RHEL 5.4 版本默认安装了Python 2.4.3 ,因为学习环境需要Python 2.5
RHEL 5.4 版本默认安装了Python 2.4.3 ,因为学习环境需要Python 2.5。
升级步骤:
1.下载源代码?http://www.python.org/ftp/python/2.5.2/Python-2.5.2.tar.bz2
2.? 安装
?? $?bzip2?-d?Python-2.5.2.tar.bz2
???????$?tar??-xvf?Python-2.5.2.tar
?????? $ mv Python-2.5.2? /usr/local/
?????? $ cd Python-2.5.2
?? $ ./configure
?? $ make
?? $ make install
3. 测试
如果直接在命令行下输入python,仍出现的是?Python 2.4.3解释器。
?????? 显示结果:
# 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.
>>>
解决办法:
#cd /usr/bin
#ll |grep python?? //查看该目录下python
#rm -rf python
#ln -s? /usr/local/Python-2.5.2/python ./python? //软链接
???# python
Python 2.5 (r25:51908, Aug? 9 2010, 00:10:31)
????????[GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2
??????? Type "help", "copyright", "credits" or "license" for more information.
???????? >>>
OK!大功告成!呵呵!
?
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