Red Hat Summit Red Hat SummitSupportConsoleDevelopersStart a trialContact

Chapter 16. Updating Red Hat Certificate System

To update Certificate System and the operating system it is running on, use the dnf update command. This downloads, verifies, and installs updates for Certificate System as well as operating system packages.

  • For example: 

    # dnf update
    Copy to Clipboard Toggle word wrap

    This downloads, verifies, and installs updates for Certificate System as well as operating system packages. You can verify the version number before and after updating packages, to confirm they were successfully installed.

Important

Updating Certificate System requires the PKI infrastructure to be restarted. We suggest scheduling a maintenance window to take the PKI infrastructure offline and install the update.

  • To optionally download updates without installing, use the --downloadonly option in the above procedure: 

    # dnf update --downloadonly
    Copy to Clipboard Toggle word wrap

    The downloaded packages are stored in the /var/cache/yum/ directory.
    The dnf update will later use the packages if they are the latest versions.

Back to top
Red Hat logoGithubredditYoutubeTwitter

Learn

Try, buy, & sell

Communities

About Red Hat Documentation

We help Red Hat users innovate and achieve their goals with our products and services with content they can trust. Explore our recent updates.

Making open source more inclusive

Red Hat is committed to replacing problematic language in our code, documentation, and web properties. For more details, see the Red Hat Blog.

About Red Hat

We deliver hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.

Theme

© 2025 Red Hat