April Asked: 2010-03-29 19:41:32 +0800 CST2010-03-29 19:41:32 +0800 CST 2010-03-29 19:41:32 +0800 CST How to ban password use on Ubuntu Hardy? 772 How to ban password use on Ubuntu Hardy? I will be using Ubuntu instances on EC2 where passwords are not used but private keys are used to login via ssh. Thanks for help. ubuntu 1 Answers Voted Best Answer d34dh0r53 2010-03-29T19:51:18+08:002010-03-29T19:51:18+08:00 Change the PasswordAuthentication line in /etc/ssh/sshd_config to no: Old: #PasswordAuthentication yes New: PasswordAuthentication no And the restart sshd: /etc/init.d/sshd restart You should be good to go.
Change the PasswordAuthentication line in /etc/ssh/sshd_config to no:
Old:
New:
And the restart sshd:
You should be good to go.