[Linux] installing software packages using rpm commands

Read the following instructions carefully and then start installing your own software package.
Http://bbs.chinaunix.net/viewthread.php? Tid = 16209 & highlight = rpm
Http://bbs.chinaunix.net/viewthread.php? Tid = 765567 & highlight = rpm

I. Installation

Command Format:

Rpm-I (or -- install) options file1.rpm... fileN. rpm

Parameters:

File1.rpm... fileN. rpm to be installedRPMPackage file name

Detailed options:

-H (or -- hash) outputs the hash mark (''#'') during installation (''#'')
-- Test only tests the installation and does not actually install it.
-- Percent: the installation progress is displayed as a percentage.
-- Excludedocs does not install the document files in the Software Package
-- Includedocs installation document
-- Replacepkgs force the installed software package to be reinstalled
-- Replacefiles: Replace the files of other software packages.
-- Force ignores conflicts between software packages and files
-- Noscripts does not run the pre-Installation and post-installation scripts
-- Prefix <path>; install the software package to the path specified by <path>;
-- Ignorearch does not validate the structure of the software package
-- Ignoreos does not check the operating system of the software package.
-- Nodeps does not check Dependencies
-- Ftpproxy -- Ftpport <port>; specifies the FTP port number as <port>;

Ii. Delete

Command Format:

Rpm-E (or -- erase) options pkg1... pkgN

Parameters

Pkg1... pkgN: package to be deleted

Detailed options

-- Test: only delete the test.
-- Noscripts does not run the pre-Installation and post-installation script programs
-- Nodeps does not check Dependencies

Iii. Upgrade

Command Format

Rpm-U (or -- upgrade) options file1.rpm... fileN. rpm

Parameters

File1.rpm... fileN. rpm package name

Detailed options

-H (or -- hash) outputs the hash mark (''#'') during installation (''#'')
-- Oldpackage allows "Upgrade" to an old version
-- Test: only test the upgrade.
-- Excludedocs does not install the document files in the Software Package
-- Includedocs installation document
-- Replacepkgs force the installed software package to be reinstalled
-- Replacefiles: Replace the files of other software packages.
-- Force ignores conflicts between software packages and files
-- Percent: the installation progress is displayed as a percentage.
-- Noscripts does not run the pre-Installation and post-installation scripts
-- Prefix <path>; install the software package to the path specified by <path>;
-- Ignorearch does not validate the structure of the software package
-- Ignoreos does not check the operating system of the software package.
-- Nodeps does not check Dependencies
-- Ftpproxy -- Ftpport <port>; specifies the FTP port number as <port>;

Iv. Query

Command Format:

Rpm-Q (or -- query) options

Parameters:

Pkg1... pkgN: Query installed software packages

Detailed options

-P <file>; (or ''-'') query the file of the software package.
-F <file>; query the <file> Software Package
-A: Query all installed software packages.
-- Whatprovides <x>; a software package that provides the <x> function for query
-G <group>; query the packages that belong to the <group> group.
-- Whatrequires <x>; query all software packages that require the <x> Function

Information options

<Null>; displays all the packages.
-I: displays the summary of the software package.
-L display the file list in the Software Package
-C: display the configuration file list
-D: display the document file list
-S: displays the file list in the package and the status of each file.
-- Scripts displays scripts for installation, uninstallation, and validation
-- Queryformat (or -- qf) displays the query information in a user-specified manner.
-- Dump: displays all verified information for each file.
-- Provides: displays the functions provided by the software package.
-- Requires (or-R) shows the functions required by the Software Package

5. Verify installed software packages

Command Format:

Rpm-V (or -- verify, or-y) options

Parameters

Pkg1... pkgN name of the software package to be verified

Package options

-P <file>; Verify against package file <file>;
-F <file>; Verify <file>; the Software Package
-A Verify: verifies all software packages.
-G <group>; verify all software packages that belong to the group <group>;

Detailed options

-- Noscripts does not run the validation script
-- Nodeps does not verify Dependencies
-- Nofiles does not verify file attributes

6. Verify the files in the Software Package

Syntax:

Rpm-K (or -- checksig) options file1.rpm... fileN. rpm

Parameters:

File1.rpm... fileN. rpm package file name

Checksig -- detailed options

-- Nopgp does not verify the PGP Signature

VII. OthersRPMOption

-- Rebuilddb ReconstructionRPMDatabase
-- Initdb creates a newRPMDatabase
-- Quiet: reduce output as much as possible
-- Help: display the help File
-- Version displayRPMCurrent version

General options

-V: display additional information
-Vv: displays debugging information.
-- Root <path>;RPMUse the path specified by <path>; as the "root directory", so that both the preinstallation program and the post-installation program will be installed in this directory.
-- Rcfile <rcfile>; set the rpmrc file to <rcfile>;
-- Dbpath <path>; SetRPMThe path of the Data Inventory is <path>;

My practices

1. view all software packages installed in the current system
# Rpm-q-
2. Check the software package containing "java" in the software package name installed in the current system.
# Rpm-q-a | grep java
3. display the description of the software package
# Rpm-q-I <package>