在Linux CentOS 6.6上安装Python 2.7.9

checking for python... /usr/bin/python
checking for python >= 2.7... not found
configure: error: found python 2.6.6 (/usr/bin/python); required >= 2.7

yum groupinstall "Development tools"

yum install zlib-devel
yum install bzip2-devel
yum install openssl-devel
yum install ncurses-devel
yum install sqlite-devel

cd /opt
wget --no-check-certificate https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tar.xz
tar xf Python-2.7.9.tar.xz
cd Python-2.7.9

./configure --prefix=/usr/local
make && make altinstall

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

sh
sh-4.1# python -V
Python 2.7.9