This is a project I’ve been working on lately. Build Clear Linux kernel for Fedora users. All Clear Linux patches and almost full kernel config are working currently. Only minor changes to get modprobe, hostname, fbdev, etc. working on Fedora. This is currently still at testing stage and not recommend on any production environment(s). Also remember backup all important data!
I have run several tests mainly using Phoronix Test Suite to see if there is any speed difference between original Fedora kernel and Clear Linux kernel on Fedora. And yes, there are differences. Of course hardware support might be more limited than original Fedora kernel and SELINUX is disabled totally. All tests have been performed SELINUX disabled to see real speed difference. I will publish later comparison video.
If you are looking Intel optimized kernel for Fedora Desktop PC or laptop, then this might be for you.
Check video version of guide, howto install inttf-kernel on Fedora:
It’s also good to note that I have also another Fedora 36 kernel build, which only disable simpledrm and re-enable fbdev to help NVIDIA users. It’s easy to recognise from file names (Fedora 6xx and Clear Linux 7xx):
inttf – Clear Linux kernels | inttf – Fedora kernels |
kernel-5.17.6-703.inttf.fc36.x86_64.rpm | kernel-5.17.6-601.inttf.fc36.x86_64.rpm |
kernel-5.17.9-705.inttf.fc36.x86_64.rpm | kernel-5.17.8-602.inttf.fc36.x86_64.rpm |
Download inttf kernel src.rpm(s).
Howto Install
1. Change root user
su -
## OR ##
sudo -i
2. Disable kernel updates from [fedora] and [updates] repos
Edit /etc/yum.repos.d/fedora.repo file. Add exclude=kernel*
[fedora]
name=Fedora $releasever - $basearch
...
exclude=kernel*
Edit /etc/yum.repos.d/fedora-updates.repo file. Add exclude=kernel*
[updates]
name=Fedora $releasever - $basearch
...
exclude=kernel*
3. Allow some extra kernels to be installed
Edit /etc/dnf/dnf.conf file. Change installonly_limit=x, example:
[main]
gpgcheck=1
installonly_limit=8
...
4. Disable SELinux
You can enable this later, if you want it back.
4.1 Edit /etc/default/grub
Append ‘selinux=0’ to end of ‘GRUB_CMDLINE_LINUX=”…”‘. Example:
GRUB_CMDLINE_LINUX="rhgb quiet rd.driver.blacklist=nouveau nvidia-drm.modeset=1 selinux=0"
4.2 Update grub2 conf
grub2-mkconfig -o /boot/grub2/grub.cfg
5. Enable inttf kernel repo
wget -O /etc/yum.repos.d/inttf-kernel.repo https://rpms.if-not-true-then-false.com/inttf-kernel.repo
Note: if you have inttf.repo active, this is different repo and should work normally together, but if needed you can also disable inttf.repo (kernel updates).
6. Install inttf-kernel packages
Normally dnf update works
dnf update
Last metadata expiration check: 0:01:44 ago on Mon 23 May 2022 03:48:01 AM EDT.
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
kernel x86_64 5.17.9-705.inttf.fc36 inttf-kernel 163 k
kernel-core x86_64 5.17.9-705.inttf.fc36 inttf-kernel 37 M
kernel-devel x86_64 5.17.9-705.inttf.fc36 inttf-kernel 15 M
kernel-modules x86_64 5.17.9-705.inttf.fc36 inttf-kernel 46 M
kernel-modules-extra x86_64 5.17.9-705.inttf.fc36 inttf-kernel 1.6 M
Removing:
kernel x86_64 5.17.5-602.inttf.fc36 @inttf 0
kernel-core x86_64 5.17.5-602.inttf.fc36 @inttf 88 M
kernel-devel x86_64 5.17.5-602.inttf.fc36 @inttf 62 M
kernel-modules x86_64 5.17.5-602.inttf.fc36 @inttf 53 M
kernel-modules-extra x86_64 5.17.5-602.inttf.fc36 @inttf 3.2 M
Transaction Summary
================================================================================
Install 5 Packages
Remove 5 Packages
Total download size: 100 M
Is this ok [y/N]
Sometimes you might have newer kernel installed already, because this follows Clear Linux kernel release cycle. If you can’t see 7xx inttf kernel on installing section, then try following command (yes, it’s a one-liner):
dnf install --skip-broken $(for i in $(dnf repoquery --installed kernel\* --qf '%{name}'); do echo $i-$(dnf --quiet --disablerepo=* --enablerepo=inttf-kernel repoquery --queryformat '%{version}-%{release}' kernel |sort -V |tail -1); done)
7. Reboot
reboot
Latest installed kernel should be selected automatically. You can always boot using another kernel or reinstall needed kernel(s).
8. Problems?
If you have any problems, then drop a comment here or Youtube.
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