[alpine buildr] unlock root, add rdnssd

alpine-rebuild-initramfs.sh

@@ -18,8 +18,8 @@ IMAGE=alpine-minirootfs-$MAJOR_VERSION.$MINOR_VERSION-x86_64.tar.gz
 RESOLVCONF=/etc/resolv.conf
 
 working_directory=$(pwd -P)
-rootfs_tmpdir=$(mktemp -d)
-#rootfs_tmpdir=alpine_${MAJOR_VERSION}-${MINOR_VERSION}-rootfs
+#rootfs_tmpdir=$(mktemp -d)
+rootfs_tmpdir=alpine_${MAJOR_VERSION}-${MINOR_VERSION}-rootfs
 
 mkdir -p ${rootfs_tmpdir}
 
@@ -39,9 +39,9 @@ sudo tar xf $IMAGE -C $rootfs_tmpdir
 # Add SSH keys
 run_root mkdir -p root/.ssh
 sudo cp $SSH_KEYS $rootfs_tmpdir/root/.ssh/authorized_keys
-run_root chown root:root root/.ssh/authorized_keys
-run_root chmod 0600 root/.ssh/authorized_keys
-run_root chmod 0700 root/.ssh
+run_root chown root:root /root/.ssh/authorized_keys
+run_root chmod 0600 /root/.ssh/authorized_keys
+run_root chmod 0700 /root/.ssh
 
 # Import local resolv.conf.
 sudo cp "$RESOLVCONF" $rootfs_tmpdir/etc/resolv.conf
@@ -50,14 +50,15 @@ sudo cp "$RESOLVCONF" $rootfs_tmpdir/etc/resolv.conf
 run_root ln -sf /sbin/init /init
 
 run_root apk update
-run_root apk add linux-lts openrc udev openssh
+run_root apk add linux-lts openrc udev openssh rdnssd
 # rdnssd
 run_root rc-update add udev
 run_root rc-update add udev-trigger
 run_root rc-update add sshd
-# run_root rc-update add rdnssd
+run_root rc-update add rdnssd
 run_root rc-update add networking
 run_root rc-update add hostname
+run_root sed -i 's/root:!::0:::::/root:::0:::::/' /etc/shadow
 
 sudo tee "$rootfs_tmpdir/etc/network/interfaces" <<EOF
 auto lo
@@ -66,7 +67,6 @@ iface lo inet loopback
 auto eth0
 iface eth0 inet6 manual
     pre-up ip link set eth0 up
-    pre-up echo 1 > /proc/sys/net/ipv6/conf/eth0/accept_ra
 EOF
 
 sudo tee "$rootfs_tmpdir/etc/hostname" <<EOF