How To Install kexec-tools on CentOS 7
Introduction
In this tutorial we learn how to install kexec-tools on CentOS 7.
What is kexec-tools
kexec-tools provides /sbin/kexec binary that facilitates a new kernel to boot using the kernel’s kexec feature either on a normal or a panic reboot. This package contains the /sbin/kexec binary and ancillary utilities that together form the userspace component of the kernel’s kexec feature.
We can use yum or dnf to install kexec-tools on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install kexec-tools.
Install kexec-tools on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install kexec-tools using yum by running the following command:
sudo yum -y install kexec-tools
Install kexec-tools 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 kexec-tools using dnf by running the following command:
sudo dnf -y install kexec-tools
How To Uninstall kexec-tools on CentOS 7
To uninstall only the kexec-tools package we can use the following command:
sudo dnf remove kexec-tools
References
Summary
In this tutorial we learn how to install kexec-tools on CentOS 7 using yum and dnf.
