.2
主要参考博文：http://bicofino.io/2014/01/16/installing-python-2-dot-7-6-on-centos-6-dot-5/
CentOS6.5自带的Python版本为2.6.6，本文主要介绍了Python2.7和Pip的安装方法：
一、安装Python-2.7.12
1.安装Development Tools
yum groupinstall -y 'development tools'
2安装SSL、bz2、zlib来为Python的安装做好准备工作
yum install -y zlib-devel bzip2-devel openssl-devel xz-libs wget
3.下载Python-2.7.12.tar.xz并解压
1 wget https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tar.xz
2 xz -d Python-2.7.8.tar.xz
3 tar -xvf Python-2.7.8.tar
4.安装Python-2.7.12
1 # Enter the directory:
2 cd Python-2.7.12
3
4 # Run the configure:
5 ./configure --prefix=/usr/local
6
7 # compile and install it:
8 make
9 make altinstall
10
11 # Checking Python version:
12 python2.7 -V
二、安装Pip-8.1.2
1.安装setuptools（下载链接可从https://pypi.python.org/pypi/setuptools#code-of-conduct寻找）
1 #Download setuptools-25.1.6.tar.gz
2 wget --no-check-certificate https://pypi.python.org/packages/1f/7a/6b239a65d452b04ad8068193ae313b386e6fc745b92cd4584fccebecebf0/setuptools-25.1.6.tar.gz
3
4 # Extract the files:
5 tar -xvf setuptools-25.1.6.tar.gz
6 cd setuptools-25.1.6
7
8 # Install setuptools using the Python 2.7.12:
9 python2.7 setup.py install
2.安装pip
curl https://bootstrap.pypa.io/get-pip.py | python2.7 -
补充：
关于make install和make altinstall的区别：http://*.com/questions/16018463/difference-in-details-between-make-install-and-make-altinstall