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I have installed Arch Linux base a couple times, always in USB drivers (both pen+drives and external disks) always for the purposing of managing Grub for booting multiple Linux distros and eventually Windows.
I have now gained some confidence to try installing ArchLinux for everyday use, beguinning by tryng it on a multiboot set-up. I would like to learn how to install via netboot, and after reading or two days I did my first attempt by following the links to https://wiki.archlinux.org/title/Netboot and to https://archlinux.org/releng/netboot/.
I think I understand the instructions in those pages, even if I am not sure of how a netboot works.
I want to try <ipxe-arch.lkrn> via Grub in a BIOS setup. So I downloaded ipxe-arch.lkrn.4a40eeca92fb.sig and ipxe-arch.lkrn, but so far I have not been able to verify it. I have tried using gpg from Artix but this was what I got:
:~/Downloads/ipxe-arch.lkrn$ gpg --keyserver-options auto-key-retrieve --verify ipxe-arch.lkrn.4a40eeca92fb.sig
gpg: no signed data
gpg: can't hash datafile: No data
Are there instructions somewhere for verification of ipxe-arch.lkrn ?
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$ gpg --keyserver hkps://keys.openpgp.org/ --search-keys dvzrv@archlinux.org
gpg: data source: https://keys.openpgp.org:443
(1) David Runge <dvzrv@archlinux.org>
256 bit EDDSA key 139B09DA5BF0D338, created: 2022-05-10
Keys 1-1 of 1 for "dvzrv@archlinux.org". Enter number(s), N)ext, or Q)uit > 1
gpg: key 139B09DA5BF0D338: public key "David Runge <dvzrv@archlinux.org>" imported
gpg: Total number processed: 1
gpg: imported: 1
Put the file to check at the end, when the filename cannot be guessed like in this case:
$ gpg --verify ipxe-arch.lkrn.4a40eeca92fb.sig ipxe-arch.7db2ebf431ea.lkrn
gpg: Signature made 2023-08-28T12:34:20 CEST
gpg: using EDDSA key 62CC73F884E52957B2FDD8839B7A287D9A2EC608
gpg: issuer "dvzrv@archlinux.org"
gpg: Good signature from "David Runge <dvzrv@archlinux.org>" [unknown]
gpg: WARNING: The key's User ID is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 991F 6E3F 0765 CF62 9588 8586 139B 09DA 5BF0 D338
Subkey fingerprint: 62CC 73F8 84E5 2957 B2FD D883 9B7A 287D 9A2E C608
--> Good signature from...
If you switch to arch, I recommend you make yourself familiar with the arch wiki, e.g. in this case:
https://wiki.archlinux.org/title/GnuPG# … _signature
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