Make SSH stop asking for a login password

Posted by jason on June 13, 2011, 10:15 p.m.
Tags: linux sysadmin

Here's how to set things up so that typing "ssh user@host" will just log you in and not ask for a password. You should probably only do this with trusted machines.

  1. Open a terminal
  2. Go to your .ssh folder
    3. cd ~/.ssh
  3. Check if you have a 'id_rsa.pub' (or 'id_dsa.pub') file there. If not, do this:
    4. ssh-keygen -t rsa

    Press enter a bunch of times, even when it asks for a password.

  4. Run ssh-copy-id
    5. ssh-copy-id -i id_rsa.pub user@host
  5. Test
    6. ssh user@host

    You should have been logged in without being prompted for a password. If not, go to step 1 or google the error message you got.

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