CentOS6.5 Installing the Python environment

Install Python 2.7.9 on Linux CentOS 6.6 This article applies to Centos6.5

CentOS 6.6 comes with Python 2.6.6, while compiling LLVM requires more than Python 2.7.

Checking for Python .../usr/bin/pythonchecking for Python >= 2.7 ... Not foundconfigure:error:found python 2.6.6 (/usr/bin/python); Required >= 2.7

The newest in Yum is also Python 2.6.6, which can only download Python 2.7.9 source code to compile and install itself.

The procedure is as follows:

1) Install Devtoolset

Yum Groupinstall "Development tools"

2) Install the packages needed to compile Python

Yum install zlib-devel yum install bzip2-devel yum install openssl-devel yum install ncurses-devel yum Install SQL Ite-devel

3) Download and unzip the source code of the Python 2.7.9

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.t AR.XZ CD Python-2.7.9

4) Compiling and installing Python 2.7.9

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

5) Point python command to Python 2.7.9

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

6) Check Python version

SH sh-4.1# python-v python 2.7.9

CentOS6.5 Installing the Python environment