Installing Kernel 5.x on AlmaLinux 8

Hello,
In this week’s feature highlight, we look at How to Install Kernel 5.x on AlmaLinux 8

Kernel is central component of an operating system that manages operations of computer and hardware. It basically manages operations of memory and CPU time. It is core component of an operating system. Kernel acts as a bridge between applications and data processing performed at hardware level using inter-process communication and system calls.

Prerequisites

• Access to AlmaLinux command line terminal.
• Root privileges or Sudo privileges.

Enable ELRepo repository

Run the following commands to enable ELRepo repository.

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

dnf install https://www.elrepo.org/elrepo-release-8.0-2.el8.elrepo.noarch.rpm

Run the following command to display the list of packages.

dnf repolist

Output:

[root@vps ~]# dnf repolist
repo id                                        repo name
appstream                                      AlmaLinux 8 - AppStream
baseos                                         AlmaLinux 8 - BaseOS
elrepo                                         ELRepo.org Community Enterprise Linux Repository - el8
epel                                           Extra Packages for Enterprise Linux 8 - x86_64
epel-modular                                   Extra Packages for Enterprise Linux Modular 8 - x86_64
extras                                         AlmaLinux 8 - Extras

Install latest kernel version

To check the installed Kernal version.

uname -r

Output:

[root@vps ~]# uname -r
4.18.0-305.7.1.el8_4.x86_64    

Run the following command to install latest kernel version.

dnf --enablerepo=elrepo-kernel install kernel-ml

Once you install the latest kernel, you will have to reboot the server.

Reboot

Select Kernel 5.x in the Grub menu to boot to newly installed Kernel 5.x on AlmaLinux 8.

To check the installed Kernal version.

uname -r

Output:

[root@vps ~]# uname -r
5.13.0-1.el8.elrepo.x86_64