GNUPLOT CentOS Installation

 First Install GD library 

https://drive.google.com/file/d/1ODi4ZS93tmooxt6Jd7ZDnEhuB9cz8vzG/view?usp=sharing

Then Install GNUPlot library

https://drive.google.com/file/d/1tbHqOIOc9k63tgfVkA0-rrHMEs3pdEEu/view?usp=sharing

CentOS Taking Long time to login after enterring password

 Delete /var/log/btmp file

 

This file can become huge as a result of people trying to brute-force the server.