This is valid for Ubuntu servers

MessageOfTheDay

#! /usr/bin/env bash

# Basic info
IP=`hostname -I | awk '{print $1}'`
HOSTNAME=`uname -n`
#ROOT=`df -Ph | grep xvda1 | awk '{print $4}' | tr -d '\n'`
ROOT=`df -Ph | grep vda1 | awk 'NR==1{print $4}'  | tr -d '\n'`

# System load
MEMORY1=`free -t -m | grep Total | awk '{print $3" MB";}'`
MEMORY2=`free -t -m | grep "Mem" | awk '{print $2" MB";}'`
LOAD1=`cat /proc/loadavg | awk {'print $1'}`
LOAD5=`cat /proc/loadavg | awk {'print $2'}`
LOAD15=`cat /proc/loadavg | awk {'print $3'}`
MYSQL=`ps aux | grep mysqld | awk 'NR==1{print $4}'`
APACHE=`ps aux | grep apache2 | awk 'NR==1{print $4}'`

echo "
===============================================
 - IP Address .........: $IP
 - Hostname............: $HOSTNAME
 - Disk Space..........: $ROOT remaining
===============================================
 - CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
 - Memory used.........: $MEMORY1 / $MEMORY2 (Total)
 - Swap in use.........: `free -m | tail -n 1 | awk '{print $3}'` MB
===============================================
 - MYSQL usage ........: $MYSQL MB
 - APACHE usage .......: $APACHE MB
===============================================
"