add notes, add sleep for alpine installer

alpine-install-on-disk.sh

@@ -61,6 +61,7 @@ case "$BOOT_VIA" in
 label: dos
 ,,L
 EOF
+        sleep 10
         sudo hdparm -z $DISK
         # For creation, if an existing filesystem is on the partitions
         sudo mkfs.ext4 -F ${partition1}

openwrt/openwrt-add-ipv4-vpn.sh

@@ -9,6 +9,8 @@ if [ $# -lt 2 ]; then
     echo "    host: where to find the OpenWRT device"
     echo "    ipv4-address: which ipv4 address to use"
     echo "    private-key: Use this wireguard key instead of generating one"
+    echo ""
+    echo "f.i.: $0 2a0a:e5c1:6XX:cafe::42 185.155.a.b"
     exit 1
 fi