Whether a public key provides an access via SSH?

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDCwVEWmo0rWCOgpMjvdoimNLtEvKEhLmYgyIkrC7KbBYNp54ulWDJw3YEQaOFDQ84x20MzfzWUzHgEQswgBPQypXwmURok/DR/oClTsA0sYbOX1N69goAE6RizKXq4hwVlCHumR/RMP4LMBZGd9YTnpWafaxQa57qclLJMrI0rJSdLuUZW7cf0EiQwaOHLTaaOZUm6+15iSQCS1suFVcu+ClEKzKPExynbCDCN+iAcY3J8tFG1VnTrHj7mD1zPpm7JjDjCWLT79ExH5MkWhYiCJCdgKPh8g4GxvliPt0mx5A+A+2FwBhgEt0Us3PUGjCGHamLBqC0BLTCeGrCHdRV7 chaseberrier@Chases-iMac

Unfortunately, you have provided me wrong SSH credentials.
Your SSH key is public, and it is not enough to have a public SSH key to be authenticated on a server.
There are 3 ways how to solve the issue:

  1. You can register my public key on your server: Mage2.PRO public SSH key and IP address
  • You can provide me login and password
  • You can provide me the private SSH key for your public key.