ssh/authorized_keys directory and then copy the public key here. In such a case, you can ask the end user to provide her/his public key. The only way to access the server is using SSH public key authentication. Let’s say that you are the sysadmin and your server doesn’t allow SSH login via password. The first method had the action on the user side. Method 2: Manually copy the public ssh key to the server If you have it at some other location, you should use that in the above command. I have used ~/.ssh/id_rsa.pub because that is the default location for the public ssh key. Your public key should be copied at the appropriate folder on the remote server automatically.
#LINUX SSH KEYGEN PASSWORD#
When prompted, enter the password for your user account at the remote server. ssh-copy-id -i ~/.ssh/id_rsa.pub _ADDRESS_OF_THE_SERVER It even creates required directories and files.Īs I mentioned earlier, you should know the username and password to the server you want to access via public key authentication. OpenSSH provides a handy tool call called ssh-copy-id for copying ssh public keys to remote systems. If you add your public key to the server, you should be able to log in without typing the password all the time. It asks for your account’s password and you enter the server. Here, I assume that you were able to log in to the remote server using ssh _of_server. The first method is where the end user copies its personal computer’s public key to the list of the authorized keys on the remote server. Method 1: Automatically copy the ssh key to server The authentication is per user base so the public key goes in the intended user’s home.
#LINUX SSH KEYGEN HOW TO#
Now that you have made sure of the above four requirements, let’s see how to use public key authentication. You should know the IP address of the server.You should have a user account and password on the server.You should have generated public and private ssh keys (just use the command ssh-keygen -t rsa).Your destination server should have ssh enabled.This quick tutorial shows you two methods to add a public SSH key to the server.īefore you see that, let’s be clear about what you should already have: Now you want to upload your public key to the authorized keys of the server so that you can access it without typing your account password all the time. You have generated ssh keys on your personal computer. I believe you understand the basic SSH concept.
Here are two methods to copy the public ssh key to the server. Public key authentication allows you to access a server via SSH without password.
0 kommentar(er)
