31.5 Upgrading the Operating System to SLES 12 SP4 or Later

Before you upgrade to SLES 12 SP4 or later, you must have the following versions of Sentinel and the operating system:

  • Sentinel 8.2 or later

  • SLES 12 SP3

To upgrade the SLES operating system:

  1. (Conditional) If you use SLES 11 SP4, upgrade the version to SLES 12 SP3. For more information, see Upgrading the Operating System to SLES 12 SP3.

    IMPORTANT:If you have already upgraded to SLES 12 SP3 and run the post-upgrade utility, you must download the latest version of the post upgrade utility and run it again. This is important to ensure that upgrade to 8.2 SP2 and later works fine.

    Download and run the latest utility from Sentinel Appliance 8.2 SLES11SP4 to SLES12SP3 Migration Tools B in the Micro Focus Patch Finder website.

  2. Launch the Sentinel appliance by doing either of the following:

    • Log in to Sentinel. Click Sentinel Main > Appliance.

    • Specify the following URL in your web browser: https://<IP_address>:9443.

  3. Log in either as a vaadmin or a root user.

  4. (Conditional) Register for updates if you have not done it earlier. For more information, see Registering for Updates.

  5. Click Online Update.

  6. To install the displayed updates, click Update Now > OK.

  7. To apply the installed updates, click Reboot.