Change message of the day

templates/etc/update-motd.d/06-disk-usage

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+source /etc/update-motd.d/colors.txt
+
+AVAIL="$(df --output=avail -h / | tail -1 | xargs)"
+USED="$(df --output=used -h / | tail -1 | xargs)"
+TOTAL="$(df --output=size -h / | tail -1 | xargs)"
+
+echo -e " ${TITLE_COLOR}Disk................:${NC} Used: ${TEXT_COLOR}$(echo $USED | sed s/[A-Z]*//g)${NC} $(echo $USED | sed s/[^a-zA-Z]*//g)B | Free: ${TEXT_COLOR}$(echo $AVAIL | sed s/[A-Z]*//g)${NC} $(echo $AVAIL | sed s/[^a-zA-Z]*//g)B | Total: ${TEXT_COLOR}$(echo $TOTAL | sed s/[A-Z]*//g)${NC} $(echo $TOTAL | sed s/[^a-zA-Z]*//g)B"