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kernelcare

Agent Check: kernelcare

Overview

KernelCare is a live patching system that automatically applies security patches to Linux kernel vulnerabilities, with no reboots. It's used on over 500,000 servers, and has been used to patch servers running for 6+ years for Dell, Zoom, and other enterprise companies. It works with all major Linux distributions, such as RHEL, CentOS, Amazon Linux, and Ubuntu, and interoperates with common vulnerability scanners, cloud monitoring tools, and patch management solutions.

This integration allows you to forward the Kernelcare metrics through the Datadog Agent.

Setup

The Kernelcare check is not included in the Datadog Agent package, so you need to install it.

Installation

For Agent v7.21+ / v6.21+, follow the instructions below to install the Kernelcare check on your host. See Use Community Integrations to install with the Docker Agent or earlier versions of the Agent.

  1. Run the following command to install the Agent integration:

    datadog-agent integration install -t datadog-kernelcare==<INTEGRATION_VERSION>
  2. Configure your integration similar to core integrations.

Configuration

  1. Edit the kernelcare.d/conf.yaml file, in the conf.d/ folder at the root of your Agent's configuration directory to start collecting your kernelcare performance data. See the sample kernelcare.d/conf.yaml for all available configuration options.

  2. Restart the Agent.

Validation

Run the Agent's status subcommand and look for kernelcare under the Checks section.

Data Collected

Metrics

See metadata.csv for a list of metrics provided by this check.

Events

The Kernelcare integration does not include any events.

Service Checks

See service_checks.json for a list of service checks provided by this integration.

Troubleshooting

Need help? Contact Datadog support.