升级python（linux）

查看系统当前python版本

2: [root@wangyuelou ~]# python

   1:  

   3: Python 2.4.3 (#1, May  5 2011, 16:39:10) 

   4: [GCC 4.1.2 20080704 (Red Hat 4.1.2-50)] on linux2

   5: Type "help", "copyright", "credits" or "license" for more information.

   6: >;>> 

   7: [root@wangyuelou ~]# 

下载新版本的python

1: [root@wangyuelou ~]# wget http://python.org/ftp/python/2.7.2/Python-2.7.2.tgz

 

解压缩 以及编译

   1: [root@wangyuelou ~]# tar xvf Python-2.7.2.tar.bz2 

   2: [root@wangyuelou Python-2.7.2]# ./configure --prefix=/usr/local/python27

   3: [root@wangyuelou Python-2.7.2]# make

   4: [root@wangyuelou Python-2.7.2]# make install

   5: [root@wangyuelou Python-2.7.2]# ls /usr/local/python27/ -al

   6: total 28

   7: drwxr-xr-x  6 root root 4096 Jul 14 00:21 .

   8: drwxr-xr-x 20 root root 4096 Jul 14 00:17 ..

   9: drwxr-xr-x  2 root root 4096 Jul 14 00:21 bin

  10: drwxr-xr-x  3 root root 4096 Jul 14 00:21 include

  11: drwxr-xr-x  4 root root 4096 Jul 14 00:21 lib

  12: drwxr-xr-x  3 root root 4096 Jul 14 00:21 share

覆盖原来的python链接

   1: [root@wangyuelou Python-2.7.2]# mv /usr/bin/python /usr/bin/python_old

   2: [root@wangyuelou Python-2.7.2]# ln -s /usr/local/python27/bin/python /usr/bin/

   3: [root@wangyuelou Python-2.7.2]# python