1. Install synergy  : apt-get install synergy

2. Server configuration : synergy.conf section:

===================================

screens
server1:
server2:
halfDuplexCapsLock = true
halfDuplexNumLock = true
end

section: links
server1:
left=server2
server2:
right=server1
end

================================

3. run synergy server :

synergys -f –config /etc/synergy/synergy.conf

4. run client on the second machine:

synergyc  –name server1   < Server IP >

5. Now move your mouse to left. You will see the mouse in your second screen.