Linux CentOS 7，如何将Python2.7设置为默认Python版本？ [英] Linux CentOS 7, how to set Python2.7 as default Python version?

问题描述

我正在使用运行Linux CentOS 7的笔记本电脑。
我安装了Python2.7，然后又安装了Anaconda，后者安装了Python3.5.2

I'm using a laptop running Linux CentOS 7. I installed Python2.7, and then I installed Anaconda, which installed Python3.5.2

我希望我的系统默认使用Python2.7，但是如果我从终端输入 python ，它将从Anaconda启动Python3.5.2：

I want my system to use Python2.7 as default, but if I type python from my terminal, it launches Python3.5.2 from Anaconda:

[davide@opennet-33-58 ~]$ python
Python 3.5.2 |Anaconda custom (64-bit)| (default, Jul  2 2016, 17:53:06) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 

我试图删除Python3，但它仍然存在...

I tried to remove Python3 but it's still there...

如何将Python2.7设置为计算机上的默认Python版本？

谢谢

推荐答案

也许您想熟悉替代品

替代项创建，删除，维护和显示有关构成替代项系统的符号链接的信息。替代系统是Debian替代系统的重新实现。

alternatives creates, removes, maintains and displays information about the symbolic links comprising the alternatives system. The alternatives system is a reimplementation of the Debian alternatives system.

查看此内容线程，在这里我快速遍历基本命令以实现您所请求的功能，还可以查看 替代项联机帮助页

Check out this thread where i quickly go over the basic commands to achieve what you are requesting and also have a look at alternatives manpages

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