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kernel

Check for new kernel

February 5, 2023

Checking for new kernel on multiple distros.

Redhat, Centos, Fedora, Rocky

rpm -qa kernel
yum list installed kernel

rpm -qa kernel yum list installed kernel

Arch Linux

pacman -Q | grep linux

pacman -Q | grep linux

Fedora

dnf list installed kernel

dnf list installed kernel

SUSE

rpm -qa | grep -i kernel
zypper search -i kernel

rpm -qa | grep -i kernel zypper search -i kernel

Debian, Ubuntu, Mint

dpkg --list | grep linux-image

dpkg --list | grep linux-image

Filed Under: Linux Tagged With: check, kernel

Downgrade Redhat Kernel

July 17, 2021

How to downgrade a Redhat kernel within the same release.

List kernel.

yum list kernel-3.10.0-862*
yum list kernel-3.10*

yum list kernel-3.10.0-862* yum list kernel-3.10*

Install previous kernel if missing.

yum install kernel-3.10.0-862.el7

yum install kernel-3.10.0-862.el7

Downgrade to next minor release.

yum downgrade redhat-release

yum downgrade redhat-release

Filed Under: Linux Tagged With: downgrade, kernel, minor, release, revert

Reinstall Kernel

February 9, 2021

How to reinstall the latest kernel and rebuild initramfs.

Find the latest kernel.

rpm -qa kernel
kernel-3.10.0-1160.6.1.el7.x86_64
kernel-3.10.0-1160.11.1.el7.x86_64

rpm -qa kernel kernel-3.10.0-1160.6.1.el7.x86_64 kernel-3.10.0-1160.11.1.el7.x86_64

Remove the kernel first, then reinstall.

yum remove kernel-3.10.0-1160.6.1.el7.x86_64
yum install kernel-3.10.0-1160.6.1.el7.x86_64

yum remove kernel-3.10.0-1160.6.1.el7.x86_64 yum install kernel-3.10.0-1160.6.1.el7.x86_64

Filed Under: Linux Tagged With: kernel, latest, reinstall, remove

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