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From: Baoquan He <bhe@redhat.com>
To: kexec@lists.infradead.org
Subject: Is it possible to use a stream for initrd=
Date: Wed, 9 Feb 2022 17:28:42 +0800	[thread overview]
Message-ID: <YgOJSlK/0UW6rJIS@MiWiFi-R3L-srv> (raw)
In-Reply-To: <CAHfPjO-RXk4vo0noptQJ28LxTRQWGCd6yifBqGqPup_aD7h6Ug@mail.gmail.com>

On 02/09/22 at 10:16am, Tobias Powalowski wrote:
> Hi,
> I have a tmp directory with all files placed in:
> find . -mindepth 1 -printf '%P\0' | sort -z | LANG=C bsdtar --uid 0
> --gid 0 --null -cnf - -T - |\
>     LANG=C bsdtar --null -cf - --format=newc @- | zstd -T0 > /initrd.img
> 
> and this initrd.img I want to write into kexec without creating the initrd file.
> 
> kexec -l /vmlinuz-linux --initrd=/initrd.img --reuse-cmdline
>  systemctl kexec

See manpage of kexec, the EXAMPLE part:

kexec -l /boot/vmlinux  --initrd=/boot/initrd --reuse-cmdline
kexec -e



  reply	other threads:[~2022-02-09  9:28 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 15:36 Is it possible to use a stream for initrd= Tobias Powalowski
2022-02-09  3:21 ` Baoquan He
2022-02-09  9:16   ` Tobias Powalowski
2022-02-09  9:28     ` Baoquan He [this message]
2022-02-09  9:32       ` Tobias Powalowski
2022-02-15 10:27         ` Philipp Rudo
2022-02-15 10:31           ` Tobias Powalowski

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