Yum Command Check and Apply Only Security Updates

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You can use the yum command to check and apply only security updates on a Red Hat or CentOS system. The yum-security plugin provides this functionality.

Here’s how you can do it:

  1. Install the yum-security plugin:
    sudo yum install yum-plugin-security
  2. Check for available security updates:
    sudo yum update-minimal --security
  3. Apply the available security updates:
    sudo yum update-minimal --security --sec-severity=Critical

Explanation:

  • update-minimal is a yum-security command that only updates packages that have security updates available.
  • --security option specifies that only security updates should be considered.
  • --sec-severity=Critical option specifies that only critical security updates should be installed.

Note: The yum-security plugin is available in Red Hat Enterprise Linux and CentOS, but not in Fedora. If you’re using Fedora, you’ll need to use a different method to manage security updates.

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