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Month: January 2009

SSH login without password

Your aim You want to use Linux and OpenSSH to automize your tasks. Therefore you need an automatic login from host A / user a to Host B / user b. You don’t want to enter any passwords, because you want to call ssh from a within a shell script. How to do it First log in on A as user a and generate a pair of authentication keys. Do not enter a passphrase: [email protected]:~> ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/a/.ssh/id_rsa): Created directory ‘/home/a/.ssh’. Enter passphrase (empty for no…