How To Upgrade Linux With an Agent Installed

Products

• Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

How to upgrade the operating system or perform kernel patching with an App Control Linux Agent installed.

Environment

• App Control Linux Agent: All Supported Versions
• Linux: All Supported Versions

Resolution

Major OS/kernel update (such as RHEL 7.x to RHEL 8.x)

1. Verify the OS/kernel version being upgraded to is fully supported by the Linux Agent.
2. Move the Agent into a Policy where the Mode is set to Disabled.
3. Begin the major upgrade.
4. After the upgrade has completed, move the Agent back to the relevant Policy.

Minor OS/kernel update (such as RHEL 7.7 to RHEL 7.9)

1. Verify the OS/kernel version being upgraded to is fully supported by the Linux Agent.
2. Verify the Updater, "Red Hat Software Update" is turned on in Rules > Software Rules > Updaters.
3. Agent can remain in its current Enforcement Level for a minor OS/kernel update

Additional Information

• More details can be found in the Managing Computers > "Operating System Updates on Linux Agents" section of the User Guide.
• The Operating System Support Policy includes the target service levels:
  • Maintenance releases (service packs) - Target 30 days
  • Minor releases (Red Hat 6.6 to 6.7, Mac OS 10.10.4 to 10.10.5) – Target 30 days
  • Major releases (Windows 8.x to Windows 10, Mac OS 10.10 to 10.11) – Target 90 days