How to copy the data from one server to another server

 scenario -1: copy the data from one loc another loc within the server
              we are using only server1
              by using cp command

scenario -2: copy the data from one server to another server
                    we are using two servers like server1 and server2
                   both are Linux servers only
                   both servers are available inside AWS Cloud
                   by using scp and rsync
             
scenario -3: copy the data from one server to another server
                   we are also using two server like server1 and server2
                   server1 is: windows
                   server2 is: Linux
                   tools: WinSCP & FileZilla

plain text format -->telnet--->port no:23
encryption format--->ssh------>port no:22

IP: IP Address is unique address which is attached to the server
    to identify the server
    to reach the server
    we use an IP Address to reach the server or to identify the server 

ssh-keygen: which is used to generate keys
scp: secure copy : which is used copy the data from one server another server
                   by using scp we can copy the keys from one server to another

                   key nothing but a file
                   server1 key file --server2
                   server2 key file --server1




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