The basics of setting up Remmina

Linux and Unix-Like UNIX and Linux Applications
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I have tried and failed after numerous attempts at getting the answers to the the following questions by googling and searching numerous forums.

  1. Do I have to install Remmina on both laptops?
  2. On the target laptop(ie.the one I want to be able to control)

There are two versions of linux,Debian and Mint.Will I be able to access both of these?

As I am a total newbie to this subject I would appreciate advice that is not too technical

Many Thanks
v686

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