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Upgrading the Policy Agent on Linux

Before You Begin 

Make sure that you have upgraded your KeyControl nodes before you upgrade your Policy Agents. Registration will fail if the version of the Policy Agent is higher than that of the KeyControl node and your encrypted data may become unavailable.

Procedure 

1. Log into the KeyControl webGUI on any node in the cluster using an account with Cloud Admin privileges.
2. Click Cloud.
3. Click Actions > Download Policy Agent.
4. Click the Download link associated with the file hcs-client-agent-rel.number.run. KeyControl downloads the file to your browser's default download location.
5. Copy hcs-client-agent-rel.number.run to the Linux system that you want to upgrade.
6. Log into the target system as root.

7. Run the installer by navigating to the directory containing hcs-client-agent-rel.number.run and entering the command sh ./hcs-client-agent-rel.number.run [install -y], where [install -y] tells the installer to upgrade the agent without prompting.

   For example:

   # sh ./hcs-client-agent-4.0.run 
   Creating directory hcs-agent-agent
   Verifying archive integrity... All good.
   Uncompressing hcs-agent-agent.run.............
   HyTrust Agent version 3.4 already installed
   Upgrade existing install? (y/n): y
   Stopping hcld... done
   Run once hcld
   Starting hcld... done
   Installation successful
   

   # sh ./hcs-client-agent-4.0.run install -y 
   Creating directory hcs-agent-agent
   Verifying archive integrity... All good.
   Uncompressing hcs-agent-agent.run.............
   HyTrust Agent version 3.4 already installed
   Stopping hcld... done
   Run once hcld
   Starting hcld... done
   Installation successful
   

8. If you want to verify the version of Policy Agent, type the following command:

   # hcl version

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