++ script for building alpine initramfs + kernel

build-alpine-chroot.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+# Nico Schottelius, 2019-09-27
+# Objective: create an initramfs + kernel
+# that is netbootable
+
+pkg="alpine-base"
+chroot=/chroot
+
+apk -X https://nl.alpinelinux.org/alpine/edge/main -U --allow-untrusted --
+root $chroot --initdb add $pkg
+
+cd $chroot
+
+# For initramfs
+ln -s sbin/init init
+
+# enabling base services
+for svc in devfs dmesg mdev; do
+    chroot $chroot rc-update add $svc sysinit
+done