How to use alternate SSH port for DR in place default port 22

Article Id: 16544
Status: Published
Updated On: 18-08-2020 10:48
Legacy Id: TEC1101997
Products:
CA Infrastructure Management , CA Infrastructure Management , CA Performance Management - Usage and Administration
Issue/Introduction:

Client may want to use different port for SSH for DR machines.



How to use non standard SSH port to configure passwordless SSH for DR machines?

Environment:

CAPC 3.x.OS Linux

Resolution:

Follow the below instructions:

  1. Connect to your server via SSH.
  2. Switch to the root user.
  3. Run the following command:
    vi /etc/ssh/sshd_config
  4. Locate the following line:
    # Port 22
  5. Remove # and change 22 to your desired port number.
  6. Restart the sshd service by running the following command:
    service sshd restart
  7. On each DR server:

    1. Create ~root/.ssh/config on each box and add:

       

      Host DR1HOSTNAME

          Port 16107 

       

      Host DR2HOSTNAME

         Port 16107 

       

      Host DR3HOSTNAME

         Port 16107 

    2. Repeat above step for ~dradmin/.ssh/config for each DR node.

Additional Information:

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/it-operations-management/performance-management/3-7/configure-the-data-repository-host-for-a-local-backup.html