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This article mainly explains "how to install and uninstall RPM software package under Linux". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn how to install and uninstall the RPM package under Linux.

Under the Linux operating system, almost all software is installed, uninstalled and managed through RPM. The full name of RPM is Redhat Package Manager, which is proposed by Redhat Company to manage software packages under Linux. When Linux is installed, except for a few core modules, almost all the other modules are installed through RPM. RPM has five modes of operation: install, uninstall, upgrade, query, and verify.

RPM installation operation

Command:

Rpm-I package filename that needs to be installed

Examples are as follows:

Rpm-I example.rpm install example.rpm package

Rpm-iv example.rpm installs the example.rpm package and displays information about the files being installed during installation

Rpm-ivh example.rpm installs the example.rpm package and displays the information about the files being installed and the installation progress during the installation process

RPM query operation

Command:

Rpm-Q...

Additional query commands:

A query all installed packages the following two additional commands are used to query the information of the installation package

I display information about the installation package

L shows the directories to which all the files in the installation package are installed

S shows the status of all files in the installation version and the directories to which they are installed; the following two additional commands are used to specify whether to query the installation package or the installed files

P queries the information about the installation package

F queries the information of a file that has been installed

Examples are as follows:

Rpm-qa | grep tomcat4 to see if tomcat4 is installed

Rpm-qip example.rpm to view information about the example.rpm installation package

Rpm-qif / bin/df View the information of the installation package where the / bin/df file is located

Rpm-qlf / bin/df View the directory to which each file in the installation package of the / bin/df file is installed

RPM uninstall operation

Command:

Rpm-e installation packages that need to be uninstalled

Before uninstalling, you usually need to use rpm-Q … Command to find out the name of the installation package that needs to be uninstalled.

Examples are as follows:

Rpm-e tomcat4 Uninstalls the tomcat4 package

RPM upgrade operation

Command:

Rpm-U packages that need to be upgraded

Examples are as follows:

Rpm-Uvh example.rpm upgrade example.rpm package

RPM authentication operation

Command:

Rpm-V packages that need to be verified

Examples are as follows:

Rpm-Vf / etc/tomcat4/tomcat4.conf

The output information is similar to the following:

S.5....T c/ etc/tomcat4/tomcat4.conf

Where S indicates that the file size has been modified and T indicates that the file date has been modified. For more verification information, please refer to the rpm help file: man rpm

Other additional commands for RPM

-- force mandatory actions such as forced installation and deletion, etc.

-- requires shows the package's dependencies

-- nodeps ignores dependencies and continues

At this point, I believe you have a deeper understanding of "how to install and uninstall RPM packages under Linux". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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