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Display RPM package informationTo find out what features a particular package provides, use the -q option to make a query, and the -i sub-option in combination to display that information.Specify the package name of the package for which you want to display information as an argument.

Display the directory where the RPM package is installed.To find out where the relevant files are when you install a particular package, run the rpm command with theTo check where the related files are located after installing a particular package, run the rpm command with the "-ql" option. Specify the package name as an argument.

Check which RPM package a particular program is included in.To check which RPM package a particular program is included in, add the "-qf" option to the rpm command and specify the program (executable file) as an argument.[root@Lion ~]# rpm -qf /usr/sbin/dovecotdovecot-2.2.36-3.el7.x86_64

Test the installation of RPM packages.Sometimes, due to dependencies, conflicts, or other problems, an error message will be displayed when executing the install command and the installation will fail.It is possible to test for such problems before installation.To do so, run the rpm command with the "--test" option and execute the installation.[root@Lion ~]# rpm -ivh --test zlib-devel-1.2.3-4vl5.i386.rpm↑Test the installation of the rpm package

Show RPM dependent packagesDependencies are often a problem when manipulating packages, such as installing, upgrading, or removing RPM packages.So to avoid these problems, it is important to check the dependencies in advance.To check what package a particular package depends on, run the rpm command with the "-q" option in combination with the "-R" option to display the name of the dependent package.

RPMパッケージをインストールするrpmパッケージをインストールするには、rpmコマンドにオプション「-i」を付けてコマ...

YUMによるパッケージ管理CentOSや、Fedoraには、RPMパッケージの依存関係を自動的に解消してインストールする...

公開鍵をインポートするにはrpmコマンドでパッケージをインストールする際、下記のような警告メッセージが表示される場合があ...

RPM Database●Rebuild the RPM database.Information about RPM packages is stored in the RPM database.When searching for information about a package, this RPM database plays an important role, but sometimes it gets corrupted.In such a case, the RPM database can be rebuilt by running the rpm command with the "--rebuilddb" option.[root@Lion ~]# rpm --rebuilddb[root@Lion ~]#●Create a new RPM package database.To create a new RPM package database, run the rpm command with the "--initdb" option.