How To |Enable/Disable SSH On VirtualBox
Step 1:-
Enable Network Adapter Attached to : Bridge Adapter

Step 2:-
Enable SSH by opening a Terminal

>service ssh start
Step 3:-
Disable SSH by opening a Terminal

>service ssh stop
Step 4:-
Find Out Ipaddress

Step 5 :-
Connect with SSH using putty

Type Ip Address
Enter Username and password

If Facing Problem To Connect To SSH
>service ssh restart

Successfully Connected To SSH