Permission denied for console -> Again


I am getting “Permission Denied” error while trying to login to the console.

I have read a topic related to this they suggested below .I already have a topic related to same and below is resolution given. I tried and it worked for first time. After some time I am facing same issue. Can u plz some help me step by step procedure with screen shoots to resolve the issue.
Resolution Provided:
Your Issue has resolved. Now you can login.Please end your sessions after practice on big data labs by using exit or Ctrl+d.



@mahesh47it Issue resolved, try login now

use CTRL+d to end sessions

You should end your sessions properly. Other wise the same will repeat for you. If you are using web console and facing the problem it is recommended to use ssh clients like cygwin or putty to connect big data labs.
Use host name
username and password from