エラーメッセージ
yum -y update
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:
No module named yum
Please install a package which provides this module, or
verify that the module is installed correctly.
It's possible that the above module doesn't match the
current version of Python, which is:
2.7.11 (default, Oct 2 2016, 08:04:49)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)]
If you cannot solve this problem yourself, please go to
the yum faq at:
http://yum.baseurl.org/wiki/Faq
解決方法
yum で使用するpython のバージョンを指定する。
vi /usr/bin/yum
誤： #!/usr/bin/python
正： #!/usr/bin/python.26