How To Install microcode_ctl on Fedora 34
microcode_ctl is Tool to transform and deploy CPU microcode update for x86
Introduction
In this tutorial we learn how to install microcode_ctl on Fedora 34.
What is microcode_ctl
The microcode_ctl utility is a companion to the microcode driver written by Tigran Aivazian [email protected]. The microcode update is volatile and needs to be uploaded on each system boot i.e. it doesn’t reflash your cpu permanently, reboot and it reverts back to the old microcode.
We can use yum or dnf to install microcode_ctl on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install microcode_ctl.
Install microcode_ctl on Fedora 34 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install microcode_ctl using dnf by running the following command:
sudo dnf -y install microcode_ctl
Install microcode_ctl on Fedora 34 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install microcode_ctl using yum by running the following command:
sudo yum -y install microcode_ctl
How To Uninstall microcode_ctl on Fedora 34
To uninstall only the microcode_ctl package we can use the following command:
sudo dnf remove microcode_ctl
microcode_ctl Package Contents on Fedora 34
/lib/firmware/intel-ucode
/lib/firmware/intel-ucode/06-03-02
/lib/firmware/intel-ucode/06-05-00
/lib/firmware/intel-ucode/06-05-01
/lib/firmware/intel-ucode/06-05-02
/lib/firmware/intel-ucode/06-05-03
/lib/firmware/intel-ucode/06-06-00
/lib/firmware/intel-ucode/06-06-05
/lib/firmware/intel-ucode/06-06-0a
/lib/firmware/intel-ucode/06-06-0d
/lib/firmware/intel-ucode/06-07-01
/lib/firmware/intel-ucode/06-07-02
/lib/firmware/intel-ucode/06-07-03
/lib/firmware/intel-ucode/06-08-01
/lib/firmware/intel-ucode/06-08-03
/lib/firmware/intel-ucode/06-08-06
/lib/firmware/intel-ucode/06-08-0a
/lib/firmware/intel-ucode/06-09-05
/lib/firmware/intel-ucode/06-0a-00
/lib/firmware/intel-ucode/06-0a-01
/lib/firmware/intel-ucode/06-0b-01
/lib/firmware/intel-ucode/06-0b-04
/lib/firmware/intel-ucode/06-0d-06
/lib/firmware/intel-ucode/06-0e-08
/lib/firmware/intel-ucode/06-0e-0c
/lib/firmware/intel-ucode/06-0f-02
/lib/firmware/intel-ucode/06-0f-06
/lib/firmware/intel-ucode/06-0f-07
/lib/firmware/intel-ucode/06-0f-0a
/lib/firmware/intel-ucode/06-0f-0b
/lib/firmware/intel-ucode/06-0f-0d
/lib/firmware/intel-ucode/06-16-01
/lib/firmware/intel-ucode/06-17-06
/lib/firmware/intel-ucode/06-17-07
/lib/firmware/intel-ucode/06-17-0a
/lib/firmware/intel-ucode/06-1a-04
/lib/firmware/intel-ucode/06-1a-05
/lib/firmware/intel-ucode/06-1c-02
/lib/firmware/intel-ucode/06-1c-0a
/lib/firmware/intel-ucode/06-1d-01
/lib/firmware/intel-ucode/06-1e-05
/lib/firmware/intel-ucode/06-25-02
/lib/firmware/intel-ucode/06-25-05
/lib/firmware/intel-ucode/06-26-01
/lib/firmware/intel-ucode/06-2a-07
/lib/firmware/intel-ucode/06-2c-02
/lib/firmware/intel-ucode/06-2d-06
/lib/firmware/intel-ucode/06-2d-07
/lib/firmware/intel-ucode/06-2e-06
/lib/firmware/intel-ucode/06-2f-02
/lib/firmware/intel-ucode/06-37-08
/lib/firmware/intel-ucode/06-37-09
/lib/firmware/intel-ucode/06-3a-09
/lib/firmware/intel-ucode/06-3c-03
/lib/firmware/intel-ucode/06-3d-04
/lib/firmware/intel-ucode/06-3e-04
/lib/firmware/intel-ucode/06-3e-06
/lib/firmware/intel-ucode/06-3e-07
/lib/firmware/intel-ucode/06-3f-02
/lib/firmware/intel-ucode/06-3f-04
/lib/firmware/intel-ucode/06-45-01
/lib/firmware/intel-ucode/06-46-01
/lib/firmware/intel-ucode/06-47-01
/lib/firmware/intel-ucode/06-4c-03
/lib/firmware/intel-ucode/06-4c-04
/lib/firmware/intel-ucode/06-4d-08
/lib/firmware/intel-ucode/06-4e-03
/lib/firmware/intel-ucode/06-4f-01
/lib/firmware/intel-ucode/06-55-03
/lib/firmware/intel-ucode/06-55-04
/lib/firmware/intel-ucode/06-55-05
/lib/firmware/intel-ucode/06-55-06
/lib/firmware/intel-ucode/06-55-07
/lib/firmware/intel-ucode/06-55-0b
/lib/firmware/intel-ucode/06-56-02
/lib/firmware/intel-ucode/06-56-03
/lib/firmware/intel-ucode/06-56-04
/lib/firmware/intel-ucode/06-56-05
/lib/firmware/intel-ucode/06-5c-02
/lib/firmware/intel-ucode/06-5c-09
/lib/firmware/intel-ucode/06-5c-0a
/lib/firmware/intel-ucode/06-5e-03
/lib/firmware/intel-ucode/06-5f-01
/lib/firmware/intel-ucode/06-66-03
/lib/firmware/intel-ucode/06-6a-05
/lib/firmware/intel-ucode/06-6a-06
/lib/firmware/intel-ucode/06-7a-01
/lib/firmware/intel-ucode/06-7a-08
/lib/firmware/intel-ucode/06-7e-05
/lib/firmware/intel-ucode/06-86-04
/lib/firmware/intel-ucode/06-86-05
/lib/firmware/intel-ucode/06-8a-01
/lib/firmware/intel-ucode/06-8c-01
/lib/firmware/intel-ucode/06-8c-02
/lib/firmware/intel-ucode/06-8d-01
/lib/firmware/intel-ucode/06-8e-09
/lib/firmware/intel-ucode/06-8e-0a
/lib/firmware/intel-ucode/06-8e-0b
/lib/firmware/intel-ucode/06-8e-0c
/lib/firmware/intel-ucode/06-96-01
/lib/firmware/intel-ucode/06-9c-00
/lib/firmware/intel-ucode/06-9e-09
/lib/firmware/intel-ucode/06-9e-0a
/lib/firmware/intel-ucode/06-9e-0b
/lib/firmware/intel-ucode/06-9e-0c
/lib/firmware/intel-ucode/06-9e-0d
/lib/firmware/intel-ucode/06-a5-02
/lib/firmware/intel-ucode/06-a5-03
/lib/firmware/intel-ucode/06-a5-05
/lib/firmware/intel-ucode/06-a6-00
/lib/firmware/intel-ucode/06-a6-01
/lib/firmware/intel-ucode/06-a7-01
/lib/firmware/intel-ucode/0f-00-07
/lib/firmware/intel-ucode/0f-00-0a
/lib/firmware/intel-ucode/0f-01-02
/lib/firmware/intel-ucode/0f-02-04
/lib/firmware/intel-ucode/0f-02-05
/lib/firmware/intel-ucode/0f-02-06
/lib/firmware/intel-ucode/0f-02-07
/lib/firmware/intel-ucode/0f-02-09
/lib/firmware/intel-ucode/0f-03-02
/lib/firmware/intel-ucode/0f-03-03
/lib/firmware/intel-ucode/0f-03-04
/lib/firmware/intel-ucode/0f-04-01
/lib/firmware/intel-ucode/0f-04-03
/lib/firmware/intel-ucode/0f-04-04
/lib/firmware/intel-ucode/0f-04-07
/lib/firmware/intel-ucode/0f-04-08
/lib/firmware/intel-ucode/0f-04-09
/lib/firmware/intel-ucode/0f-04-0a
/lib/firmware/intel-ucode/0f-06-02
/lib/firmware/intel-ucode/0f-06-04
/lib/firmware/intel-ucode/0f-06-05
/lib/firmware/intel-ucode/0f-06-08
/usr/share/doc/microcode_ctl/README
/lib/firmware/intel-ucode
/lib/firmware/intel-ucode/06-03-02
/lib/firmware/intel-ucode/06-05-00
/lib/firmware/intel-ucode/06-05-01
/lib/firmware/intel-ucode/06-05-02
/lib/firmware/intel-ucode/06-05-03
/lib/firmware/intel-ucode/06-06-00
/lib/firmware/intel-ucode/06-06-05
/lib/firmware/intel-ucode/06-06-0a
/lib/firmware/intel-ucode/06-06-0d
/lib/firmware/intel-ucode/06-07-01
/lib/firmware/intel-ucode/06-07-02
/lib/firmware/intel-ucode/06-07-03
/lib/firmware/intel-ucode/06-08-01
/lib/firmware/intel-ucode/06-08-03
/lib/firmware/intel-ucode/06-08-06
/lib/firmware/intel-ucode/06-08-0a
/lib/firmware/intel-ucode/06-09-05
/lib/firmware/intel-ucode/06-0a-00
/lib/firmware/intel-ucode/06-0a-01
/lib/firmware/intel-ucode/06-0b-01
/lib/firmware/intel-ucode/06-0b-04
/lib/firmware/intel-ucode/06-0d-06
/lib/firmware/intel-ucode/06-0e-08
/lib/firmware/intel-ucode/06-0e-0c
/lib/firmware/intel-ucode/06-0f-02
/lib/firmware/intel-ucode/06-0f-06
/lib/firmware/intel-ucode/06-0f-07
/lib/firmware/intel-ucode/06-0f-0a
/lib/firmware/intel-ucode/06-0f-0b
/lib/firmware/intel-ucode/06-0f-0d
/lib/firmware/intel-ucode/06-16-01
/lib/firmware/intel-ucode/06-17-06
/lib/firmware/intel-ucode/06-17-07
/lib/firmware/intel-ucode/06-17-0a
/lib/firmware/intel-ucode/06-1a-04
/lib/firmware/intel-ucode/06-1a-05
/lib/firmware/intel-ucode/06-1c-02
/lib/firmware/intel-ucode/06-1c-0a
/lib/firmware/intel-ucode/06-1d-01
/lib/firmware/intel-ucode/06-1e-05
/lib/firmware/intel-ucode/06-25-02
/lib/firmware/intel-ucode/06-25-05
/lib/firmware/intel-ucode/06-26-01
/lib/firmware/intel-ucode/06-2a-07
/lib/firmware/intel-ucode/06-2c-02
/lib/firmware/intel-ucode/06-2d-06
/lib/firmware/intel-ucode/06-2d-07
/lib/firmware/intel-ucode/06-2e-06
/lib/firmware/intel-ucode/06-2f-02
/lib/firmware/intel-ucode/06-37-08
/lib/firmware/intel-ucode/06-37-09
/lib/firmware/intel-ucode/06-3a-09
/lib/firmware/intel-ucode/06-3c-03
/lib/firmware/intel-ucode/06-3d-04
/lib/firmware/intel-ucode/06-3e-04
/lib/firmware/intel-ucode/06-3e-06
/lib/firmware/intel-ucode/06-3e-07
/lib/firmware/intel-ucode/06-3f-02
/lib/firmware/intel-ucode/06-3f-04
/lib/firmware/intel-ucode/06-45-01
/lib/firmware/intel-ucode/06-46-01
/lib/firmware/intel-ucode/06-47-01
/lib/firmware/intel-ucode/06-4c-03
/lib/firmware/intel-ucode/06-4c-04
/lib/firmware/intel-ucode/06-4d-08
/lib/firmware/intel-ucode/06-4e-03
/lib/firmware/intel-ucode/06-4f-01
/lib/firmware/intel-ucode/06-55-03
/lib/firmware/intel-ucode/06-55-04
/lib/firmware/intel-ucode/06-55-06
/lib/firmware/intel-ucode/06-55-07
/lib/firmware/intel-ucode/06-55-0b
/lib/firmware/intel-ucode/06-56-02
/lib/firmware/intel-ucode/06-56-03
/lib/firmware/intel-ucode/06-56-04
/lib/firmware/intel-ucode/06-56-05
/lib/firmware/intel-ucode/06-5c-02
/lib/firmware/intel-ucode/06-5c-09
/lib/firmware/intel-ucode/06-5c-0a
/lib/firmware/intel-ucode/06-5e-03
/lib/firmware/intel-ucode/06-5f-01
/lib/firmware/intel-ucode/06-66-03
/lib/firmware/intel-ucode/06-7a-01
/lib/firmware/intel-ucode/06-7a-08
/lib/firmware/intel-ucode/06-7e-05
/lib/firmware/intel-ucode/06-8a-01
/lib/firmware/intel-ucode/06-8e-09
/lib/firmware/intel-ucode/06-8e-0a
/lib/firmware/intel-ucode/06-8e-0b
/lib/firmware/intel-ucode/06-8e-0c
/lib/firmware/intel-ucode/06-9e-09
/lib/firmware/intel-ucode/06-9e-0a
/lib/firmware/intel-ucode/06-9e-0b
/lib/firmware/intel-ucode/06-9e-0c
/lib/firmware/intel-ucode/06-9e-0d
/lib/firmware/intel-ucode/06-a5-02
/lib/firmware/intel-ucode/06-a5-03
/lib/firmware/intel-ucode/06-a5-05
/lib/firmware/intel-ucode/06-a6-00
/lib/firmware/intel-ucode/06-a6-01
/lib/firmware/intel-ucode/0f-00-07
/lib/firmware/intel-ucode/0f-00-0a
/lib/firmware/intel-ucode/0f-01-02
/lib/firmware/intel-ucode/0f-02-04
/lib/firmware/intel-ucode/0f-02-05
/lib/firmware/intel-ucode/0f-02-06
/lib/firmware/intel-ucode/0f-02-07
/lib/firmware/intel-ucode/0f-02-09
/lib/firmware/intel-ucode/0f-03-02
/lib/firmware/intel-ucode/0f-03-03
/lib/firmware/intel-ucode/0f-03-04
/lib/firmware/intel-ucode/0f-04-01
/lib/firmware/intel-ucode/0f-04-03
/lib/firmware/intel-ucode/0f-04-04
/lib/firmware/intel-ucode/0f-04-07
/lib/firmware/intel-ucode/0f-04-08
/lib/firmware/intel-ucode/0f-04-09
/lib/firmware/intel-ucode/0f-04-0a
/lib/firmware/intel-ucode/0f-06-02
/lib/firmware/intel-ucode/0f-06-04
/lib/firmware/intel-ucode/0f-06-05
/lib/firmware/intel-ucode/0f-06-08
/usr/share/doc/microcode_ctl/README
References
Summary
In this tutorial we learn how to install microcode_ctl on Fedora 34 using yum and dnf.
