centos6.5下升级python版本为python2.7

新项目上线,python的版本问题折腾了一些时间,记录下来,留点痕迹。python

CentOS 6.6自带的是Python 2.6.6,而项目中使用的语言检测须要python2.7环境的支持。sql

yum中最新的也是Python 2.6.6,只能下载Python 2.7.8的源代码本身编译安装。python2.7

操做步骤以下:spa

1)安装devtoolsetcode

yum groupinstall "Development tools"

2)安装编译Python须要的包包sqlite

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

3)下载并解压Python 2.7.8的源代码blog

cd /opt
wget --no-check-certificate https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tar.xz
tar xf Python-2.7.8.tar.xz
cd Python-2.7.8

4)编译与安装Python 2.7.8ip

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

5)将python命令指向Python 2.7.8ssl

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

6)检查Python版本get

sh
sh-4.1# python -V
Python 2.7.8

 至此,服务运行所须要的python环境升级完毕。

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