Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I would like a userid to allow logging into a box without a password. I am not sure how to accomplish this as changing the password to nothing is not allowed. Thanks

share|improve this question
up vote 2 down vote accepted

On linux, for example, if you changed /etc/shadow in the following way you would accomplish what you want.

Change this:




For a better answer however, I would recommend looking into ssh keys.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.