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。