How To Install ignition on CentOS 7
Introduction
In this tutorial we learn how to install ignition on CentOS 7.
What is ignition
Ignition is a utility used to manipulate systems during the initramfs. This includes partitioning disks, formatting partitions, writing files (regular files, systemd units, networkd units, etc.), and configuring users. On first boot, Ignition reads its configuration from a source of truth (remote URL, network metadata service, hypervisor bridge, etc.) and applies the configuration.
We can use yum or dnf to install ignition on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install ignition.
Install ignition on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install ignition using yum by running the following command:
sudo yum -y install ignition
Install ignition on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install ignition using dnf by running the following command:
sudo dnf -y install ignition
How To Uninstall ignition on CentOS 7
To uninstall only the ignition package we can use the following command:
sudo dnf remove ignition
References
Summary
In this tutorial we learn how to install ignition on CentOS 7 using yum and dnf.