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List All Installed Packages in RHEL and CentOS

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Introduction

Hi guys, In this small article, we will show you how to list all installed rpm packages on CentOS and RHEL.

List all installed packages using RPM package manager:

RPM Package Manager (RPM) (originally Red Hat Package Manager, now a recursive acronym) is a free and open-sourcepackage management system. The name RPM refers to .rpmfile format and the package manager program itself. RPM was intended primarily for Linux distributions; the file format is the baseline package format of the Linux Standard Base.

  • The command below will list of all installed packages on your Linux system.
rpm -qa

the flag q : query

the flag a : all

  • Also you can list the latest installed package.
rpm -qa --last | head

using YUM package manager:

YUM (Yellowdog Updater Modified) is an open-source command-line as well as graphical-based package management tool for RPM (RedHat Package Manager) based Linux systems.

  • Use the yum command to list all installed packages on your system.
yum list installed
the installed packages in RHEL
the installed packages in RHEL

As shown above , the command includes the repository from which a package was installed

List all installed packages using YUM-UTILS:

Yum-utils is a collection of tools and programs for managing yum repositories, installing debug packages, source packages, extended information from repositories and administration.

  • Install yum-utils with the commands below:
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yum update 
yum install yum-utils
  • Then use repoquery command to list all installed packages on your system as shown below.
repoquery -a --installed

That’s it..Thanks

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