38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
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Building `rootfs.tar.gz`
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------------------------
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The root filesystem tarball is based on [Gentoo][]'s [amd64
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stage3][stage3-amd64] (which we check for a valid [GnuPG
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signature][gentoo-signatures]), copying a [minimal
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subset](rootfs-files) to the root filesytem, and adding symlinks for
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all BusyBox commands. To rebuild the tarball based on a newer stage3,
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just run:
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```
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$ touch get-stage3.sh
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$ make rootfs.tar.gz
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```
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### Getting Gentoo's Release Engineering public key
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If `make rootfs.tar.gz` gives an error like:
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```
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gpg --verify downloads/stage3-amd64-current.tar.bz2.DIGESTS.asc
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gpg: Signature made Thu 14 Jan 2016 09:00:11 PM EST using RSA key ID 2D182910
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gpg: Can't check signature: public key not found
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```
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you will need to [add the missing public key to your
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keystore][gentoo-signatures]. One way to do that is by [asking a
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keyserver][recv-keys]:
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```
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$ gpg --keyserver pool.sks-keyservers.net --recv-keys 2D182910
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```
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[Gentoo]: https://www.gentoo.org/
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[stage3-amd64]: http://distfiles.gentoo.org/releases/amd64/autobuilds/
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[gentoo-signatures]: https://www.gentoo.org/downloads/signatures/
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[recv-keys]: https://www.gnupg.org/documentation/manuals/gnupg/Operational-GPG-Commands.html
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