RPM Options for RedHat Fedora Centos Installs

Let's learn about RPM

RPM (RedHat Package Manager)

• Package management system used by RedHat-based Linux distros

• FOSS (Free and open-source software)

• An installation file similar to Windows' setup.exe

• The file extension is *.rpm, which is called a package

RPM File Format

name-version-release.os.architecture.rpm

• where:

  • name

    • package name

  • version

    • version of the packaged software

  • release

    • Release number of the RPM package

      • Number of times it has been modified and distributed

  • os

    • Distribution (OS) version

      • For RHEL (RedHat Enterprise Linux) including CentOS, the OS version is used in the rpm package file name

  • architecture

    • Architecture (CPU) of the RPM package

      • Refers to the CPU on which the package can be installed

• ex)

  • gedit-2.6.1-1.fc11.i586.rpm

  • mysql-connector-java-5.1.25-3.el7.noarch.rpm

RPM Commands

rpm [option] [rpm package file or rpm package name]

Query

rpm -qa
rpm -qa [package name]
rpm -qa | grep [package name]

Install

rpm -Uvh [package file]

• U option

  • Install the package, and if it is already installed, upgrade it

• v option

  • Print the installation process when installing the package

• h option

  • Display the installation progress filled with # on screen

Remove

rpm -e [package name]

• Use the erase option to remove

Check consistency of installed packages

rpm -aV --nofiles --nodigest

Remove "broken" packages

rpm -e -vv --allmatches --nodeps --noscripts --notriggers package_name