Manually installing SSM Agent on Red Hat Enterprise Linux instances
The Amazon Machine Images (AMIs) for Red Hat Enterprise Linux (RHEL) that are provided by AWS do not come with AWS Systems Manager Agent (SSM Agent) preinstalled by default. For a list of AWS managed AMIs on which the agent might be preinstalled, see Amazon Machine Images (AMIs) with SSM Agent preinstalled.
Use the information in this section to help you manually install or reinstall SSM Agent on a RHEL instance.
Before you begin
Before you install SSM Agent on a RHEL instance, note the following:
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For important information that applies to installation of SSM Agent on all Linux-based operating systems, see Manually installing SSM Agent on EC2 instances for Linux.
If you use a
yumcommand to update SSM Agent on a managed node after the agent has been installed or updated using the SSM documentAWS-UpdateSSMAgent, you might see the following message: "Warning: RPMDB altered outside of yum." This message is expected and can be safely ignored.
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