How To Install cockpit-composer on CentOS 8
Introduction
In this tutorial we learn how to install cockpit-composer on CentOS 8.
What is cockpit-composer
Composer generates custom images suitable for deploying systems or uploading to the cloud. It integrates into Cockpit as a frontend for osbuild.
We can use yum or dnf to install cockpit-composer on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install cockpit-composer.
Install cockpit-composer 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 cockpit-composer using dnf by running the following command:
sudo dnf -y install cockpit-composer
Install cockpit-composer 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 cockpit-composer using yum by running the following command:
sudo yum -y install cockpit-composer
How To Uninstall cockpit-composer on CentOS 8
To uninstall only the cockpit-composer package we can use the following command:
sudo dnf remove cockpit-composer
cockpit-composer Package Contents on CentOS 8
/usr/share/cockpit/composer
/usr/share/cockpit/composer/index.html
/usr/share/cockpit/composer/main.css
/usr/share/cockpit/composer/main.css.map
/usr/share/cockpit/composer/main.js
/usr/share/cockpit/composer/main.js.map
/usr/share/cockpit/composer/manifest.json
/usr/share/doc/cockpit-composer
/usr/share/doc/cockpit-composer/README.md
/usr/share/licenses/cockpit-composer
/usr/share/licenses/cockpit-composer/LICENSE.txt
/usr/share/metainfo/io.weldr.cockpit-composer.metainfo.xml
References
Summary
In this tutorial we learn how to install cockpit-composer on CentOS 8 using yum and dnf.