如何检查安装在 osx 和 centos 上的所有 python 版本 [英] How to check all versions of python installed on osx and centos

问题描述

今天刚开始搭建centos服务器，发现centos上python的默认版本设置为2.6.6.我想改用 python 2.7.我搜索了一下，发现 2.6.6 被 YUM 等系统工具使用，所以我不应该篡改它.然后我在我的 Mac 上打开一个终端，发现我安装了 python 2.6.8 和 2.7.5 和 3.3.3.对不起，故事很长.总之我只是想知道如何查找所有安装在centos上的python版本，所以我不小心安装了两次.

I just started setting up a centos server today and noticed that the default version of python on centos is set to 2.6.6. I want to use python 2.7 instead. I googled around and found that 2.6.6 is used by system tools such as YUM so I should not tamper with it. Then I opened up a terminal on my mac and found that I had python 2.6.8 and 2.7.5 and 3.3.3 installed. Sorry for the long story. In short I just want to know how to lookup all the version of python installed on centos so I don't accidentally install it twice.

推荐答案

使用，

yum list installed

命令查找你安装的包.

command to find the packages you installed.

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