title: -bash: /usr/bin/yum: /usr/bin/python: bad interpreter: Permission denied
body: <p>I am new in centos.I am try to do an application on it.For my application I need to install python 2.7.But the default one on server was python 2.6. So tried to upgrade the version .And accidentally I deleted the folder /usr/bin/python.After that I Installed python 2.7 through <strong>make install</strong>.I created the folder again /usr/bin/python and run command  <strong>sudo ln -s /usr/bin/python2.7 /usr/bin/python</strong>.  After this when I tried to run <strong>YUM commands</strong> I am getting the error </p>
  
  <p><strong>-bash: /usr/bin/yum: /usr/bin/python: bad interpreter: Permission denied</strong></p>
  
  <p>drwxrwxrwx 2 root root        4096 Mar  8 00:19 python</p>
  
  <p>this is permission showing for the directory /usr/bin/python</p>