centos 安装python2.7

安装pip

sudo yum -y install epel-release
sudo yum -y install python-pip

下载解压Python-2.7.3

#wget http://python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2
#tar -jxvf Python-2.7.3.tar.bz2  

安装

#cd Python-2.7.3
#./configure
#make all
#make install
#make clean
#make distclean  

建立软连接，使系统默认的 python指向 python2.7

#mv /usr/bin/python /usr/bin/python2.6.6
#ln -s /usr/local/bin/python2.7 /usr/bin/python  

兼容问题

#vi /usr/bin/yum  

将文件头部的
#!/usr/bin/python

改成
#!/usr/bin/python2.6.6

配置iBus

#vi /usr/bin/ibus-setup  

把exec python 改为 exec python2.6 保存，退出。