SSH without password access to other machines and Windows on putty without password access to Linux machine

1. No password access to other machines (UBUNTU2) from a Linux machine (UBUNTU1)

(1) Login ubuntu1 and switch to user such as S1

(2) Running ssh-keygen-t RSA

(3) running CD. SSH

(4) Run cat id_rsa.pub >> Authorized_keys. Running SSH localhost now allows you to log on to the machine without a password.

(5) running SCP authorized_keys [email Protected]:/home/s1/.ssh/authorized_keys

(6) Run chmod on UBUNTU2 Authorized_keys

(7) You can ssh directly in UBUNTU1 now UBUNTU2

2. Use Putty key file login from Windows ubuntu1

(1) Download the/home/s1/.ssh/id_rsa file on UBUNTU1 to Windows

(2) go to http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html. Download PuTTYgen.exe

(3) Run PuTTYgen.exe, click Load, select the first step to download the Id_rsa file

(4) Save the resulting file to disk

(5) The Auto-login username of the session configured Putty is S1

(6) Set PPK file

(7) You can now login ubuntu1 without a password in putty

(8) Using the same file configuration steps five and sixth can access Ubuntu 2 without a password

Reference Link: http://www.rackspace.com/knowledge_center/article/logging-in-with-a-ssh-private-key-on-windows

SSH without password access to other machines and Windows on putty without password access to Linux machine