On Wed, 8 Dec 2021 at 12:01, <bradb...@seanet.com> wrote: > I have have installed > sudo dnf install kernel-5.15.6-200.fc35 > and it completes without error. >
Where did you see instructions to do this? > > The problem is that I do not see the new kernel as an option during system > boot. > This is the expected result from the above command. Installing a new kernel needs a bunch of steps (see below) so is not as simple as you appear to think. > > When I execute the command > ls /boot | grep '^vm' > I see > vmlinuz-5.14.10-300.fc35.x86_64 > but I do not see an entry for kernel-5.16.6. > Check "dnf info kernel-5.15.6-200.fc35". If it shows under the heading "Installed Packages", then "rpm -qil kernel-5.15.6-200.fc35". You should get Name : kernel Version : 5.15.6 Release : 200.fc35 Architecture: x86_64 Install Date: Tue 07 Dec 2021 05:50:18 PM Group : Unspecified Size : 0 License : GPLv2 and Redistributable, no modification permitted Signature : RSA/SHA256, Wed 01 Dec 2021 01:30:01 PM, Key ID db4639719867c58f Source RPM : kernel-5.15.6-200.fc35.src.rpm Build Date : Wed 01 Dec 2021 09:22:23 AM Build Host : bkernel01.iad2.fedoraproject.org Packager : Fedora Project Vendor : Fedora Project URL : https://www.kernel.org/ Bug URL : https://bugz.fedoraproject.org/kernel Summary : The Linux kernel Description : The kernel meta package (contains no files) https://fedoraproject.org/wiki/GRUB_2#Instructions_for_UEFI-based_systems > I have tried uninstalling and reinstalling the new kernel, but that has > not fixed the problem. > > What should I do to get the option to boot the new kernel ? > The easy way is to use "dnf update". The hard way is https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/kernel-module-driver-configuration/Manually_Upgrading_the_Kernel/ (may be outdated, so make sure you understand each command and that the usage agrees with current manual pages). I think Fedora 35 should use grubby, not grub2-mkconfig for UEFI systems. See: https://fedoraproject.org/wiki/GRUB_2#Instructions_for_UEFI-based_systems. -- George N. White III
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