Yum-utils

sudo yum install -y yum-utils

Updating Subscription Management repositories.
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Dependencies resolved.
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 Package                         Architecture Version               Repository            Size
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Installing:
 yum-utils                       noarch       4.0.21-23.el8         ubi-8-baseos          76 k
Upgrading:
 dnf                             noarch       4.7.0-19.el8          ubi-8-baseos         543 k
 dnf-data                        noarch       4.7.0-19.el8          ubi-8-baseos         157 k
 elfutils-libelf                 aarch64      0.189-3.el8           ubi-8-baseos         231 k
 elfutils-libs                   aarch64      0.189-3.el8           ubi-8-baseos         292 k
 ima-evm-utils                   aarch64      1.3.2-12.el8          ubi-8-baseos          63 k
 json-c                          aarch64      0.13.1-3.el8          ubi-8-baseos          40 k
 libdnf                          aarch64      0.63.0-17.el8_9       ubi-8-baseos         628 k
 librepo                         aarch64      1.14.2-4.el8          ubi-8-baseos          88 k
 libsolv                         aarch64      0.7.20-6.el8          ubi-8-baseos         342 k
 python3-dnf                     noarch       4.7.0-19.el8          ubi-8-baseos         550 k
 python3-dnf-plugins-core        noarch       4.0.21-23.el8         ubi-8-baseos         263 k
 python3-hawkey                  aarch64      0.63.0-17.el8_9       ubi-8-baseos         109 k
 python3-libdnf                  aarch64      0.63.0-17.el8_9       ubi-8-baseos         707 k
 python3-librepo                 aarch64      1.14.2-4.el8          ubi-8-baseos          53 k
 python3-rpm                     aarch64      4.14.3-26.el8         ubi-8-baseos         156 k
 rpm                             aarch64      4.14.3-26.el8         ubi-8-baseos         544 k
 rpm-build-libs                  aarch64      4.14.3-26.el8         ubi-8-baseos         151 k
 rpm-libs                        aarch64      4.14.3-26.el8         ubi-8-baseos         329 k
 yum                             noarch       4.7.0-19.el8          ubi-8-baseos         209 k
Installing dependencies:
 dnf-plugins-core                noarch       4.0.21-23.el8         ubi-8-baseos          76 k
 libevent                        aarch64      2.1.8-5.el8           ubi-8-baseos         239 k
 libmodulemd                     aarch64      2.13.0-1.el8          ubi-8-baseos         202 k
 libzstd                         aarch64      1.4.4-1.el8           ubi-8-baseos         240 k
 python3-systemd                 aarch64      234-8.el8             ubi-8-baseos          80 k
 tpm2-tss                        aarch64      2.3.2-5.el8           ubi-8-baseos         240 k
 unbound-libs                    aarch64      1.16.2-5.el8          ubi-8-appstream      535 k
Installing weak dependencies:
 elfutils-debuginfod-client      aarch64      0.189-3.el8           ubi-8-baseos          74 k
 python3-unbound                 aarch64      1.16.2-5.el8          ubi-8-appstream      128 k

Transaction Summary
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Install  10 Packages
Upgrade  19 Packages

sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/AmazonLinux/hashicorp.repo

YUM, [ install | update | upgrade | search | repolist | list| updateinfo | utils | config-manager | /etc/yum.conf ], /etc/yum/vars/releasever