Creating SSH-key

To generate an SSH-key, enter the following command on the "home" terminal: 
 
 ssh-keygen -t rsa -b 4096
 
 -t stands for type and this determines the type of key 2. -b stands for bits. This can be used to determine the length of the key. 
 Saving the SSH-key 
 Enter file in which to save the key (/home/me/.ssh/id_rsa):
 
 Here you can select a different location and an alternative name for the file containing the private key. Just press "Enter" to accept the given suggestion. 
 Enter passphrase (empty for no passphrase):
 
 Optionally, a password for the public key can be assigned here. This is always queried when the public key file is used to establish a connection. 
 Enter same passphrase again:
 
 Enter the same password again. If the field is empty, simply press "Enter" 
 Copying the SSH-key on your server 
 ssh-copy-id youruser@ip-address 
 Copy the public key to the desired server. For this the password of the server is necessary. NOTE: this will only work if the public key lays on the default location 
 Login without password-authentication 
 Now, if all of the steps are done right you´ll be able to login over ssh without your password. Simply connect over ssh (if you choose a password in the key, use the keys password 
 ssh youruser@ip-address