To apply package updates from the Red Hat Network (RHN) on a Red Hat Linux server, you can use the yum command with the update option. This command will check for available updates on the RHN and install them on your system.
Before using the yum command, you will need to ensure that your Red Hat Linux server is registered and subscribed to the RHN. You can check the registration status of your server using the subscription-manager command, as shown below:
subscription-manager status
If your server is not registered or subscribed to the RHN, you will need to follow the steps in the Red Hat documentation to register and subscribe your server before you can use the yum command to apply package updates.
Once your server is registered and subscribed to the RHN, you can use the yum command to apply package updates. To do this, run the following command:
yum update
This will check for available updates on the RHN and install them on your system. The yum command will prompt you for confirmation before applying the updates, so you can review the list of updates and decide whether to proceed with the installation.
By using the yum command, you can easily apply package updates from the RHN on a Red Hat Linux server. This can help to keep your system up to date and secure.