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List All Installed Packages in RHEL and CentOS

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.
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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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