MySQL : mysql error 2005 - Unknown MySQL server host 'localhost'(11001)

MySQL : mysql error 2005 - Unknown MySQL server host 'localhost'(11001)
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
After that, type the word 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

Let me give you a brief introduction of who I am,
Howdy, my name's Delphi.
I can provide you with assistance to help you answer your questions.
MySQL : mysql error 2005 - Unknown MySQL server host 'localhost'(11001)
I welcome your comments and chats if you have more detailed queries.
If you have an answer or any relevant information to share, please comment below.
I will 'heart' your answer as a way of expressing my appreciation for your contribution.
: host MySQL MySQL error server - mysql Unknown 'localhost'(11001) 2005