Bash : Script Ping

#!/bin/bash
 
IP="8.8.8.8" # Replace with the IP address you want to ping
COUNT=1 # Number of ping attempts
 
if ping -c $COUNT $IP > /dev/null 2>&1; then
  echo "Ping to $IP was successful."
else
  echo "Ping to $IP failed."
fi

Liens

https://tecadmin.net/check-network-connectivity-using-ping-in-shell-scripts/