Finished Dependency Resolution Dependencies Resolved =========================================================================== Package Arch Version Repository Size =========================================================================== Updating: udev x86_64 147-2.15.el6 rhel 337 k Transaction Summary =========================================================================== Install 0 Package(s) Upgrade 1 Package(s) Total download size: 337 k Is this ok [y/N]:, which Yum uses to perform changes to the system, provides a mechanism for ensuring their integrity.
is not available on Red Hat Enterprise Linux 5, which uses Yum (Yellowdog Updater Modified).
The third command uninstalls the rrdtool using “rpm –e”.
Finally, the last line confirms that the application rrdtool is not installed anymore.
This means that you can trust that the packages you download and install on your system are from a trusted source, such as Red Hat, and were not modified during transfer.
See Section 8.4, “Configuring Yum and Yum Repositories” for details on enabling signature-checking with Yum, or Section B.3, “Checking a Package's Signature” for information on working with and verifying GPG-signed Loaded plugins: product-id, refresh-packagekit, subscription-manager Updating Red Hat repositories.