CPU & RAM usage popup | Create a shortcut to call this script

cpu-ram-usage-xmessage.sh

#!/bin/bash

# Capture CPU usage
cpu_usage=$(top -bn2 | grep '%Cpu' | tail -1 | grep -P '(....|...) id,' | awk '{print 100-$8}')

# Capture memory usage
memory_usage=$(free -m | grep 'Mem:' | awk '{ print $3/$2*100 }')

# Display CPU and memory usage in a popup message using xmessage
echo -e "System Usage \nCPU Usage: $cpu_usage% \nMemory Usage: $memory_usage%"
echo -e "CPU Usage: $cpu_usage \nMemory Usage: $memory_usage%" | xmessage -center  -title "System Usage" -file -