![]() OpenSSH comes with a simple SSH client you can launch from the command prompt: ssh for the sake of completeness, if you didn't store your private key in the ssh-agent, you can still work with public key authentication. You can also connect with any SSH client. PowerShell remoting via SSH transport and public key authentication ![]() ![]() Invoke-Command works in just the same way: Invoke-Command -HostName -UserName -ScriptBlock Notice you have to enter neither the Windows password nor the passphrase for the private key. If you omit this parameter, PowerShell will use your current logon name on the local computer. Note that your user name on the remote computer doesn't have to be same if you use the UserName parameter. You are now back on your local host and are ready to test your connection.Īt a PowerShell 6 console, simply enter this command: Enter-PSession -HostName -UserName Īs mentioned in my previous post, the HostName parameter ensures PowerShell will connect via SSH instead of WinRM. You can do this at a PowerShell console with admin rights: Restart-Service sshd Connecting with public key authentication ^ You have to restart the ssh service to apply the changes. Add "PasswordAuthentication no" to the file and save it. To disable password authentication, launch Notepad with admin rights (right-click and select Run as administrator) and then open sshd_config in C:\ProgramData\ssh\. ssh folder and store it in a safer place. After that you can remove your private key from the. You will have to enter your passphrase once. To add your private key to the ssh-agent, you have to enter this command: ssh-add If you want the service to start automatically after a restart, you can use this command: Set-Service ssh-agent -StartupType Automatic At a PowerShell console, you can start the ssh-agent this way: Start-Service ssh-agent The ssh-agent runs as a service and securely stores your private key. Thanks to the ssh-agent, you don't have to enter the passphrase whenever you connect to a remote machine. However, I recommend using a passphrase because if not and if someone gets access to your private key, this will compromise all of your remote machines. If you want to work without a passphrase, you can just hit Enter twice. ssh folder in your user profile- id_rsa is the private key, and id_rsa.pub is the public key. By default, the command saves the key pair in the. The first thing you have to do is create the private and the public key, which you can do by simply running the ssh-keygen command. We have to distinguish here between the configuration on the local machine and the remote host. I assume here you installed OpenSSH as explained in my previous post. Thus, it makes sense to invest a little more time and configure PowerShell remoting for public key authentication. When you’re logged in as the default user, opc, use the sudo command to run administrative tasks.Moreover, public key authentication improves security because it works conveniently without using passwords. If an error occurs, see Can’t connect to an instance using SSH in Using Oracle Cloud Infrastructure Compute Classic. If this is the first time you are connecting to an instance, the PuTTY Security Alert window is displayed, prompting you to confirm the public key. The PuTTY Configuration window is closed and the PuTTY window is displayed. In the Saved Sessions box, enter a name for this connection configuration and click Save. Navigate to and open the private key file that matches the public key that is associated with your instance. In the Category tree, expand SSH and then click Auth.Ĭlick the Browse button next to the Private key file for authentication box. ![]() In the Category tree, expand Connection if necessary and then click Data.Ĭonfirm that the When username is not specified option is set to Prompt. ![]() In Host Name (or IP address) box, enter the public IP address of your instance.Ĭonfirm that the Connection type option is set to SSH. The PuTTY Configuration window is displayed, showing the Session panel. If you’re using a Windows host, you can use PuTTY or any other similar client to connect to your instance using SSH. You can log in to an Oracle-provided Oracle Linux instance as the default user, opc. ![]()
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