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I've been using Booster as the default initramfs on all my Alpine-based desktop systems and haven't noticed any issue so far. As such, it should be fine to move it to community/ and thereby support an alternative initramfs in the upcoming 3.17 release.
40 lines
1.6 KiB
Text
40 lines
1.6 KiB
Text
Using Booster alongside mkinitfs
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Booster is an initramfs tool which can be used as an alternative to
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Alpine's default mkinitfs. The Alpine Booster package will automatically
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generate /boot/booster-$flavor analog to the /boot/initramfs-$flavor
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image generated by mkinitfs.
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When using extlinux, a bootloader entry for the generated Booster
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ramdisk image can be configured in /etc/update-extlinux.d/, e.g.:
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$ cat /etc/update-extlinux.d/booster
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LABEL booster
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MENU LABEL Linux lts (booster)
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LINUX vmlinuz-lts
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INITRD booster-lts
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APPEND root=/dev/sda3 rootfstype=ext4 quiet
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Additionally, Booster may need additional configuration depending on
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your setup. Refer to the booster manual page for more information. In
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both cases, after modifying the corresponding configuration files the
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package triggers (for booster and/or syslinux) need to be re-run, e.g.
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via apk fix.
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Replacing mkinitfs with Booster
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===============================
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The Booster package also provides the initramfs-generator provider. For
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this reason, mkinitfs can be replaced entirely with Booster. For this
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purpose, simply install Booster and remove mkinitfs. Afterwards,
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adjust /etc/update-extlinux.conf (or your appropriate bootloader
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configuration file) accordingly.
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Keep in mind that many existing tools (e.g. update-extlinux) require
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/boot/initramfs-$flavor to be present while Booster only creates
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/boot/booster-$flavor. For this reason, it is highly recommended
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to create an appropriate symlink as follows when removing mkinitfs
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entirely:
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# ln -s /boot/booster-$flavor /boot/initramfs-$flavor
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