add update.motd

update.motd/60-upgrades

@@ -0,0 +1,12 @@
+#!/bin/sh
+printf "\n"
+number=`apt list --upgradable 2> /dev/null | grep 'upgradable' | wc -l`
+printf "Available updates : %s\n" $number
+
+if [ $number -gt 0 ]; then
+    printf "\033[1;31mSystem needs %s updates\033[0m\n" $number
+    apt list --upgradable 2> /dev/null | grep 'upgradable'
+else
+    printf "\033[1;32mSystem is uptodate\033[0m\n"
+fi
+echo