CentOS8_Install_Python2
1、查询python2:
[root@centos8 ~]# whereis python2
2、安装python2:
[root@centos8 ~]# dnf install python2
3、将python2设置为默认python（houdini18.0.416需要python2.7）：
[root@centos8 ~]# whereis python2
[root@centos8 ~]# ln -s /usr/bin/python2 /bin/python
4、检查结果：
[root@centos8 ~]# python
Python 2.7.16 (default, Nov 17 2019, 00:07:27)
[GCC 8.3.1 20190507 (Red Hat 8.3.1-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
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