Setting UP VSFTPD on Ubuntu VPS And Machine

Setting up VSFTPD [ Very Secure FTP Daemon ] on Ubuntu based VPS and Machine.
As FTP [ File Transfer Protocol ] used to transfer files is inherently insecure and vulnerable to a number of exploits . So, its preferable to use VSFTPD [ Very Secure FTP Daemon ] as alternative to FTP. It's more secure and have few enhanced features as comparedto FTP.