How to Install and Uninstall microcode_ctl.x86_64 Package on CentOS 8 / RHEL 8

Last updated: May 02,2024

1. Install "microcode_ctl.x86_64" package

This tutorial shows how to install microcode_ctl.x86_64 on CentOS 8 / RHEL 8

$ sudo dnf update $ sudo dnf install microcode_ctl.x86_64

2. Uninstall "microcode_ctl.x86_64" package

This guide covers the steps necessary to uninstall microcode_ctl.x86_64 on CentOS 8 / RHEL 8:

$ sudo dnf remove microcode_ctl.x86_64 $ sudo dnf autoremove

3. Information about the microcode_ctl.x86_64 package on CentOS 8 / RHEL 8

Last metadata expiration check: 1 day, 6:06:55 ago on Sun May 9 13:03:46 2021.
Available Packages
Name : microcode_ctl
Epoch : 4
Version : 20200609
Release : 2.20210216.1.el8_3
Architecture : x86_64
Size : 4.6 M
Source : microcode_ctl-20200609-2.20210216.1.el8_3.src.rpm
Repository : baseos
Summary : CPU microcode updates for Intel x86 processors
URL : https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files
License : CC0 and Redistributable, no modification permitted
Description : This package provides microcode update files for Intel x86 and x86_64 CPUs.
:
: The microcode update is volatile and needs to be uploaded on each system
: boot i.e. it isn't stored on a CPU permanently; reboot and it reverts
: back to the old microcode.
:
: Package name "microcode_ctl" is historical, as the binary with the same name
: is no longer used for microcode upload and, as a result, no longer provided.