CentOS6系统安装Python2.7 - Yum

简介

CentOS系统安装Python2.7有两种方式:

1. 源码安装
2. YUM安装

网上大部分教程都是通过源码安装，首先安装比较麻烦，源码安装后还不包含pip，setuptools等工具，需要单独安装。安装过程还会碰到各种疑难杂症。
YUM安装，CentOS6版本默认没有python27的rpm包，需要通过其他第三方repo获取安装包。

源码安装

# wget https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tgz
# tar xf Python-2.7.12.tgz
# cd Python-2.7.12
# ./configure --prefix=/usr/local/python27
# make
# make install

YUM安装

需要使用到RHEL/CentOS提供的SCL源（软件集）

配置 SCL 源

# yum install centos-release-SCL
# yum install scl-utils-build
# yum --disablerepo="*" --enablerepo="centos-sclo-rh" list
# yum install python27 -y

配置Python27以来的系统模块

# find / -name libpython2.7.so.1.0
/opt/rh/python27/root/usr/lib64/libpython2.7.so.1.0
# echo '/opt/rh/python27/root/usr/lib64/' > /etc/ld.so.conf.d/python27.conf
# /sbin/ldconfig
# /sbin/ldconfig –v

验证Python27

# /opt/rh/python27/root/usr/bin/python2.7
Python 2.7.8 (default, Oct 22 2016, 09:02:55)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>