++ script for debian netboot

debian-devuan-netboot.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+# Nico Schottelius, 2019-12-09
+
+if [ $# -ne 1 ]; then
+    echo $0 suite
+    echo suite is for instance ascii, beowulf, etc
+    exit 1
+fi
+
+suite=$1; shift
+
+date=$(date +%F)
+
+dir=${suite}-${date}
+kernel=${dir}-kernel
+keyurl=https://code.ungleich.ch/ungleich-public/__ungleich_staff_ssh_access/raw/master/files
+
+debootstrap "${suite}" "${dir}"
+chroot ${dir} apt install  -y openssh-server rdnssd linux-image-amd64
+
+cat > ${dir}/etc/network/interfaces << EOF
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet6 auto
+EOF
+
+mv ${dir}/boot/vmlinuz-* ${kernel}
+rm ${dir}/boot/initrd*
+mkdir -p ${dir}/root/.ssh
+
+for key in balazs dominique jinguk nico; do
+    curl -s ${keyurl}/${key}.pub >> ${dir}/root/.ssh/authorized_keys
+done
+
+# ensure there is /init in the initramfs -> otherwise there is a kernel panic
+# reason: initramfs is designed to be PRE regular os, so /init usually hands over to /sbin/init
+# in our case, they are just the same
+ln -s /sbin/init ${dir}/init
+
+( cd ${dir} ; find . | cpio -H newc -o | gzip -9 > ../${dir}-initramfs )