serverping.sh: check only the server host and fix the up/down test

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

serverping.sh

@@ -5,17 +5,8 @@
 
 SERVER_IP="192.168.1.19"
 echo -e "Testing Connection...\n\n"
-nmap -sP 192.168.1.1/24 > /tmp/addresses.txt
 
-
-#grep -Fxq ""
-
-#${pingcmd} ${SERVER_IP} &>/dev/null
-
-grepcmd=$(grep -F "${SERVER_IP}" /tmp/addresses.txt)
-
-echo $grepcmd
-if [ ! ${grepcmd} ];then
+if ! nmap -sn "${SERVER_IP}" | grep -q "Host is up";then
     echo -e "\nThe server is down\n"
     notify-send "Server offline"
 else