text: On Red Hat Enterprise Linux (RHEL), the oc tool is available as an RPM file and installable by 
  using the**yum install**command: 
  
  **yum install -y atomic-openshift-clients**
  Loaded plugins: product-id, search-disabled-repos, subscription-manager 
  Resolving Dependencies 
  --> Running transaction check 
  ---> Package atomic-openshift-clients.ppc64le 0:3.11.153-1.git.0.aaf3f71.el7 will be 
  installed 
  --> Finished Dependency Resolution 
  ... 
  Output truncated 
  ... 
  Complete! 
  
  After the oc CLI tool is installed, use the**oc help**command to display help information. 
  
  You can use the**oc login**command to log in interactively, which prompts you for a server 
  name, a user name, and a password. You also can include the required information about the 
  command line: 
  
  **oc login https://ocp.domain.example.com:8443 -u admin**
  The server uses a certificate signed by an unknown authority. 
  You can bypass the certificate check, but any data you send to the server could be 
  intercepted by others. 
  Use insecure connections? (y/n):**y**
  Authentication required for https://ocp.domain.example.com:8443 (openshift) 
  Username: admin 
  Password: 
  Login successful. 