Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Manual page 276

276 Chapter 26:Gnome-RPM
If uninstalling a package would break "dependencies" (which could interfere with the operation of
applications that require one or more of the removed files in the package), a dialog will pop up, asking
you to confirm the deletion.
You can uninstall a selected package in a variety of ways: from the menu, under ; from
Packages
the toolbar and from the function. If you decide to remove more than one package at a time,
Query
you can choose more than one package in the same way as you would when installing, querying or
verifying. The total number of selections will be displayed in the status bar on the bottom of the main
window.
Figure 26–11 Uninstall Window
Once you've begun to uninstall packages, Gnome-RPM asks for confirmation, showing a window
like the one in Figure 26–11, Uninstall Window. All of the packages that are about to be uninstalled
are listed. You should carefully check the list to make sure that you're not about to remove something
you want to keep. Clicking the button will start the uninstallation process. After it is completed,
Yes
the packages and groups that have been removed will disappear from any open windows.
Upgrading Packages
When a new version of a package is released, it is easy to install it on your system. Select the package
from the window of available packages in the same way you select packages for installation. You can
begin the upgrade process in two ways: either the Upgrade button on the toolbar or using Operations
=> on the menu. You simply packages in the same manner as you would during a new
Upgrade Add
package installation.
During the upgrade, you'll see a progress indicator like the one for shown when you are installing
packages. When it's finished, any old versions of the packages will be removed, unless you specify
otherwise (refer to Section 26.4, Configuration for more information).
In most cases, you should upgrade packages rather than uninstall the old versions of a package and
then install the new ones. If you use upgrade, any changes you made to package configuration files
are preserved properly. If you uninstall an old version of a package and then install a new package,
your changes could be lost.