The Linux operating system kernel plays a key role in stability, performance, and security. Regular kernel updates are important to make improvements, fix vulnerabilities, and support new hardware. In this article, we will look at the process of updating the kernel on various Linux distributions.
Updating the Kernel in Ubuntu and Debian
For these Linux distributions, apt is used. To get started, you need to run the following commands:
apt update
apt upgrade
apt dist-upgrade
Then install the new kernel. This can be done like this:
apt install linux-image-generic
Confirm installation and continue
Updating the Kernel in CentOS and RHEL
Update the system with a simple command using yum
sudo yum update
Installing a new kernel is available using the following command:
yum install kernel
You also need to update the bootloader configuration using the command:
grub2-mkconfig -o /boot/grub2/grub.cfg
Then reboot the system:
reboot
Updating the Kernel in Arch Linux
This article will use Pacman. Enter the following command to confirm the steps
pacman -Syu
Is it possible to install a new kernel using the following command?
pacman -S linux
You should then update the bootloader configuration using the command
mkinitcpio -p linux
The last step is to update GRUB:
grub-mkconfig -o /boot/grub/grub.cfg
Then Reboot your system:
reboot
