RPM - RedHad Package Manager is a very popular utility for uninstalling packages on Unix / Linux systems, most of we are using on CentOS, Red Hat, Fedora, etc. The "rpm command" usages are installing, removing, upgrading, querying, checking rpm packages on your system.

The following is an examples are how to use rpm packages.

Login as root user,

Installation:


How to Install ,rpm Package:

Download the rpm package and install on your system, for an example dowload the JDK .rpm package.
 
# wget "http://download.oracle.com/otn-pub/java/jdk/7u60-b19/jdk-7u60-linux-x64.rpm"

# rpm -ivh jdk-7u60-linux-x64.rpm

-i  : install a package
-v : verbose
-h: Print hash marks as the package during install  can  Use with --verbose for display.


Install without dependency:

If you know very well dependencies installed in your system ignore these dependency with --nodeps,
 
# rpm -ivh --nodeps jdk-7u60-linux-x64.rpm

Check your installed packages:
 
# rpm -q openssl
openssl-1.0.1e-30.el6.8.x86_64

 

Query :
 

 Display RPM package,


To disaplay installed rpm packages from the system.
 
# rpm -qa


glib2-2.12.3-2.fc6

mktemp-1.5-23.2.2

bzip2-libs-1.0.3-3

...


-q : specify for query operation
-a : specify for queries all installed packages


Identify at a specifc package:

To  identify and  display specific installed package,
 
# rpm -qa | grep openssl


openssl-1.0.1e-30.el6.8.x86_64

openssl-devel-1.0.1e-30.el6.8.x86_64


Package Information:

below command shows specific package information (openssl)
 
# rpm -qi openss


Name        : openssl                      Relocations: (not relocatable)

Version     : 1.0.1e                            Vendor: CentOS

Release     : 30.el6.8                      Build Date: Wednesday 01

April 2015 06:59:29 PM IST

Install Date: Wednesday 22 April 2015 08:29:29 PM IST      Build Host:

c6b9.bsys.dev.centos.org

Group       : System Environment/Libraries   Source RPM:

openssl-1.0.1e-30.el6.8.src.rpm

Size        : 4222198                          License: OpenSSL

Signature   : RSA/SHA1, Wednesday 01 April 2015 07:02:01 PM IST, Key

ID 0946fca2c105b9de

Packager    : CentOS BuildSystem

URL         : http://www.openssl.org/

Summary     : A general purpose cryptography library with TLS implementation

Description :

The OpenSSL toolkit provides support for secure communications between

machines. OpenSSL includes a certificate management tool and shared

libraries which provide various cryptographic algorithms and

protocols.


Package Information Before Installation:

Also, we can get package information before installation on your system,
 
# rpm -qip  bc-1.06-21.i386.rpm


warning: bc-1.06-21.i386.rpm: Header V3 DSA/SHA1 Signature, key ID

e8562897: NOKEY

Name        : bc                           Relocations: (not relocatable)

Version     : 1.06                              Vendor: CentOS

Release     : 21                            Build Date: Tuesday 30

January 2007 07:37:54 PM IST

Install Date: (not installed)               Build Host: builder4.centos.org

Group       : Applications/Engineering      Source RPM: bc-1.06-21.src.rpm

Size        : 187904                           License: GPL

Signature   : DSA/SHA1, Wednesday 04 April 2007 05:50:21 AM IST, Key

ID a8a447dce8562897

URL         : http://www.gnu.org/software/bc/

Summary     : GNU's bc (a numeric processing language) and dc (a calculator).

Description :

The bc package includes bc and dc. Bc is an arbitrary precision

numeric processing arithmetic language. Dc is an interactive

arbitrary precision stack based calculator, which can be used as a

text mode calculator.



Install the bc package if you need its number handling capabilities or

if you would like to use its text mode calculator.

  -i : Specify for view information about an rpm
  -p : specify a package name

How to Query documentation of Installed RPM Package:
 
​# rpm -qdf /usr/bin/openssl


/usr/share/doc/openssl-1.0.1e/CHANGES

/usr/share/doc/openssl-1.0.1e/FAQ

/usr/share/doc/openssl-1.0.1e/INSTALL

/usr/share/doc/openssl-1.0.1e/LICENSE

/usr/share/doc/openssl-1.0.1e/NEWS

/usr/share/doc/openssl-1.0.1e/README


List of package files :

The below command show list out the files without installing into the local directory folder.
 
# rpm -qlp bc-1.06-21.i386.rpm


warning: bc-1.06-21.i386.rpm: Header V3 DSA/SHA1 Signature, key ID

e8562897: NOKEY

/usr/bin/bc

/usr/bin/dc

/usr/share/doc/bc-1.06

/usr/share/doc/bc-1.06/AUTHORS

/usr/share/doc/bc-1.06/COPYING

/usr/share/doc/bc-1.06/COPYING.LIB

/usr/share/doc/bc-1.06/FAQ

/usr/share/doc/bc-1.06/NEWS

/usr/share/doc/bc-1.06/README

/usr/share/info/bc.info.gz

/usr/share/info/dc.info.gz

/usr/share/man/man1/bc.1.gz

/usr/share/man/man1/dc.1.gz


    q : specify to query the rpm file
    l  : specifiy to list the files in the package
    p : specify the package name


Shows Dependency Packages:
 
#  rpm -qRp bc-1.06-21.i386.rpm


warning: bc-1.06-21.i386.rpm: Header V3 DSA/SHA1 Signature, key ID

e8562897: NOKEY

/bin/sh

/bin/sh

/sbin/install-info

grep

libc.so.6

libc.so.6(GLIBC_2.0)

libc.so.6(GLIBC_2.1)

libc.so.6(GLIBC_2.3)

libc.so.6(GLIBC_2.3.4)

libc.so.6(GLIBC_2.4)

libreadline.so.5

libtermcap.so.2

rpmlib(CompressedFileNames) <= 3.0.4-1

rpmlib(PayloadFilesHavePrefix) <= 4.0-1

rtld(GNU_HASH)

Upgrade :


Upgrade package :

Would you like to upgrade specific package use -Uvh option,
 
# rpm -Uvh bc-1.06-21.i386.rpm
 

Uninstalling :


Remove /  Uninstalling package:

We can remove or uninstalling specific package and dependency package with -e option 
 
# rpm -e openssl-1.0.1e-30.el6.8.x86_64

How To rebuild Corrupted RPM Database
 
# cd /var/lib

# rm __db*

# rpm --rebuilddb

# rpmdb_verify Packages​