Updates and fixes

overlay/sbin/butterknife-provision

@@ -3,6 +3,19 @@
 # TODO: Make sure fdisk from busybox is NOT used, it's counting sectors incorrectly (?!)
 # TODO: Check connectivity with API server
 
+#######################################
+### Check for presence of utilities ###
+#######################################
+for util in btrfs jq fdisk find ntfsresize udp-sender udp-receiver ntpdate curl mktemp sgdisk test true sort uniq dig; do
+    if [ -z "$(which $util)" ]; then
+        echo "Butterknife was unable to locate $util," \
+            "are you sure the provisioning image was compiled properly?"
+        exit 253
+    else
+        echo "Found $util..."
+    fi
+done
+
 BUTTERKNIFE_POOL_MOUNTPOINT=/var/lib/butterknife/pool
 TARGET_MOUNTPOINT=/mnt/target