On Sun, 2022-04-10 at 18:33 +0800, Qiyu Yan wrote:
> 在 2022-04-01星期五的 11:01 +0100，Patrick O'Callaghan写道：
> > I came across kexec(8) and wondered if anyone has used it in Fedora
> > to
> > enable rapid rebooting after a kernel update. Just curious.
> Yes, I kexec every time after a kernel update, since POST will take
> forever on a epyc system.
>
> And there is a script to load the latest kernel, you can put it
> somewhere, after a kernel update, just run the script and systemctl
> kexec, to direct load the newest kernel.
> #!/bin/bash
>
> set -x
>
> NEWEST_KERNEL_VERSION="$(
> rpm --query --queryformat='%{VERSION}-%{RELEASE}.%{ARCH}\n' kernel
> \
> | sort --version-sort --reverse \
> | head --lines=1
> )"
> kexec --load --reuse-cmdline \
> --initrd="/boot/initramfs-$NEWEST_KERNEL_VERSION.img" \
> "/boot/vmlinuz-$NEWEST_KERNEL_VERSION"
>
>
Thanks for that. I'll take a look.
poc
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
