Install & Launch Coccinellida
Go to menu bar and click “Preference”
Click “Tunnels” tab
Click “Add”
In “General” tab, enter the following informaion
Name: whatever you would like
Host: IP-B (SSH Tunnel server)
User: username of IP-B SSH Tunnel Server
Password or select “id_rsa” file at Identity
In “Port Forwarding” tab
Click “Add”
Type is “Local”
Enter “2022″ onto “Local Port” (or you can change it to other port # as you like)
In Local Host, keep it as “localhost”
In Remote Host, enter IP-A
In Remote Port, enter “22″ (change the number is the destination port differs)
Click Save
Done
Run Coccinellida to test if it works
Now if you access localhost:2022, it will reach the SSH server of Server B!