centos系统下安装python

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下载：

wget -c http://www.python.org/ftp/python/3.1.3/Python-3.1.3.tar.bz2

解压编译安装：

$ tar –jxvf Python-2.5.2.tar.bz2
$ cd Python-2.5.2
$ ./configure
$ make
$ make install
由于centos默认安装有2.4，直接输入python进行的是2.4
# python
Python 2.4.3 (#1, Dec 11 2006, 11:38:52)
[GCC 4.1.1 20061130 (Red Hat 4.1.1-43)] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>>
如下修改可以解决
cd /usr/bin
ll |grep python
ln -s /root/Python-3.1.3/python ./python ///root/Python-3.1.3/python为解压目录
现在输入python显示为3.1的了
[root@chxy bin]# python
Python 3.1.3 (r313:86834, Jan 2 2011, 02:12:38)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>>

参考

http://www.4ucode.com/Study/Topic/981662