How To Install kernel-debug on CentOS 7
Introduction
In this tutorial we learn how to install kernel-debug
on CentOS 7.
What is kernel-debug
The kernel package contains the Linux kernel (vmlinuz), the core of any Linux operating system. The kernel handles the basic functions of the operating system allocation, device input and output, etc. This variant of the kernel has numerous debugging options enabled. It should only be installed when trying to gather additional information on kernel bugs, as some of these options impact performance noticably.
We can use yum
or dnf
to install kernel-debug
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install kernel-debug.
Install kernel-debug on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install kernel-debug
using yum
by running the following command:
Install kernel-debug 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.
After updating yum database, We can install kernel-debug
using dnf
by running the following command:
How To Uninstall kernel-debug on CentOS 7
To uninstall only the kernel-debug
package we can use the following command:
References
Summary
In this tutorial we learn how to install kernel-debug
on CentOS 7 using yum
and dnf
.