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NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.

11.2. Installing and Removing Packages

To install a package available for download, click the checkbox beside the package name. When you do so, an installation icon ( ) appears beside its checkbox. This indicates that the package is queued for download and installation. You can select multiple packages to download and install; once you have made your selection, click the Apply button.

Package installation

Figure 11.3. Package installation

If there are any package dependencies for your selected downloads, the Package Management Tool will notify you accordingly. Click Details to view what additional packages are needed. To proceed with downloading and installing the package (along with all other dependent packages) click Continue.

Package dependencies: installation

Figure 11.4. Package dependencies: installation

Removing a package can be done in a similar manner. To remove a package installed in your system, click the checkbox beside the package name. The green check appearing beside the package name will be replaced by a package removal icon ( ). This indicates that the package is queued for removal; you can also select multiple packages to be removed at the same time. Once you have selected the packages you want to remove, click the Apply button.

Package removal

Figure 11.5. Package removal

Note that if any other installed packages are dependent on the package you are removing, they will be removed as well. The Package Management Tool will notify you if there are any such dependencies. Click Details to view what packages are dependent on the one you are removing. To proceed with removing your selected package/s (along with all other dependent packages) click Continue.

Package dependencies: removal

Figure 11.6. Package dependencies: removal

You can install and remove multiple packages by selecting packages to be installed / removed and then clicking Apply. The Package selections window displays the number of packages to be installed and removed.

Installing and removing packages simultaneously

Figure 11.7. Installing and removing packages simultaneously


 
 
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