Connecting through SSH without password

To connect through SSH to a web-server without entering a password, one has to perform the following steps:

1. Run the command ssh-keygen

$ ssh-keygen

Save the key in the default location or any location you desire and provide the passphrase, which has to be atleast 4 letters long. The default location for the key is:

/home/<user>/.ssh/id_rsa.pub

Now to connect to SSH with this key, we will have to run the following command:

$ ssh-copy-id -i /home/<user>/.ssh/id_rsa.pub server

Note :  Replace <user> with your username or home folder.

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