To access your node using SSH, follow the steps in Create the SSH connection. Configure virtual machine availability set-based AKS clusters for SSH access. To configure your virtual machine availability set-based AKS cluster for SSH access, find the name of your cluster's Linux node, and add your SSH public key to that node. Documentation remote-access ssh passwordless Passwordless SSH access. It is possible to configure your Pi to allow your computer to access it without providing a password each time you try to connect. To do this you need to generate an SSH key: Check for existing SSH keys. To generate the public/private key pair, enter this in the Command Prompt: ssh-keygen At the first prompt, “Enter file in which to save the key,” press Enter to save it in the default location.

  1. Powershell Generate Ssh Key
  2. Generate Ssh Public Key For Node Access Point
  3. Generate Public Ssh Key Windows
  4. Generate Ssh Public Key For Node Access Control
  5. Ssh Public Key Windows

Mar 31, 2020 This guide shows you how to control access to Linux instances by manually creating SSH keys and editing public SSH key metadata. To check whether managing SSH keys in metadata is the best choice for your use case, review Choosing an access method. Sep 26, 2019 After you copy the SSH key to the clipboard, return to your account page. Choose to Import Public Key and paste your SSH key into the Public Key field. In the Key Name field, provide a name for the key. Note: although providing a key name is optional, it is a best practice for ease of managing multiple SSH keys. It will now appear.

You can access the services and resources that an Oracle Java Cloud Service instance's node provides by logging into the node as the opc user through SSH. You can use any SSH utility you want. For example, if you are using Windows, you might use PuTTY; if you are using Linux, you might use OpenSSH.

By default, only the opc user can remotely connect to your nodes. You cannot use SSH to connect to a node as the oracle user. After successfully connecting to a node, tasks such as starting and stopping the server and accessing the administrative logs should only be performed by the oracle user.

Oracle Cloud uses SSH to access the nodes that comprise your service instances, in order to perform predefined Platform Service actions like backup and patching. You initiate these Platform Service actions from the web console, CLI, or REST API. A separate SSH key pair is used for each service instance to perform this internal communication. This SSH key is not available for ad hoc usage. You cannot delete this key from nodes or it will cause these Platform Service actions to fail. The key is only used under programmatic control and cannot be directly accessed by Oracle employees. All SSH actions performed by Oracle Cloud on your nodes are logged and can be audited. Oracle does not have access to any SSH keys residing on your nodes and has no way to access your nodes, unless you explicitly provide access to the keys for troubleshooting purposes.

Note:

If you created your service instance in an
Oracle Cloud Infrastructure ClassicGenerate Ssh Public Key For Node Access region and chose not to assign public IP addresses, then the nodes in your service instance are not directly accessible from the Internet. They are accessible only from within your private IP network, or from your on-premises data center over a VPN network.

Note:

Prior to making changes to the operating system or the Oracle software on a node, see Administration Best Practices.

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Powershell Generate Ssh Key

To create an SSH tunnel to a port on a compute node associated with Oracle Database Classic Cloud Service, you use Secure Shell (SSH) client software that supports tunneling.

Several SSH clients that support tunneling are freely available. The following sections show how to use SSH clients on the Linux and Windows platforms to connect to a compute node using an SSH tunnel.

Creating an SSH Tunnel Using the ssh Utility on Linux

The Linux platform includes the ssh utility, an SSH client that supports SSH tunneling.

Before you use the ssh utility to create an SSH tunnel, you need the following:

  • The IP address of the target compute node.

    The IP addresses associated with a database deployment on Oracle Database Classic Cloud Service are listed on the details page associated with the database deployment. See Viewing Detailed Information for a Database Deployment.

  • The SSH private key file that pairs with the public key used during the database deployment creation process.

  • The port number for which you want to create an SSH tunnel.

To create an SSH tunnel for a port using the ssh utility on Linux:
  1. In a command shell, set the file permissions of the private key file so that only you have access to it:

    private-key-file is the path to the SSH private key file that matches the public key used during the database deployment creation process.

  2. Run the ssh utility:

    where:

    • private-key-file is the path to the SSH private key file.

    • local-port is the number of an available port on your Linux system. Specify a port number greater than 1023 and less than 49152 to avoid conflicts with ports that are reserved for the system. As a good practice, and for the sake of simplicity, you should specify the same port number as the one to which you are creating a tunnel.

    • target-ip-address is the IP address of the target compute node in x.x.x.x format.

    • target-port is the port number to which you want to create a tunnel.

  3. If this is the first time you are connecting to the target compute node, the ssh utility prompts you to confirm the public key. In response to the prompt, enter yes.

Generate Ssh Public Key For Node Access Point

After the SSH tunnel is created, you can access the port on the target compute node by specifying localhost:local-port on your Linux system.

Creating an SSH Tunnel Using the PuTTY Program on Windows

PuTTY is a freely available SSH client program for Windows that supports SSH tunneling.

Before you use the ssh utility to create an SSH tunnel, you need the following:

Generate Public Ssh Key Windows

  • The IP address of the target compute node.

    The IP addresses associated with a database deployment on Oracle Database Classic Cloud Service are listed on the details page associated with the database deployment. See Viewing Detailed Information for a Database Deployment.

  • The SSH private key file that pairs with the public key used during the database deployment creation process.

  • The port number for which you want to create an SSH tunnel.

Generate Ssh Public Key For Node Access Control

To create an SSH tunnel for a port using the PuTTY program on Windows:
  1. Download and install PuTTY.

    To download PuTTY, go to http://www.putty.org/ and click the You can download PuTTY here link.

  2. Run the PuTTY program.

    The PuTTY Configuration window is displayed, showing the Session panel.

  3. Configure SSH connectivity:
    1. In Host Name (or IP address) box, enter the IP address of the target compute node.
    2. Confirm that the Connection type option is set to SSH.
    3. In the Category tree, expand Connection if necessary and then click Data.
    4. In Auto-login username box, enter oracle.
    5. Confirm that the When username is not specified option is set to Prompt.
    6. In the Category tree, expand SSH and then click Auth.

      The Auth panel is displayed.

    7. Click the Browse button next to the Private key file for authentication box. Then, in the Select private key file window, navigate to and open the private key file that matches the public key used during the database deployment creation process.
  4. Add a forwarded port:
    1. In the Category tree, click Tunnels.
    2. In the Source Port box, enter the number of an available port on your system. Specify a port number greater than 1023 and less than 49152 to avoid conflicts with ports that are reserved for the system. As a good practice, and for the sake of simplicity, you should specify the same port number as the one to which you are creating a tunnel.
    3. In the Destination box, enter the IP address of the target compute node, a colon, and the port number to which you want to create a tunnel; for example, 192.0.2.100:1521.
    4. Confirm that the Local and Auto options are set.
    5. Click Add to add the forwarded port.

      The new forwarded port appears in the Forwarded ports list.

  5. In the Category tree, click Session.
  6. In the Saved Sessions box, enter a name for this connection configuration. Then, click Save.
  7. Click Open to open the connection.

    The PuTTY Configuration window is closed and the PuTTY window is displayed.

  8. If this is the first time you are connecting to the target compute node, the PuTTY Security Alert window is displayed, prompting you to confirm the public key. Click Yes to continue connecting.
Access

Ssh Public Key Windows

After the SSH tunnel is created, you can access the port on the target compute node by specifying localhost:local-port on your system, where local-port is the source port that you specified when creating the tunnel.

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