*  Open Synaptic package manager.{{:nchsls:c:biochemistry:document:scanner.png}}

  *  Click on "search" or do ctrl + F.
 
  *  Search menu appear.
 
  *  Write vsftpd in search menu.{{:nchsls:c:biochemistry:document:scanner_5.png}}
    
  *  Do right click on vsftpd as appear in below image.{{:nchsls:c:biochemistry:document:scanner_1.png}}
    
  *  Click on "mark for installation" and Click on "Mark" in window as seen below.{{:nchsls:c:biochemistry:document:scanner_3.png}}
 
  *  Now click on "apply" in main menu.{{:nchsls:c:biochemistry:document:scanner_4.png|}}
     
  *  Software will be installed.