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5.13. About toolbox

toolbox is a tool that starts a container on a Red Hat Enterprise Linux CoreOS (RHCOS) system. The tool is primarily used to start a container that includes the required binaries and plugins that are needed to run commands such as sosreport.

The primary purpose for a toolbox container is to gather diagnostic information and to provide it to Red Hat Support. However, if additional diagnostic tools are required, you can add RPM packages or run an image that is an alternative to the standard support tools image.

5.13.1. Installing packages to a toolbox container
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By default, running the toolbox command starts a container with the registry.redhat.io/rhel9/support-tools:latest image. This image contains the most frequently used support tools. If you need to collect node-specific data that requires a support tool that is not part of the image, you can install additional packages.

Prerequisites

  • You have accessed a node with the oc debug node/<node_name> command.
  • You can access your system as a user with root privileges.

Procedure

  1. Set /host as the root directory within the debug shell. The debug pod mounts the host’s root file system in /host within the pod. By changing the root directory to /host, you can run binaries contained in the host’s executable paths: 

    # chroot /host

  2. Start the toolbox container: 

    # toolbox

  3. Install the additional package, such as wget: 

    # dnf install -y <package_name>
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