A simple bash script for monitoring the health of a bitcoin node running on raspberry pi

node_mon.sh

#!/bin/bash

x(){
echo "========================================================"
}
export -f x

node_dash(){
clear
echo -n "BITCOIN NODE INFO "
date
x
echo -n "Uptime "
uptime
x
echo -n "Memory"
free -h
x
echo -n "CPU temperature "
vcgencmd measure_temp
x
echo -n "CPU Freq (MHz)="
freq=$(vcgencmd measure_clock arm)
freq=$(echo $freq | cut -d '=' -f2)
echo $freq | awk '{print $1/1000000}'
x
echo "Disk space"
df -h ~/.bitcoin
x
echo "Bitcoin daemon activity"
top -bn1 > out.txt
egrep '(%CPU|bitcoin)' out.txt | column -t
x
echo "Node info"
bitcoin-cli -getinfo | grep -v '{' | grep -v '}' | tr -d '"' | tr -d ','
x
echo "Mempool info"
bitcoin-cli getmempoolinfo | grep -v '{' | grep -v '}' | tr -d '"' | tr -d ','
x
echo "Node log latest"
tail -5 ~/.bitcoin/debug.log
}
export -f node_dash

while true; do
  node_dash
  sleep 10
done