![]() boot/vmlinuz-4.18.0-240.22.1.el8_3.x86_64Įxecute the following command to set a default kernel for GRUB. List down the available Linux kernels in /boot directory. If the above command returns a kernel other than the latest one, then you have to set the default kernel for GRUB. You can confirm it by using following commands. Unless someone has explicitly set the default kernel to an older version. Usually the latest Linux Kernel should be active on your operating system. In this article, you will see how to remove old Linux kernels from your CentOS / RHEL 8 operating system.Ĭonnect with your Linux server as root user.Įxecute the following rpm command, to list the installed kernels on your Linux operating system. Therefore, the Kernel boot entries are limited to 3 only. ![]() In default CentOS / RHEL 8 configurations, the Yum Package Manager installs maximum 3 versions of Linux Kernel. ![]() If you updated your Linux operating system, then you have notice that, after each upgrade of Linux Kernel the GRUB menu will add a new boot entry while keeping the previous entries intact. ![]()
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