linux下python 2.4升级到 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!