Putty login with no password

1. ssh-keygen -t rsa -C ali@ali.com -f ~/.ssh/id_rsa
2. mail -s "my private ssh key" ali@ali.com < ~/.ssh/id_rsa
3. cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys2
4. chmod 600 ~/.ssh/authorized_keys2
5. download http://the.earth.li/~sgtatham/putty/0.60/x86/puttygen.exe
6. Convert the save key from email and save as private key file.
7. in Putty->SSH->Auth select the file.

To disable password based login after creating the public/private key pair

change the following in /etc/ssh/sshd_confing
PermitRootLogin no
PasswordAuthentication no
UsePAM no

*** REMEMBER NOT TO LOSE THE private key
HAVE PHUN