How To Install gcr on CentOS 8

gcr is A library for bits of crypto UI and parsing A library for bits of crypto UI and parsing

Introduction

In this tutorial we learn how to install gcr on CentOS 8.

What is `gcr`

gcr is a library for displaying certificates, and crypto UI, accessing key stores. It also provides a viewer for crypto files on the GNOME desktop. gck is a library for accessing PKCS#11 modules like smart cards. gcr 3.28.0 1.el8 x86_64 692 k gcr-3.28.0-1.el8.src.rpm appstream A library for bits of crypto UI and parsing https LGPLv2+ gcr is a library for displaying certificates, and crypto UI, accessing key stores. It also provides a viewer for crypto files on the GNOME desktop. gck is a library for accessing PKCS#11 modules like smart cards.

We can use yum or dnf to install gcr on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install gcr.

Install gcr on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install gcr using dnf by running the following command:

sudo dnf -y install gcr

Install gcr on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install gcr using yum by running the following command:

sudo yum -y install gcr

How To Uninstall gcr on CentOS 8

To uninstall only the gcr package we can use the following command:

sudo dnf remove gcr

gcr Package Contents on CentOS 8

/usr/bin/gcr-viewer
/usr/lib/.build-id
/usr/lib/.build-id/03
/usr/lib/.build-id/03/2d69cd37f53f5e9b8b889c1e4dba032a7dfa2c
/usr/lib/.build-id/5f
/usr/lib/.build-id/5f/f50da7f3a103d0b729d1c90d12e2887fc1428b
/usr/lib/.build-id/61
/usr/lib/.build-id/61/54bf5948158a23dd8a85fa9a0c04abaca6e7ca
/usr/lib/.build-id/83
/usr/lib/.build-id/83/d4d93cb2f11dccb021edc94c5be4765d5a0782
/usr/lib/.build-id/dd
/usr/lib/.build-id/dd/b6fb2e34b3c283e1df39f7624d719981eadd53
/usr/lib/.build-id/e4
/usr/lib/.build-id/e4/e2021028b338c6037ed502c3fad7dfd87bdec9
/usr/lib/girepository-1.0
/usr/lib/girepository-1.0/Gck-1.typelib
/usr/lib/girepository-1.0/Gcr-3.typelib
/usr/lib/girepository-1.0/GcrUi-3.typelib
/usr/lib/libgck-1.so.0
/usr/lib/libgck-1.so.0.0.0
/usr/lib/libgcr-3.so.1
/usr/lib/libgcr-3.so.1.0.0
/usr/lib/libgcr-base-3.so.1
/usr/lib/libgcr-base-3.so.1.0.0
/usr/lib/libgcr-ui-3.so.1
/usr/lib/libgcr-ui-3.so.1.0.0
/usr/libexec/gcr-prompter
/usr/libexec/gcr-ssh-askpass
/usr/share/GConf
/usr/share/GConf/gsettings
/usr/share/GConf/gsettings/org.gnome.crypto.pgp.convert
/usr/share/GConf/gsettings/org.gnome.crypto.pgp_keyservers.convert
/usr/share/applications/gcr-prompter.desktop
/usr/share/applications/gcr-viewer.desktop
/usr/share/dbus-1/services/org.gnome.keyring.PrivatePrompter.service
/usr/share/dbus-1/services/org.gnome.keyring.SystemPrompter.service
/usr/share/doc/gcr
/usr/share/doc/gcr/NEWS
/usr/share/doc/gcr/README
/usr/share/glib-2.0/schemas/org.gnome.crypto.pgp.gschema.xml
/usr/share/icons/hicolor/16x16/apps/gcr-gnupg.png
/usr/share/icons/hicolor/16x16/apps/gcr-key-pair.png
/usr/share/icons/hicolor/16x16/apps/gcr-key.png
/usr/share/icons/hicolor/16x16/apps/gcr-password.png
/usr/share/icons/hicolor/16x16/apps/gcr-smart-card.png
/usr/share/icons/hicolor/22x22/apps/gcr-gnupg.png
/usr/share/icons/hicolor/22x22/apps/gcr-key-pair.png
/usr/share/icons/hicolor/22x22/apps/gcr-key.png
/usr/share/icons/hicolor/22x22/apps/gcr-password.png
/usr/share/icons/hicolor/22x22/apps/gcr-smart-card.png
/usr/share/icons/hicolor/24x24/apps/gcr-gnupg.png
/usr/share/icons/hicolor/24x24/apps/gcr-key-pair.png
/usr/share/icons/hicolor/24x24/apps/gcr-key.png
/usr/share/icons/hicolor/24x24/apps/gcr-password.png
/usr/share/icons/hicolor/24x24/apps/gcr-smart-card.png
/usr/share/icons/hicolor/256x256/apps/gcr-gnupg.png
/usr/share/icons/hicolor/256x256/apps/gcr-password.png
/usr/share/icons/hicolor/256x256/apps/gcr-smart-card.png
/usr/share/icons/hicolor/32x32/apps/gcr-gnupg.png
/usr/share/icons/hicolor/32x32/apps/gcr-key-pair.png
/usr/share/icons/hicolor/32x32/apps/gcr-key.png
/usr/share/icons/hicolor/32x32/apps/gcr-password.png
/usr/share/icons/hicolor/32x32/apps/gcr-smart-card.png
/usr/share/icons/hicolor/48x48/apps/gcr-gnupg.png
/usr/share/icons/hicolor/48x48/apps/gcr-key-pair.png
/usr/share/icons/hicolor/48x48/apps/gcr-key.png
/usr/share/icons/hicolor/48x48/apps/gcr-password.png
/usr/share/icons/hicolor/48x48/apps/gcr-smart-card.png
/usr/share/licenses/gcr
/usr/share/licenses/gcr/COPYING
/usr/share/locale/af/LC_MESSAGES/gcr.mo
/usr/share/locale/ar/LC_MESSAGES/gcr.mo
/usr/share/locale/as/LC_MESSAGES/gcr.mo
/usr/share/locale/ast/LC_MESSAGES/gcr.mo
/usr/share/locale/az/LC_MESSAGES/gcr.mo
/usr/share/locale/be/LC_MESSAGES/gcr.mo
/usr/share/locale/be@latin/LC_MESSAGES/gcr.mo
/usr/share/locale/bg/LC_MESSAGES/gcr.mo
/usr/share/locale/bn/LC_MESSAGES/gcr.mo
/usr/share/locale/bn_IN/LC_MESSAGES/gcr.mo
/usr/share/locale/bs/LC_MESSAGES/gcr.mo
/usr/share/locale/ca/LC_MESSAGES/gcr.mo
/usr/share/locale/ca@valencia/LC_MESSAGES/gcr.mo
/usr/share/locale/cs/LC_MESSAGES/gcr.mo
/usr/share/locale/cy/LC_MESSAGES/gcr.mo
/usr/share/locale/da/LC_MESSAGES/gcr.mo
/usr/share/locale/de/LC_MESSAGES/gcr.mo
/usr/share/locale/dz/LC_MESSAGES/gcr.mo
/usr/share/locale/el/LC_MESSAGES/gcr.mo
/usr/share/locale/en@shaw/LC_MESSAGES/gcr.mo
/usr/share/locale/en_CA/LC_MESSAGES/gcr.mo
/usr/share/locale/en_GB/LC_MESSAGES/gcr.mo
/usr/share/locale/eo/LC_MESSAGES/gcr.mo
/usr/share/locale/es/LC_MESSAGES/gcr.mo
/usr/share/locale/et/LC_MESSAGES/gcr.mo
/usr/share/locale/eu/LC_MESSAGES/gcr.mo
/usr/share/locale/fa/LC_MESSAGES/gcr.mo
/usr/share/locale/fi/LC_MESSAGES/gcr.mo
/usr/share/locale/fr/LC_MESSAGES/gcr.mo
/usr/share/locale/fur/LC_MESSAGES/gcr.mo
/usr/share/locale/ga/LC_MESSAGES/gcr.mo
/usr/share/locale/gl/LC_MESSAGES/gcr.mo
/usr/share/locale/gu/LC_MESSAGES/gcr.mo
/usr/share/locale/he/LC_MESSAGES/gcr.mo
/usr/share/locale/hi/LC_MESSAGES/gcr.mo
/usr/share/locale/hr/LC_MESSAGES/gcr.mo
/usr/share/locale/hu/LC_MESSAGES/gcr.mo
/usr/share/locale/id/LC_MESSAGES/gcr.mo
/usr/share/locale/is/LC_MESSAGES/gcr.mo
/usr/share/locale/it/LC_MESSAGES/gcr.mo
/usr/share/locale/ja/LC_MESSAGES/gcr.mo
/usr/share/locale/ka/LC_MESSAGES/gcr.mo
/usr/share/locale/kk/LC_MESSAGES/gcr.mo
/usr/share/locale/kn/LC_MESSAGES/gcr.mo
/usr/share/locale/ko/LC_MESSAGES/gcr.mo
/usr/share/locale/lt/LC_MESSAGES/gcr.mo
/usr/share/locale/lv/LC_MESSAGES/gcr.mo
/usr/share/locale/mai/LC_MESSAGES/gcr.mo
/usr/share/locale/mg/LC_MESSAGES/gcr.mo
/usr/share/locale/mk/LC_MESSAGES/gcr.mo
/usr/share/locale/ml/LC_MESSAGES/gcr.mo
/usr/share/locale/mn/LC_MESSAGES/gcr.mo
/usr/share/locale/mr/LC_MESSAGES/gcr.mo
/usr/share/locale/ms/LC_MESSAGES/gcr.mo
/usr/share/locale/nb/LC_MESSAGES/gcr.mo
/usr/share/locale/ne/LC_MESSAGES/gcr.mo
/usr/share/locale/nl/LC_MESSAGES/gcr.mo
/usr/share/locale/nn/LC_MESSAGES/gcr.mo
/usr/share/locale/oc/LC_MESSAGES/gcr.mo
/usr/share/locale/or/LC_MESSAGES/gcr.mo
/usr/share/locale/pa/LC_MESSAGES/gcr.mo
/usr/share/locale/pl/LC_MESSAGES/gcr.mo
/usr/share/locale/pt/LC_MESSAGES/gcr.mo
/usr/share/locale/pt_BR/LC_MESSAGES/gcr.mo
/usr/share/locale/ro/LC_MESSAGES/gcr.mo
/usr/share/locale/ru/LC_MESSAGES/gcr.mo
/usr/share/locale/rw/LC_MESSAGES/gcr.mo
/usr/share/locale/si/LC_MESSAGES/gcr.mo
/usr/share/locale/sk/LC_MESSAGES/gcr.mo
/usr/share/locale/sl/LC_MESSAGES/gcr.mo
/usr/share/locale/sq/LC_MESSAGES/gcr.mo
/usr/share/locale/sr/LC_MESSAGES/gcr.mo
/usr/share/locale/sr@latin/LC_MESSAGES/gcr.mo
/usr/share/locale/sv/LC_MESSAGES/gcr.mo
/usr/share/locale/ta/LC_MESSAGES/gcr.mo
/usr/share/locale/te/LC_MESSAGES/gcr.mo
/usr/share/locale/tg/LC_MESSAGES/gcr.mo
/usr/share/locale/th/LC_MESSAGES/gcr.mo
/usr/share/locale/tr/LC_MESSAGES/gcr.mo
/usr/share/locale/ug/LC_MESSAGES/gcr.mo
/usr/share/locale/uk/LC_MESSAGES/gcr.mo
/usr/share/locale/vi/LC_MESSAGES/gcr.mo
/usr/share/locale/xh/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_CN/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_HK/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_TW/LC_MESSAGES/gcr.mo
/usr/share/mime/packages/gcr-crypto-types.xml
/usr/bin/gcr-viewer
/usr/lib/.build-id
/usr/lib/.build-id/61
/usr/lib/.build-id/61/3b6facbf075f920b96dbfcf89155017f32e294
/usr/lib/.build-id/6e
/usr/lib/.build-id/6e/4c6a499c50594bf0a06046634495524591a856
/usr/lib/.build-id/70
/usr/lib/.build-id/70/056bccc9b763796a99c8e78ff7d35cfe013c57
/usr/lib/.build-id/df
/usr/lib/.build-id/df/e4a9b4d262c68ea5c3c2401bb7a731ae8cfc3f
/usr/lib/.build-id/f1
/usr/lib/.build-id/f1/0a95554fa93e7f6e6385a22245f1a751460f3d
/usr/lib/.build-id/f2
/usr/lib/.build-id/f2/d827044a6e5c9655cd858642133cb64370799a
/usr/lib64/girepository-1.0
/usr/lib64/girepository-1.0/Gck-1.typelib
/usr/lib64/girepository-1.0/Gcr-3.typelib
/usr/lib64/girepository-1.0/GcrUi-3.typelib
/usr/lib64/libgck-1.so.0
/usr/lib64/libgck-1.so.0.0.0
/usr/lib64/libgcr-3.so.1
/usr/lib64/libgcr-3.so.1.0.0
/usr/lib64/libgcr-base-3.so.1
/usr/lib64/libgcr-base-3.so.1.0.0
/usr/lib64/libgcr-ui-3.so.1
/usr/lib64/libgcr-ui-3.so.1.0.0
/usr/libexec/gcr-prompter
/usr/libexec/gcr-ssh-askpass
/usr/share/GConf
/usr/share/GConf/gsettings
/usr/share/GConf/gsettings/org.gnome.crypto.pgp.convert
/usr/share/GConf/gsettings/org.gnome.crypto.pgp_keyservers.convert
/usr/share/applications/gcr-prompter.desktop
/usr/share/applications/gcr-viewer.desktop
/usr/share/dbus-1/services/org.gnome.keyring.PrivatePrompter.service
/usr/share/dbus-1/services/org.gnome.keyring.SystemPrompter.service
/usr/share/doc/gcr
/usr/share/doc/gcr/NEWS
/usr/share/doc/gcr/README
/usr/share/glib-2.0/schemas/org.gnome.crypto.pgp.gschema.xml
/usr/share/icons/hicolor/16x16/apps/gcr-gnupg.png
/usr/share/icons/hicolor/16x16/apps/gcr-key-pair.png
/usr/share/icons/hicolor/16x16/apps/gcr-key.png
/usr/share/icons/hicolor/16x16/apps/gcr-password.png
/usr/share/icons/hicolor/16x16/apps/gcr-smart-card.png
/usr/share/icons/hicolor/22x22/apps/gcr-gnupg.png
/usr/share/icons/hicolor/22x22/apps/gcr-key-pair.png
/usr/share/icons/hicolor/22x22/apps/gcr-key.png
/usr/share/icons/hicolor/22x22/apps/gcr-password.png
/usr/share/icons/hicolor/22x22/apps/gcr-smart-card.png
/usr/share/icons/hicolor/24x24/apps/gcr-gnupg.png
/usr/share/icons/hicolor/24x24/apps/gcr-key-pair.png
/usr/share/icons/hicolor/24x24/apps/gcr-key.png
/usr/share/icons/hicolor/24x24/apps/gcr-password.png
/usr/share/icons/hicolor/24x24/apps/gcr-smart-card.png
/usr/share/icons/hicolor/256x256/apps/gcr-gnupg.png
/usr/share/icons/hicolor/256x256/apps/gcr-password.png
/usr/share/icons/hicolor/256x256/apps/gcr-smart-card.png
/usr/share/icons/hicolor/32x32/apps/gcr-gnupg.png
/usr/share/icons/hicolor/32x32/apps/gcr-key-pair.png
/usr/share/icons/hicolor/32x32/apps/gcr-key.png
/usr/share/icons/hicolor/32x32/apps/gcr-password.png
/usr/share/icons/hicolor/32x32/apps/gcr-smart-card.png
/usr/share/icons/hicolor/48x48/apps/gcr-gnupg.png
/usr/share/icons/hicolor/48x48/apps/gcr-key-pair.png
/usr/share/icons/hicolor/48x48/apps/gcr-key.png
/usr/share/icons/hicolor/48x48/apps/gcr-password.png
/usr/share/icons/hicolor/48x48/apps/gcr-smart-card.png
/usr/share/licenses/gcr
/usr/share/licenses/gcr/COPYING
/usr/share/locale/af/LC_MESSAGES/gcr.mo
/usr/share/locale/ar/LC_MESSAGES/gcr.mo
/usr/share/locale/as/LC_MESSAGES/gcr.mo
/usr/share/locale/ast/LC_MESSAGES/gcr.mo
/usr/share/locale/az/LC_MESSAGES/gcr.mo
/usr/share/locale/be/LC_MESSAGES/gcr.mo
/usr/share/locale/be@latin/LC_MESSAGES/gcr.mo
/usr/share/locale/bg/LC_MESSAGES/gcr.mo
/usr/share/locale/bn/LC_MESSAGES/gcr.mo
/usr/share/locale/bn_IN/LC_MESSAGES/gcr.mo
/usr/share/locale/bs/LC_MESSAGES/gcr.mo
/usr/share/locale/ca/LC_MESSAGES/gcr.mo
/usr/share/locale/ca@valencia/LC_MESSAGES/gcr.mo
/usr/share/locale/cs/LC_MESSAGES/gcr.mo
/usr/share/locale/cy/LC_MESSAGES/gcr.mo
/usr/share/locale/da/LC_MESSAGES/gcr.mo
/usr/share/locale/de/LC_MESSAGES/gcr.mo
/usr/share/locale/dz/LC_MESSAGES/gcr.mo
/usr/share/locale/el/LC_MESSAGES/gcr.mo
/usr/share/locale/en@shaw/LC_MESSAGES/gcr.mo
/usr/share/locale/en_CA/LC_MESSAGES/gcr.mo
/usr/share/locale/en_GB/LC_MESSAGES/gcr.mo
/usr/share/locale/eo/LC_MESSAGES/gcr.mo
/usr/share/locale/es/LC_MESSAGES/gcr.mo
/usr/share/locale/et/LC_MESSAGES/gcr.mo
/usr/share/locale/eu/LC_MESSAGES/gcr.mo
/usr/share/locale/fa/LC_MESSAGES/gcr.mo
/usr/share/locale/fi/LC_MESSAGES/gcr.mo
/usr/share/locale/fr/LC_MESSAGES/gcr.mo
/usr/share/locale/fur/LC_MESSAGES/gcr.mo
/usr/share/locale/ga/LC_MESSAGES/gcr.mo
/usr/share/locale/gl/LC_MESSAGES/gcr.mo
/usr/share/locale/gu/LC_MESSAGES/gcr.mo
/usr/share/locale/he/LC_MESSAGES/gcr.mo
/usr/share/locale/hi/LC_MESSAGES/gcr.mo
/usr/share/locale/hr/LC_MESSAGES/gcr.mo
/usr/share/locale/hu/LC_MESSAGES/gcr.mo
/usr/share/locale/id/LC_MESSAGES/gcr.mo
/usr/share/locale/is/LC_MESSAGES/gcr.mo
/usr/share/locale/it/LC_MESSAGES/gcr.mo
/usr/share/locale/ja/LC_MESSAGES/gcr.mo
/usr/share/locale/ka/LC_MESSAGES/gcr.mo
/usr/share/locale/kk/LC_MESSAGES/gcr.mo
/usr/share/locale/kn/LC_MESSAGES/gcr.mo
/usr/share/locale/ko/LC_MESSAGES/gcr.mo
/usr/share/locale/lt/LC_MESSAGES/gcr.mo
/usr/share/locale/lv/LC_MESSAGES/gcr.mo
/usr/share/locale/mai/LC_MESSAGES/gcr.mo
/usr/share/locale/mg/LC_MESSAGES/gcr.mo
/usr/share/locale/mk/LC_MESSAGES/gcr.mo
/usr/share/locale/ml/LC_MESSAGES/gcr.mo
/usr/share/locale/mn/LC_MESSAGES/gcr.mo
/usr/share/locale/mr/LC_MESSAGES/gcr.mo
/usr/share/locale/ms/LC_MESSAGES/gcr.mo
/usr/share/locale/nb/LC_MESSAGES/gcr.mo
/usr/share/locale/ne/LC_MESSAGES/gcr.mo
/usr/share/locale/nl/LC_MESSAGES/gcr.mo
/usr/share/locale/nn/LC_MESSAGES/gcr.mo
/usr/share/locale/oc/LC_MESSAGES/gcr.mo
/usr/share/locale/or/LC_MESSAGES/gcr.mo
/usr/share/locale/pa/LC_MESSAGES/gcr.mo
/usr/share/locale/pl/LC_MESSAGES/gcr.mo
/usr/share/locale/pt/LC_MESSAGES/gcr.mo
/usr/share/locale/pt_BR/LC_MESSAGES/gcr.mo
/usr/share/locale/ro/LC_MESSAGES/gcr.mo
/usr/share/locale/ru/LC_MESSAGES/gcr.mo
/usr/share/locale/rw/LC_MESSAGES/gcr.mo
/usr/share/locale/si/LC_MESSAGES/gcr.mo
/usr/share/locale/sk/LC_MESSAGES/gcr.mo
/usr/share/locale/sl/LC_MESSAGES/gcr.mo
/usr/share/locale/sq/LC_MESSAGES/gcr.mo
/usr/share/locale/sr/LC_MESSAGES/gcr.mo
/usr/share/locale/sr@latin/LC_MESSAGES/gcr.mo
/usr/share/locale/sv/LC_MESSAGES/gcr.mo
/usr/share/locale/ta/LC_MESSAGES/gcr.mo
/usr/share/locale/te/LC_MESSAGES/gcr.mo
/usr/share/locale/tg/LC_MESSAGES/gcr.mo
/usr/share/locale/th/LC_MESSAGES/gcr.mo
/usr/share/locale/tr/LC_MESSAGES/gcr.mo
/usr/share/locale/ug/LC_MESSAGES/gcr.mo
/usr/share/locale/uk/LC_MESSAGES/gcr.mo
/usr/share/locale/vi/LC_MESSAGES/gcr.mo
/usr/share/locale/xh/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_CN/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_HK/LC_MESSAGES/gcr.mo
/usr/share/locale/zh_TW/LC_MESSAGES/gcr.mo
/usr/share/mime/packages/gcr-crypto-types.xml

References

[gcr website](https://wiki.gnome.org/Projects/CryptoGlue https://wiki.gnome.org/Projects/CryptoGlue)

Summary

In this tutorial we learn how to install gcr on CentOS 8 using yum and dnf.