Thursday 12 April 2012

SCP and SSH without password

To setup the password-less logging from one box 'Source' to another box 'Dest'.
You need to generate the 'Source' user's public/private key pair, and then append the public key of this user to 'Dest' user's ".ssh/authorized_keys" file.
Important thing to note is that destination and source users can be different. However, the ".ssh" folder inside 'Dest' user's home directory needs to have unix permissions '700' for this to work (Because otherwise anyone can write their public key into this folder and gain access to the destination user's account).

The following article explains the setup of password less ssh or scp setup between two systems.
It provides the troubleshooting for common problems as well.

http://homepage.mac.com/kelleherk/iblog/C1901548470/E20061128145420/index.html

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