save ssh password code example

Example 1: ssh without password

a@A:~> cat .ssh/id_rsa.pub | ssh b@B 'cat >> .ssh/authorized_keys'
b@B's password:

Example 2: ssh save password

# generate ssh keygen on the client

$ ssh-keygen -t rsa -b 2048
$ ssh-copy-id id@server
id@server's password: 

# after this you will not be prompted for password again

Example 3: login to ssh with password

ssh -o PasswordAuthentication=yes user@hostname

Example 4: ssh user password example

sshpass -p 'YourPassword' ssh user@host