How to setup putty to auto connect to your computer

How to make putty(in Win7) auto connect to your computer(Linux)?

Let say, we have a windows computer A, and a linux computer B. And We want use putty to auto connect B, from A.
There’s steps:

1. Use puttygen.exe to generate a public key and private key.
2. Save the public key inside linux(~/.ssh/authorized_keys)
3. Inside Putty
   1. In Connection->Auth->Private key file for authentication, select the private key you saved.
   2. In Connection Data, set the Auto-login username as the linux’s username.
   3. In Session, set the Host Name
   4. In Save Sessions, save the session as YourSession
4. Create a shortcut to putty, and in its property, change the target as : “C:\Program Files\Putty\putty.exe” -load YourSession
5. Click the shortcut, and let it go!