New Fancy MOTD

fancy_rpi_motd.md

Fancy MOTD for Raspberry Pi

Demo

Code

#!/bin/bash
# Login MOTD for Raspberry Pi
print_line () {
	for i in {0..50..1}
	do
  		printf "─"
	done
}

title="SSH: $(hostname)"
echo -e '\033]2;'$title'\007'

# tput Color Table dict
declare -A colors
colors['RED']="tput setaf 1"
colors['GREEN']="tput setaf 2"
colors['YELLOW']="tput setaf 3"
colors['BOLD']="tput bold"
colors['RESET']="tput sgr0"

# Print Hostname
${colors['YELLOW']}

if [ $(which toilet 2>/dev/null || false) ]; then
	toilet -F metal -f smmono12 $(hostname)
elif [ $(which figlet 2>/dev/null || false) ]; then
	figlet $(hostname)
	print_line
else
	echo "Hostname: $(hostname)"
fi

let upSeconds="$(/usr/bin/cut -d. -f1 /proc/uptime)"
let secs=$((${upSeconds}%60))
let mins=$((${upSeconds}/60%60))
let hours=$((${upSeconds}/3600%24))
let days=$((${upSeconds}/86400))
UPTIME=`printf "%d days, %02dh %02dm %02ds" "$days" "$hours" "$mins" "$secs"`

# get the load averages
read one five fifteen rest < /proc/loadavg
${colors['GREEN']}
echo "
`date +"%A, %e %B %Y, %r"`"
${colors['RESET']}

int ()
{
    expr ${1:-} : '[^0-9]*\([0-9]*\)' 2> /dev/null || :
}

# Temperature
TEMP=`vcgencmd measure_temp | tail -c 7` 
TEMP=${TEMP::-2} 
TEMP_STR=`int $TEMP`

# OK Temperature
if [ $TEMP_STR -lt 43 ]; then
	TEMP_STR=`echo "$(${colors['BOLD']})$(${colors['GREEN']})$TEMP oC (Cool \uf058) $(${colors['RESET']})"`
# Warm Temperature
elif [ $TEMP_STR -lt 55 ]; then
	TEMP_STR=`echo "$(${colors['BOLD']})$(${colors['YELLOW']})$TEMP oC (Warm \uf071) $(${colors['RESET']})"`
# Hot Temperature
elif [ $TEMP_STR -gt 55 ]; then
	TEMP_STR=`echo "$(${colors['BOLD']})$(${colors['RED']})$TEMP oC (Hot \uf737) $(${colors['RESET']})"`
fi

printf "
-$(${colors['BOLD']}) Uptime $(${colors['RESET']})            : ${UPTIME}
-$(${colors['BOLD']}) Temperature $(${colors['RESET']})       : ${TEMP_STR}
-$(${colors['BOLD']}) Memory $(${colors['RESET']})            : `free | grep Mem | awk '{print $3/1024}'` MB (Used) / `cat /proc/meminfo | grep MemTotal | awk {'print $2/1024'}` MB (Total)
-$(${colors['BOLD']}) Load Averages $(${colors['RESET']})     : ${one}, ${five}, ${fifteen} (1, 5, 15 min)
-$(${colors['BOLD']}) Running Processes $(${colors['RESET']}) : `ps ax | wc -l | tr -d " "`
-$(${colors['BOLD']}) LAN IP $(${colors['RESET']})            : `ifconfig eth0 | egrep -o 'inet [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'  | cut -d' ' -f2` (eth0)"
# Comment Newline if necessary
printf "\n\n"