how to copy in ssh code example

Example 1: how to copy ssh key

ssh-copy-id -i ~/.ssh/mykey user@host

Example 2: how to copy file using ssh

# This need to be done in server side only
$ sudo apt install openssh-server
$ sudo systemctl enable ssh
$ sudo systemctl start ssh
# Need to be done in client side only
$ scp myfile.txt remote_user@remote_ip_address